00 0000 361 00 00 4 Fassmer release hook

Operator’s Handbook for

Fassmer Release hooks

Type Duplex

00.0000-361.00.00.4

Fr. Fassmer GmbH & Co. KG

Industriestr. 2

D - 27804 Berne / Germany

Phone: +49 (0)4406 942-0 Fax: +49 (0)4406 942-100

Email: info@fassmer.de

Internet: www.fassmer.de

Art. no. 676511

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Contents Page

1. Introduction ................................................................................... 3

2. Brief description + scheme of release gear ................................... 4

3. Operation ...................................................................................... 8

3.1 Operation and releasing ............................................................ 8

3.1.1 Normal release ................................................................... 8

3.1.2 Emergency release ............................................................. 8

3.2 Preparation for recovery ......................................................... 10

3.3 Harbour safety pin .................................................................. 11

3.4 Maintenance / hanging off pendant attachment points ............ 11

4. Periodic servicing and inspection by crew ................................... 14

4.1 Weekly ................................................................................... 15

4.2 3-monthly ................................................................................ 16

5. Periodic servicing, inspection, overhaul and testing ................... 17

by Fassmer-certified service engineer

5.1 annual thorough examination .................................................. 17

5.2 overhaul and overload test every 5 years ................................ 20

6. Log for records of inspection and maintenance .......................... 23

7. Trouble shooting ......................................................................... 23

8. Disassembly instruction .............................................................. 26

9. Onboard installation .................................................................... 26

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

1. Introduction

Safety

Summary

Caution – Potentially Fatal!

If the following release hook operating instructions are not correctly observed, or
the system is operated by a person not familiar with the system, there is a danger
of unintentional release, and the boat could drop from the complete lifting height.
As a result, injury or death of persons on board could occur or the boat could be
rendered unusable.

not

enter or lower the lifeboat before checking the correct position of
the release hooks, release bolts and the release handle!

not

perform any maintenance to the release gear whilst the hooks are
under load!

not

weld in the davit area when the boat is hanging in the davits (refer
to chapter 9).

Never

operate the release handle with excessive force!

Never

override the hydrostatic interlock unless absolutely necessary!

Always

ensure that the boat is in the water before release!

Note:

All described release gear equipment and corresponding reference
numbers (e.g. “release handle (2)”) refer to the “Scheme of
release gear” in chapter 2 resp. to drawings and part list in the
SEPARATE Service-engineer manual (ONLY for certified hook
service engineers).

Familiarisation with this manual is an integral part of this training. It is valid for
the following release hooks:

Duplex 2.5

Duplex 5.0

Duplex 6.6

Duplex 10.0

Duplex 17.0

If you have any questions, please forward your request to:

Fr. Fassmer GmbH & Co. KG

Industriestr. 2

D - 27804 Berne / Germany

Phone: +49 (0)4406 942-0
Fax: +49 (0)4406 942-100

Email: info

fassmer.de

Note:

This manual was established under consideration of SOLAS 74,
Chapter III, Edition 2004 + Resolution MSC.152(78), IMO MSC
CIRC. 1093 and 1136, IMO-FP 50/21, Annex 6- Draft MSC-
Circular- Guidelines for lifeboat manuals and Lloyd’s Register
“GUIDANCE NOTES FOR THE PREPERATION OF A
LIFEBOAT´S OPERATION INSTRUCTION & MAINTE-
NANCE MANUALS”.
Mod.4 is USCG- accepted on 26.04.06

This manual is valid for the above mentioned release hook systems delivered
since 1999. For older systems it may be used analogously. Several components
however will appear different to the attached equipment, or may not be installed
at all. Due to the technical nature and constant further development, notable
differences from the actual installations are possible.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

2. Brief description

The release hooks of sizes 2.5t, 5.0t and 6.6t are constructed in a similar manner.
The 10t and 17t hooks are also respectively similar, however, are different from
the smaller hooks up to 6.6t. The following drawings and descriptions are based
on the 6.6t and the 10t hook. Information must be extrapolated for use with the
other hooks.

Note:

Some Rescue boats are equipped with ONE hook. The chapters
relating to simultaneous release do not refer to these boats.

Note:

In some cases the total payload is smaller in comparison to the
maximum possible load. The only valid SWL is the SWL stamped
into the hook.

The release hooks installed on lifeboats will be released simultaneously with
Hook control cables (13/14) triggered through the release handle (2) of the central
release unit (21). The release handle (2) is secured by a hydrostatic interlock (3),
which prevents release of the boat when not waterborne. This safety device can be
overridden in case of failure during an emergency.

As soon as the boat is waterborne the hydrostatic interlock (3) will open and the
release handle (2) is then unsecured. The indicator (10) for the hydrostatic
interlock (3) will change from RED to GREEN. After removal of the safety pin
(1), the release handle (2) can be operated. The release hooks will be released
even under full load.

Recovery of the boat occurs with a closed and locked hook. The hook will have
closed itself under its own weight but proper positioning must be visually verified
as described in Chp 3.2. The release handle (2) must be moved back into closed
position and secured with the safety pin (1) for locking. A safety device (19)
inside the hook ensures that the release handle (2) can only be moved back into its
closed position when the hooks are fully closed.

