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.

PARTS-SERVICE

GRAM

SUBJECT: IMPROVED VELOCITY GOVERNOR

An improved velocity governor is now available for the G.M. 4.153 engine.

INSTALLATION INSTRUCTIONS:

Model S30-60ES prior to s/n D2D-10953C

1. Gas-Service governor 321731 with governor 321482 and the following parts:

Description

Current Part No.

New Part No.

Hose

321745

173690 or 181761 (7" bulk hose)

Tube

321746

329426

Ftg (on governor for carb line)

191805

175347

Hose

173690

181082 or 181761 (9" bulk hose)

Use gaskets supplied with 321482 governor. Install the governor with adjustment screw toward engine.

2. LPG-Service governor 321731 with governor 321482 and the following parts:

Hose

181082

173690 or 181761 (7" bulk hose)

Tube

321746

329426

Hose

66773

339694 or 55486 (19" bulk hose)

Use gaskets supplied with 321482 governor. Install the governor with adjustment screw away from engine.

Model P40-50A prior to s/n A119D-3399C

1. Gas-Service governor 321731 with governor 321482 and the following parts:

Hose

296605

210380 or 55486 (14.5" bulk hose)

Ftg (on governor for carb line)

191805

175347

Hose

173690

181082 or 181761 (9" bulk hose)

Hose

321745

173690 or 181761 (7" bulk hose)

Tube

321746

329426

Bracket (install on carb)

284087

273325

Spring (throttle return)

276956

275871

(2) #10 Screw

16708

(2) #10 Washer

197067

Use gaskets supplied with 321482 governor. Install the governor with adjustment screw toward engine.

2. LPG-Service governor 321731 with governor 321482 and the following parts:

Hose

198584

66773 or 79511 (11" bulk hose)

Hose

181082

173690 or 181761 (7" bulk hose)

Tube

321746

329426

Use gaskets supplied with 321482 governor.

Refer to next page for adjustment procedure.

EE - 36

DATE: November 10, 1982

MODEL: S30-60ES

P40-50A

GOVERNOR

H6030