C-H-21 R01
PARTS-SERVICE
DATE: July 20, l980
GRAM MODEL: S30-100E
TRANSMISSION
This revision cancels
kit 304179 and release
kit 305019.
SUBJECT: INCREASED INCH/BRAKE OVERLAP
Optional component parts are available to increase powershift transmission inch/brake overlap, in kit P/N
305019.
CONVERSION:
Conversion is made by replacing the original parts with parts in the kit. Reference to Figure 1 and installation
procedure. A maximum of four shims can be installed to achieve desired overlap.
NOTE:
Check all transmission pressures before and after conversion to ensure they are within Service Manual
specifications.
INTERCHANGEABILITY:
The kit parts replace original parts. Refer to installation instructions. Do not intermix original parts and kit
parts.
PARTS STOCK:
Return the stock of kit P/N 304179 to the Parts Depot for credit. Form 599153 must be submitted to the
Depot within 90 days of the date of this gram. Authorization must be recieved before parts are returned.
EFFECTIVE SERIAL NUMBER:
Not affected.
We reserve the right to make changes in design or add improvements without incur-
ring the obligation to make such changes in equipment previously manufactured.
H6030
C-H-21 R01 FIGURE 1
Page 2
INCHING SPOOL
REF.
DIM  A
SHIM TO ACHIEVE DESIRED
BRAKE-INCHING OVERLAP
4 SHIMS MAXIMUM
INSTALLATION PROCEDURE:
1. REMOVE INCHING SPOOL AND
MEASURE OVERALL LENGTH
DIM.  A .
2. FOLLOW THE APPROPRIATE
PART
INSTRUCTIONS BELOW. ITEM QTY. NO. DESCRIPTION
DIM  A INSTRUCTIONS
1 1 305013
SPACER
2 1 305017
1.750+.010 INSTALL ITEMS (1) THRU (5)
SPACER
3 1 305009
PLUNGER
AS SHOWN
4 1 299347
SPRING
1.850+.010 DISCARD ITEMS (1)* & (2), INSTALL
5 4 299334
SHIM
ITEMS (3) THRU (5) AS SHOWN
*NOTE: SPACER SHOWN AS ITEM (1) MAY HAVE BEEN
PREVIOUSLY INSTALLED IN VALVE, IN WHICH
CASE IT SHOULD REMAIN AS SHOWN.