Following this, the davit’s long eye (7) will be hung into the hook. A stop pawl
(8) prevents the eye from dropping out.

For maintenance work the boat can be suspended from the davit with a hanging
strop attached to the hanging-off-eyes at the release hook. The release hooks are
then free to move and can be tended to.

Components of the hook case are made of stainless steel. The hook itself is made
of high strength casted bronze. Fulcrum pins and other components are made of
other high strength materials. As a precaution no parts of the hook may be
replaced by spare parts, which are not delivered by Fr. Fassmer GmbH &
Co. KG.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Scheme of release gear

(shown with hook 10t)

1. Secured condition (boat is not waterborne)

The release handle (2) is secured by an hydrostatic locking device to prevent the unintended release of the hooks before the
boat is waterborne. This safety device can be bypassed in emergency case.

aft release hook

aft hoisting anchor

aft hook control cable

release handle

safety pin

fore hook control cable

floater

floater rod

central release unit

release box

cable end sleeve

fore release hook

fore hoisting anchor

release hook

Davit long link

release bolt

(closed)

intermediary

hook

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Scheme of release gear

(shown with hook 10t)

Unsecured

condition (boat is waterborne)

As soon as the boat is waterborne the hydrostatic interlock opens and the release handle (2) is unsecured. The indication of
the hydrostatic locking device changes from red to green.

aft release hook

aft hoisting anchor

safety pin has

fore hoisting anchor

fore release hook

floater moves upwards

aft hook control cable

release box

fore hook control cable

cable end sleeve

central release unit

release handle can be operated

been removed

release hook

Davit long link

release bolt

(still closed)

intermediary

hook

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Scheme of release gear

(shown with hook 10t)

3. Released condition (boat is waterborne)

After removing the safety pin the release handle can be operated. The release hooks will also be released under full load.

aft release hook

aft hoisting anchor

fore hoisting anchor

handle

operated release

aft hook control cable

fore hook control cable

cable end sleeve

central release unit

release box

fore release hook

release hook

Davit long link

release bolt

(opened)

intermediary

hook

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

3. Operation

Caution – Potentially Fatal!

Operation by Coxswain only:

Faulty operation will drop the boat! Operation of release system should only be
carried out by the coxswain. Do not enter, lower or hoist the boat before the cor-
rect positioning of the hook, release bolt and release handle are checked.

3.1 Operation and Releasing

3.1.1 Normal release

• Turn the safety pin (1) and pull it out.
• If the red safety indication (10) has turned to green the boat is waterborne

and hydrostatic interlock has unlocked the release handle (2).

• Operate the release handle (2) swiftly. This unlocks the hooks, but they will

open only under load.

Caution:

Never operate the release handle with excessive force. Damage to the release sys-
tem could occur.

3.1.2 Emergency release (=> detailed photos on next page)

Caution:

This operation drops the lifeboat and may kill you or cause
serious injury!

When using the emergency release it is possible to set the hooks free under load
when hanging in the davits or whilst lowering. Use the release handle only when
you are sure that the boat is waterborne!

(see note)

red green

red

If the hydrostatic interlock (3) does not unlock the release handle (2) the hooks
can alternatively be unlocked for emergency use in the following way:

• Ensure that the boat is waterborne

(see note)

• Remove safety glass (4) using the crowbar (11).

Note: crowbar is a red stanchion attached with a chain close to the release box (26).

• Open the shackle bolt (5).
• Operate the release handle (2) swiftly. This unlocks the hooks

simultaneously, and if they are under load they will drop the boat suddenly!

Note: If for any reason it is NOT possible to lower the boat into the water, the helmsman
might decide based on his expertise to operate the release as close to the water as
possible. This should only be done as a last resort after checking all equipment and
finding a mechanical problem or issue on with the ship. Take into account that already
drops from low heights (up to 1 m) might cause injuries or death. Drops from more
than 3 m will already seriously damage the lifeboat!

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Details for emergency release

Removal of the safety glass (4)
with crowbar (11)

Opening the shackle bolt (5)

Operate release handle (2) swiftly

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

3.2 Preparation for Recovery

Incomplete resetting of the release hooks can cause the
lifeboat to drop and death to occupants!

In case of problems refer to our trouble shooting section (chapter 7) or call for
service.

Caution:

Never operate release handle with excessive force! Handle is blocked by an
internal safety device (21) if the hook is not in the recovery position.

Hook up to 6.6t:

• Check if hook (6) is closed: arrow “A” to be at the notch on the side plate.
• Return the release handle (2) to the closed position.
• Check the position of the release bolt (9). The mark must be in line with the

green “OK” arrow.

• Secure release handle (2) with the safety pin (1).
• The shackle bolt (5) must be closed.

Warning:

If the hook position “A”, or the release bolts (9) are not correctly aligned, or if the
hooks or release handles (2) can not easily be moved DO NOT USE THE
HOOKS for hoisting!

green

Hook 10t and 17t:

• Check each hook’s position: No part of the hook should be seen through the

control hole “A”!

