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