• Return the release handle (2) to the closed position.
• Check the position of the release bolt (9). The mark must be in line with the

green “OK” arrow.

• Secure the release handle (2) with the safety pin (1).
• The shackle bolt (5) must be closed.

Warning:

If the hook position “A”, or the release bolts (9) are not correctly aligned, or if the
hooks or release handles (2) can not easily be moved DO NOT USE THE
HOOKS for hoisting!

green

Replacing the davit long link and hauling up

Push the davit long link (7) into the release hook (6). The stop pawl (8) will open
during this procedure.

Replacing the davit long links into the release hooks is dangerous, particularly in
rough seas. Protect head and hands, and handle with the utmost care.

Lift the boat slowly until it is just out of the water.

Watch both release hooks and davit long links during this procedure. Stop imme-
diately if the davit long links have turned or canted, or if they are not straight in
the aft region of the release hook.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Caution:

Due to slack and movement in the davit long links, the stop pawl may be opened
in such a way, that the davit long links can shift around in, or, fall completely out
of, the hook.

Hoisting the lifeboat in this condition will damage the hook and drops the
lifeboat and may kill you or cause serious injury.

With the lifeboat standing just out of the water check once more the items men-
tioned under “recovery”.

Further, check the correct positioning of the davit long links (7), the whole davit
hoisting device and the release hook´s stop pawl (8).

If everything is correct and the hydrostatic interlock (3) is closed (indicator shows
“RED”) the boat can be hauled up.

All persons in the boat should be seated and seat belts (if mounted)
fastened for the duration of the hoisting.

3.3 “Harbour safety pin”

Note:

Hooks of type 10t and 17t can be additionally secured against misuse in harbours
during release gear maintenance periods with an optional “Harbour safety pin”
(Fassmer art. no. 681496) inserted and secured in the control hole of the hook
casing.

Danger:

Ensure always to remove this pin immediately after end of work or the release
hooks are blocked!

NEVER use whilst sailing the ship!

3.4 Maintenance/hanging off pendant attachment points

There are maintenance/hanging off pendant attachment points on the hooks.
These are to be used for transportation and maintenance purposes or for re-
hanging the boat when using a hanging off pendant in rough sea. When the eyes
are used for service and maintenance, the components of the hook can be checked
and their functions can be tested, without removing boat from davits.

Warning:

Take care in heeding the maximum load capacity of the lifting eyes which are
shown on the following pages!

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Maintenance/ hanging off pendant attachment points

for release hooks type 2.5, 5.0 and 6.6

transportation bolt

wire eye without thimble

driving direction

transport wire either fore or aft

for hanging-off-pendant or hook service aft only!

eel

re /

eel

re /

Caution:

Transportation eyes may only be used with transportation bolts as shown!

Transportation bolts can also be used for the towing line or as a mooring cleat.

Max. payloads for transportation eyes

of release hooks 2.5t, 5.0t and 6.6t

Size of release hook

vorizontal

vertical

2.5

each 1.0t each 2.0t

5.0 + 6.6

each 1.8t each 3.7t

In longitudinal direction of boat only, NO lateral force!

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Maintenance/hanging off pendant attachment points

for release hooks type 10 and 17

angle of pull direction max. 5°

suspension eye for hanging-off-

pendant or transportation

suspension eye for hook maintenance. Both eyes

to be used together with equal distributed load only!

Maximum payloads for Maintenance/

hanging off pendant attachment points

of release hooks 10t and 17t

Size of release hook

Transportation eye

Maintenance eye

10t 5,0t

17t 5,0t

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

4. Periodic servicing and inspection by ship’s crew

General safety precautions:

• Before each and every embarkation ensure that the boat is securely held at the davit and that all access to

the boat is safe.

• If work needs to be carried out on the release system:

Inform an Officer on duty before starting and when finished with, work on the lifeboat/hook

Secure the boat with a “Maintenance pendant” before starting any maintenance work.

Note:

Maintenance and inspection is not restricted to the above mentioned items. Items and procedures not listed need to be
inspected and maintained according to good seamanship, so long as they are not part of the release hook service, which
shall only be carried out by Fassmer-certified service engineers (refer to chapter 5).

Service Qualification level according to SOLAS III Reg. 20.11.2.2 and IMO MSC CIRC. 1093:

Weekly and monthly inspections and routine maintenance …

… may be done by the crewmembers under direct supervision of a senior ship’s officer, whom need to be instructed
in the use (but not in mounting/replacement) of the central release arrangement. (“Properly trained personnel
familiar with the system!” acc. to SOLAS III Reg. 20.11.2.2). The vessel’s management/shipping company is responsible
for ensuring the correct instruction of the crew.

In case of annual service by Fassmer-certified release hook service engineers, the weekly and monthly inspections and
routine maintenance part of the service shall be executed by the crew for training and instruction, supervised by the
service engineer.

All other inspections, servicing and repair …

… should be conducted by Fassmer’s representative or a person appropriately trained and certified by Fassmer for the
work to be done.

Reports and records

The following checklists should be correctly filled out and signed by the person who carries out the inspection and
maintenance work and should also be signed by the company's representative.

Records of inspections, servicing, repairs and maintenance should be updated and filed onboard the ship.

When repairs, thorough servicing and annual servicing are completed, a statement confirming that the release gear remain
fit for purpose should be issued by the Fassmer's representative.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

4.1 WEEKLY and after e v e r y recovery of the boat into the davits:

The following inspections have to be executed WEEKLY during the weekly check of the life saving
appliances acc. to SOLAS, ch. III, reg. 20.6.1!

Important note:

Each of the below mentioned checks must be carried out acc. to SOLAS, ch. III, reg. 20.11.2.1!

4.1.1

Check, that the triangle marking is lined up with the notch on the
case (type 2.5t – 6.6t). Respectively check that there are no parts of
the hook visible in the control hole on the side of the hook (type 10t
– 17t).

This will ensure that the swivel release hook (6) has returned to its
resting position.

not ok

4.1.2

Check the position of the release bolt (9). Its marking should line up
with the green “OK”-arrow on the case.

This will ensure that the release bolt (9) is in the Fassmer approved,
“Locked” position for simultaneous releasing.

not ok

4.1.3

Ensure that the release handle (2) is in the secured position, the
shackle bolt (5) is closed and the safety glass (4) is undamaged.

not ok

4.1.4

Ensure that the safety hook (32) of the hydrostatic interlock (3) is
totally closed (indicator showing „RED“).

not ok

4.1.5

Ensure that davit long link (7) is in straight position and is positioned
correctly at the aft stop in the hook. Establish that all parts of the
davit hoisting device are in correct position and are not turned or
canted.

not ok

4.1.6

Ensure that the stop pawl (8) is fully closed and not damaged or
bent.

not ok

Date

Service engineer name (printed + signature)

Boat no.

Signature of company´s representative

Ship´s

name:

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

4.2 3-monthly (with „#“ marked items also after every operation of the boat in the water):

The following checks and maintenance procedures (when required) should be carried out every 3
months and during launching and sailing the lifeboats acc. to SOLAS, ch. III, reg. 19.3.3.3!

Important note:

Every listed check and maintenance procedure must be carried out acc. to SOLAS, ch. III, reg.
20.11.2.1!

4.2.1

Check hook control cables (13/14) for damage, especially at
screwed connections.

not ok

4.2.2

ONLY when the BOAT IS WATERBORNE and the HOOKS
ARE FREE OF LOAD check that all screwed connections on the
hooks are tight.

not ok

4.2.3 #

Check that the hydrostatic interlock (3) is functioning correctly:

With the lifeboat lowered into the water, the safety hook (32)
should open after about 15 sec. (indication shows “GREEN”) and
continue to stay in this position so long as the boat is waterborne,
and while it sails (not faster than 5kts.).

After hoisting the boat up (with boat completely out of the water),
the safety hook (32) should be fully closed after about 15 sec.
(indicator showing “RED”).

not ok

4.2.4 #

After hauling up and lashing:

Flush out and clean the release hooks and the floater box with
fresh water.

not ok

4.2.5

Lubricate release hooks at the grease nipples. Use the grease
SPARINGLY. Too much grease may block the hook.

Warning: Never paint hooks or hook parts! They may jam or

corrode.

not ok

Caution:

When greasing the hook and the hook parts use only
seawater resistant lubricating fluid “Trenn-
Schmierstoff 785 from Chesterton (to be ordered at
Fassmer with art. no. 880017).

Caution:

If any irregularity is discovered during the above
inspection:

• DO NOT USE THE RELEASE HOOK TO HOIST

THE BOAT!

• Arrange for the hook to be serviced according to the

service instructions (chapter 5).

• If the boat has to be returned to the ship attach the

links to the Transportation eyes on the hooks.

Date

Service engineer name (printed + signature)

Boat no.

Signature of company´s representative

Ship´s

name:

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

5. Periodic servicing, inspection, overhaul and testing by Fassmer-certified

service engineer

Caution:

All work in this section is only allowed to be carried out by service engineers with a valid

Fassmer-Service-Certificate for Lifeboat release gear!

Unauthorized manipulations to the release gear system void all guarantee’s and resolve Fassmer of all
responsibility!

Contact details of authorized companies with Fassmer-Service-Certificate can be obtained through:

Fr. Fassmer GmbH & Co. KG

Industriestr. 2

D - 27804 Berne / Germany

Phone: +49 (0)4406 942-0, Fax: +49 (0)4406 942-100
Email: info

fassmer.de, Internet: www.fassmer.de

Recommendation: arrange certified release gear service together with lifeboat service which is required at same intervals
according to boat manual!

Note:

All general notes in the beginning of chapter 4 regarding safety precautions, Service Qualification level and
Reports and records are also valid for this chapter!

5.1 ANNUAL THOROUGH EXAMINATION:

These annual thorough examination MUST be carried out acc. to SOLAS, ch. III, reg. 20.11.2.2. and
IMO-MSC/Circ. 1093 during the survey acc. to SOLAS, ch. I, reg. 7 resp. 8.

Defects have to be solved and defective parts to be replaced. If this is not possible, such
defects have to be listed at the end of this list for quickest possible settlement.

5.1.1

Weekly and 3-monthly inspections and routine maintenance acc.
4.1 and 4.2 to be executed (complete separate check lists).

not ok

Winch brake test done?

yes

Note:

If a dynamic winch brake test with the EMPTY BOAT
is executed acc. MSC/Circ 1093/3.1, the following
examination shall be executed AFTER this test to
detect any possible damages to the system:

NO person shall be in the boat during a dynamic winch brake test.
A system failure can drop the boat and KILL YOU or cause
serious injuries!

5.1.2

Control simultaneous hook release during the launching drill:
Lower the boat only so far that the hydrostatic interlock (3) is
JUST open. (Indicator shows „GREEN“). Operate release handle
(2) SLOWLY! Both hooks have to open simultaneously.

Warning: Ensure that the boat is waterborne. Carry out the

test only in smooth water without any waves. Only
the boat’s crew and coxswain should be on board.
All person must be seated with seat belts fastened
(if fitted).

not ok

5.1.3

AFTER releasing the hooks, with the boat waterborne, and THE
HOOKS FREE OF LOAD check the release handle (2) and the
attached Hook control cables for ease of movement.

Caution: Never operate the release handle with excessive

force!

not ok

5.1.4

ONLY when the BOAT IS WATERBORNE, THE HOOKS ARE
FREE OF LOAD and the RELEASE HANDLE (2) IS OPEN,
check for ease of movement, throughout the hook: Open the swivel
release hook (6) completely by hand and let it go. It has to move
quickly and by without force back to original position. (Check acc.
to 4.1.1).

not ok

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

5.1.5

ONLY when the BOAT IS WATERBORNE, THE HOOKS ARE
FREE OF LOAD and the RELEASE HANDLE (2) IS OPEN:

Check the interlocking safety device:

Lift the swivel release hook

(6) of

ONE release hook a little and

hold this position whilst the helmsman tries CAREFULLY to push
the release handle

(2)

back into the entry position. If the release

handle

(2) jams

, the interlocking safety device

(3) is

working

correctly. Repeat this procedure with the second hook.

not ok

Caution:

Never operate the release handle (2) with excessive
force. The hydrostatic interlock (3) or the hook
control cables (13/14) may be damaged in the
process.

5.1.6

Check that the hydrostatic interlock (3) is functioning correctly:

With the lifeboat lowered into the water, the safety hook

(32)

should open after about 15 sec. (indication shows “

GREEN

”) and

continue to stay in this position so long as the boat is waterborne,
and while it sails (not faster than 5kts.).

After hoisting the boat up (with boat completely out of the water),
the safety hook

(32)

should be fully closed after about 15 sec.

(indicator showing “RED”).

not ok

5.1.7

ONLY when the BOAT IS WATERBORNE and the HOOKS
ARE FREE OF LOAD check that all screwed connections on the
hooks are tight and the boat is not damaged in the connection area.

not ok

5.1.8

After hauling up and lashing:

Flush out and clean the release hooks and the floater box with fresh
water.

On boats arranged with an outboard release box (26), this too has
to be cleaned carefully, most importantly, the niche at safety hook
(32) and shackle bolt (5) need to be cleaned from salt deposits
which may otherwise block the hydrostatic interlock (3). When
clean apply a thin layer of grease to the safety hook (32) where
accessible. Finally, if within reach, lift and drop the floater (22) by
means of a pin through the holes in the bottom of the boat. The
floater (22) should move easily and quickly.

not ok

5.1.9

Remove excess grease from the fulcrum pins (16), then grease at the
grease nipples. Use the grease SPARINGLY. Too much grease may
block the hook.

not ok

Warning: Never paint hooks or hook parts! They may jam or

corrode.

Caution:

When greasing the hook and the hook parts use only
seawater resistant lubricating fluid “Trenn-Schmier-
stoff 785 from Chesterton (to be ordered at Fassmer
with art. no. 880017).

5.1.10

Check the elastic sealants in the area of the release hook and renew
them if they are cracked or porous.

not ok

Note:

These works have to be done whilst the boat is
hanging in the davits or the sealant may tear once the
boat is hanging.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

This is to confirm that the lifeboat release gear has been thorough examined and is "FIT FOR PURPOSE". The next

annual inspection to be latest 12 months after the date below. Following defects have been eliminated/parts were
replaced:

This is to confirm that the lifeboat release gear has been thorough examined and will be "FIT FOR PURPOSE"

AFTER SETTLEMENT OF FOLLOWING DEFECTS. The next annual inspection to be latest 12 months after the
date below.

Date

Service engineer name + company

Authorisation no.

Certified Service engineer (signature)

Ship’s name

Owner

Boat no.

Signature of company's representative

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

5.2 OVERHAUL AND OVERLOAD TEST EVERY 5 YEARS:

The following overhaul and release test is required to be done every 5 years by SOLAS, chapter
III, reg. 20.11.2.3+ IMO-MSC/Circ. 1093.

Defects have to be solved and defective parts to be replaced. If this is not possible, such defects have to
be listed at the end of this list for quickest possible settlement.

Caution:

During the following overhaul the boat should not be hanging in the davits, it should be
stowed ashore or on the ship’s deck!

It is forbidden to carry out any work on the release system while the release hooks are
under load. The hooks may release under load, dropping the boat!

It is recommended that this overhaul is carried out during the ship’s stay in the dry dock for class
renewal.

Only if this is not possible:

• Secure boat with Maintenance/hanging off pendant attachment points to davit acc. to davit

instructions.

• Inform and on duty officer when starting and finishing work on the release system

Note:

The following chapter is a checklist and NO work instruction! A separate detailed
instructions is in the hand of Fassmer-certified service engineers.

5.2.1

Dismantling of hook release units:

Remove fulcrum pin (16), release bolt (9) and movable hook parts
from the casing (ch. 7).

Clean all removed parts carefully with gas oil and inspect them for
visible damage and corrosion. Grease all moving parts with a thin
coating of seawater resistant grease (acc. to 5.1.9)

Caution:

Before dismantling be sure that the turning bolt’s
position is correctly marked on the bolt and hook.

not ok

5.2.2

Hooks type 10-17: The back spring of the arresting lever (19) has
to be replaced.

not ok

5.2.3

Examination with regard to tolerances and design requirements

not ok

5.2.4

Examination of vital parts with regard to defects and cracks:

Each part that shows signs of corrosion or wear-and-tear needs to
be replaced against ORIGINAL FASSMER-PARTS.

not ok

5.2.5

Re-assemble the hooks and adjust release gear system

not ok

5.2.6

AFTER finishing overhaul work:

Weekly and 3-monthly inspections and routine maintenance acc.
4.1 and 4.2 and Annual Thorough Examination acc. 5.1 including
release tests to be executed (complete separate check lists)

not ok

5.2.7

Overload release test

After re-assembly the release system needs to be “…operationally
tested under a load of 1.1 times the total mass of the lifeboat when
loaded with its full complement of persons and equipment…”
(SOLAS, ch. III, reg. 20.11.2.3), together with complete inspection
and maintenance according ch. 4.2. This release test should be
carried out three times. If new parts were installed the
simultaneous release could have changed for these tests. If this is
the case adjustment in preparation for, and the test itself need to be
repeated.

If this test does not satisfy the requirements, refer to ch. 7 “Trouble
shooting” and correct the fault.

Warning: During the release test only one person is permitted

onboard and they must be firmly secured!

not ok

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Important notes:

It is strongly recommended to execute the “1.1 times” overload test
of boat with the full complement of persons and equipment, with a
hydraulic test device onboard, and N O T to load the boat with
weights.

Only if such a device is not available may the test be carried out as
follows:

The boat should be hanging from the cranes just clear of the water
or a maximum of 10mm above ground. Place sufficient foam or
other material under the keel ensuring that the boat will not be
damaged.

Mobile hydraulic test device for release hooks

The five-yearly dynamic overload winch brake test should be
executed with a PROOF LOAD and NOT with the boat
(revised SOLAS III/Reg. 20.11.1.3 in Res. MSC.152(78))

Reason: the forces occurring during such test can not be predicted
but can be between 2 and 3 times the weight of the fully loaded
boat. This might cause undetectable damages in lifeboat GRP
structures which might lead to later failure when in use with
persons.

Also davit brake failure during this test will lead to serious
damages to the boat.

NO person shall be in the boat during a dynamic winch
brake test. A system failure can drop the boat and KILL
YOU or cause serious injuries!

5.2.8

On completion of the overhaul and test (only to done by Fassmer-
authorised engineers) the service needs to be marked with a label
on the safety glass (4) of the locking box (3). Here you will also
mark the due-date for the next service.

not ok

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

Next overhaul and overload test: every 5 years

Fr. Fassmer GmbH & Co. KG, Industriestraße 2
D - 27804 Berne / Germany

Tel.: +49 (0)4406 942-0, Fax: +49 (0)4406 942-100
Email: info@fassmer.de / Internet: www.fassmer.de

Name:
Date:

Comp.:
Sign:

service
examination and test
complete overhaul

1.1 times on-load release test

FASSMER release gear manual

personnel acc. SOLAS 96/ .20.11.2 and

Release gear service by FASSMER-authorised

Art.-Nr. 401043 / Mod. 2 12.11.01

Fassmer-Sign 43

03 04 05 06 07 08 09 10 11 12 13 14 15

This is to confirm that the lifeboat release gear has been overhauled and overload-tested and is "FIT FOR PURPOSE".

The next “annual inspection” to be latest 12 months, the next “Overhaul and Test” to be latest 5 years after the date
below. Following defects have been eliminated/parts were replaced:

This is to confirm that the lifeboat release gear has been overhauled and overload-tested and will be "FIT FOR

PURPOSE" AFTER SETTLEMENT OF FOLLOWING DEFECTS. The next “annual inspection” to be latest 12
months, the next “Overhaul and Test” to be latest 5 years after the date below.

Date

Service engineer name + company

Authorisation no.

Certified Service engineer (signature)

Ship’s name

Owner

Boat no.

Signature of company's representative

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

6. Log for records of inspection and maintenance

Reports and records as required by IMO-MSC/Circ. 1093:

The checklists in Chapter 4 and 5 should be correctly filled out and signed by the person who carries out the inspection
and maintenance work and should also be signed by the company's representative.

Records of inspections, servicing, repairs and maintenance should be updated and filed onboard the ship.

When repairs, thorough servicing and annual servicing are completed, the statement at the end of the preceding check lists
confirming that the release gear remain fit for purpose should be signed by Fassmer's representative.

7. Trouble shooting

Note: Numbers in brackets ( ) behind part names refer to description in Release Gear Service-engineer manual

(for Fassmer-certified service personnel only:

Symptom

Cause

Solution

7.1

Incorrect position indicated by
the triangle marking on the
release hook (6) (type 2.5t –
6.6t). resp. parts of the hook
can be seen in the control hole
(type 10t - 17t)

Open release handle (2)
again and let the release
hook (6) return under its
own weight to the correct
position.

Warning: Only if the boat
is not connected to the
davit!

If the boat is waterborne and
the release hook (6) is easily
moved by hand:

Release handle (2) has shifted
back after release, but before
the release hook (6) has re-
turned to its correct resting
position. This may eventually
cause the arresting lever (19)
to prevent the release handle
from locking when the hooks
are not closed.

B: If not ok:

Fassmer-authorized ser-
vice personnel only: over-
haul arresting lever (19).

Release hook (6) is not closed
correctly, because it is NOT
easily moved by hand.

Fassmer-certified service
personnel only: Proceed acc. to
Service-engineer manual 8.2.

7.2

Movable hook parts are not
easily moved.

Trigger is not sufficiently
greased.

Grease fulcrum pin (16) acc.
4.2.5.

Grease has hardened, hooks
are painted or dirt is in the
system.

Fassmer-certified service
personnel only: Service acc. to
5.2: 5-years overhaul

Hook casing or other parts
have been bent through other
means.

Fassmer-certified service
personnel only: replacement of
damaged parts or the complete
hook.

7.3

Marking on the release bolt (9)
is not in line with the OK-
arrow on the safety plate.

Release handle (2) is not fully
closed and secured.

Secure release handle.

DANGER: Should boat be
HANGING IN THE HOOKS in
this condition: LEAVE BOAT
IMMEDIATELY.
Accordingly, DO NOT
ENTER! BOAT COULD
DROP! Lower to water
WITHOUT PERSONS IN
BOAT and before carrying out
any further actions!

Hooks (6) may not be releas-
ing simultaneously.

Fassmer-certified service per-
sonnel only: Adjust the hooks
(6) for simultaneous release acc.
to 4.2.2.

A: If ok: change the marking on

the release bolt (9) acc. to
8.3.

B: If not okay: proceed acc. 7.4.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

7.4

Hooks (6) do not release simul-
taneously.

Adjustment of the system
altered with the use of
excessive force. Possible
damage to hook control cables
(13/14), release bolt (9) or
hook control cable connection
unit (20).

Fassmer-certified service
personnel only: Arrange
service or replacement then
fresh adjustment of damaged
parts according to 8.6.

7.5

Release handle (2) will not
move easily or is blocked.

Hardened grease in the hooks

Fassmer-certified service
personnel only: Service acc. to
5.2: 5-years overhaul.

Hook control cables (13/ 14)
and/or hook control cable
connection unit (20) are da-
maged, or the plastic cover of
hook control cables has
melted due after welding in
the davit area (see ch. 9).

Fassmer-certified service
personnel only: replacement of
damaged parts and fresh
adjustment according to 8.6

Hook casing or other parts
have been bent through
excessive force.

7.6

Hydrostatic interlock (3) will
not open or close.

If hydrostatic interlock (3)
does not open: The boat is not
waterborne.

Lower boat to water.

If hydrostatic interlock (3)
does not close: The boat is
still waterborne.

Lift the boat out of the water.

Shackle on release handle (2)
jams in the safety hook (32).

Fassmer-certified service
personnel only: Proceed acc. to
Service-engineer manual 7.7.

Safety hook (32) jams in the
release box (26).

Fassmer-certified service
personnel only: Proceed acc.
Service-engineer manual to 7.8.

Floater system is frozen.

Heat floater housing, water inlet
and leading pipe with warm air,
drain any remaining water.

System is damaged or jammed
by dirt, corrosion or marine
fouling.

Flush and check floater (22). If
it still won’t work:
Fassmer-certified service
personnel only: Disassemble
and clean the system,
replacement of damaged parts

Water inlet valve is closed (if
fitted – e.g in some rescue
boats).

Open valve and leave it open

Hose between water inlet
valve and floater box (if
applicable e.g. in some rescue
boat types) is kinked or
otherwise blocked.

Remove bend or blocking.

Device does not open, because
the boat is driving or, being
towed at more than 5 kts,
water may have been sucked
out of the floater box (33).

Reduce speed.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

7.7

Release handle shackle jams
safety hook (32).

Safety pin (1) is already
removed and operator tries to
turn release handle (2) with
the control sign still in the
“RED” position.

Reset release handle (2) to the
resting position, insert safety
pin (1) and wait for the
“GREEN” signal before release.

Shackle has been bent or
deformed by excessive force.

Bend shackle back into shape.

7.8

Safety hook (32) jams in re-
lease box (26).

Safety hook (32) is bent after
the operator turned the release
handle (2) with the control
sign still in the “RED”
position.

Fassmer-certified service
personnel only: replacement of
safety hook (32)

Safety hook (32) is stuck in
the release box (26) due to
dirt, salt deposits or surface
corrosion of the release box
itself.

Clean affected area carefully
with fresh water. Apply a thin
layer of grease to the safety
hook (32) where accessible.

7.9

Release hooks (6) do not open,
despite the release handle (2)
having been operated.

There is NO LOAD on the
hooks. They are
UNLOCKED, but will only
open when the davit wires are
heaved up, or if the boat
drives away, and the davit
hoisting eyes are pulled out of
the hooks.

Grease has hardened, hooks
are painted or dirt is in the
system.

Fassmer-certified service
personnel only: Service acc. to
5.2: 5-years overhaul

Hook casing or other parts
have been bent through
excessive force.

Fassmer-certified service
personnel only: Arrange for
replacement of damaged parts
or complete hook

Hook control cables (13/14)
and/ or hook control cable
connection unit (20) are
damaged.

Fassmer-certified service
personnel only: Arrange for
replacement of the damaged
parts and fresh adjustment

Harbour safety pin (refer to
note in ch. 3.3) inserted in
hook.

Remove pin, ensuring there is
NO LOAD on the hook.

7.10

Release handle (2) cannot be
returned to resting position
after release.

Release hooks (6) have not
fully retracted to their resting
position.

Proceed according to 7.1.

Hooks of type 10t and 17t are
fully closed, but arresting
lever (19), to prevent locking
of the release handle, when
the hooks are not closed, did
not fully disengage.

Fassmer-certified service
personnel only: Open
protection box (34) and check
arresting lever (19) is not
jammed by dirt or misalignment
acc. Service-engineer manual
8.9.

Release handle (2) does not
move easily.

Proceed acc. to 7.5.

Operator’s Handbook for Fassmer

Release hooks Type Duplex

Document 00.0000-361.00.00.4

Art. No. 676511

Mod. 4 Orr/Rei/AH 28.04.06

8. Disassembly Instructions

Caution: ANY DISASSEMBLY IS ONLY ALLOWED TO BE CARRIED OUT BY SERVICE

ENGINEERS WITH A VALID “FASSMER SERVICE CERTIFICATE” FOR
LIFEBOAT RELEASE GEAR!

FOR SUCH SERVICE ENGINEERS ONLY, A SEPARATE SERVICE-ENGINEER
MANUAL IS AVAILABLE.

For addresses of authorized service companies or the arrange training for your own staff, contact Fassmer on:

Fr. Fassmer GmbH & Co. KG

Industriestr. 2

D - 27804 Berne / Germany

Phone: +49 (0)4406 942-0
Fax: +49 (0)4406 942-100

Email: info@fassmer.de

Internet: www.fassmer.de

MANIPULATIONS OF THE RELEASE GEAR SYSTEM BY UNAUTHORIZED PERSONS, VOIDS EVERY
GUARANTEE AND RESPONSIBILITY OF FR. FASSMER GMBH & CO. KG!

ONLY ORIGINAL FASSMER SPARE PARTS ARE ALLOWED TO BE INSTALLED. Order spare parts
according to the drawing and the part list in ch. 10 and state further in your inquiry:

• SWL of your release hook (stamped into the movable hook part)
• Fassmer serial no. of the lifeboat or
• Shipyard, hull-no. and build year of the mother ship

9. Onboard installation

On delivery the release system is ready for use. All tests required by SOLAS/IMO 83 have been carried out.

Caution:

On delivery the release system is protected with a special marked cable tie, and warning sign at the safety pin.
To avoid accidents through incorrect operation during yard time, do not remove this safety device before the
mother ship is put into service.

Bring the boat under the davit/crane and attach it according to the davit instructions or with use of a shore crane:

For the first lift of the boat by shore crane the transportation eyes of the hook have to be used. Take care not to exceed
the SWL of the transportation eyes (see “hanging off” in ch. 3.2).

Caution:

When lifting with the transportation eyes, be sure that the
boat is empty, with no persons onboard.

max. 30°

Danger of damage

When using a crane, attach to the transportation eyes of the hooks.
Spreading angle of heaving wires max. 30°!

Danger of damage

Do not weld in the area of davits when boats are hanging!

If an earth of the welder is incorrectly positioned, current will flow
through the hook control cables (13/14). This could in turn melt the
plastic cover of the wire, rendering them unworkable.

Check and service after installation and test

Load on hoisting fittings, and testing after installation, can lead to hook components bedding down or warping slightly.
Through this process screwed connections may become loose or sealing seams, in the area of the release hooks, may
crack. Therefore, all screwed connections and elastic sealing seams have to be checked, tightened and resealed if
necessary, after every installation or test, and once more, around 14 days later.

This is part of the customer’s commissioning and can not be claimed on the guarantee!

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