INCHING PEDAL

TM 10-3930-644-14&P

B. INCHING PEDAL

(10" free length) so that it measures 11" to

11.25" in the retracted position.

The inching pedal, operated by the left foot, allows slow,

creeping maneuvers with full engine speed available for

4. Adjust the inching pedal stop until the inching

lifting purposes.

The more the inching pedal is

valve spool bottoms and the bumper spring is

depressed, the slower will be the truck movement. Full

compressed .062" to .0125".

depression of the inching pedal will result in a full stop

condition.

5. Install 0 - 300 psi pressure gauge in reverse

clutch pressure port.

If the truck does not come to a full stop when the inching

pedal is down, or if the truck does not move smoothly

6. Raise the front end of the truck and block into

forward with the pedal released, the inching pedal

position with the front wheels off the floor.

assembly must be adjusted.

7. Engage park ing (hand) brake.

NOTE

8. Depress the brake pedal until brake shoes

Check inching pedal adjustment after

contact drum. This will occur when resistance is

every 500 hours of operation.

felt. Use a wedge between the brake stop and

ADJUSTMENT

pedal to hold it at this position.

1. Remove floor and toe plates.

9. Start engine. With engine at low idle (500 600

rpm) place transmission control lever in R

2. Check brake pedal adjustment and assure it is

(reverse). Depress inching pedal until pressure

fully retracted against stop.

gauge reads 6 10 psi. Adjust setscrew to make

contact with brake pedal lug at this point.

3. Adjust inching pedal return spring (Figure 2-2)

10. Disengage parking brake.

Figure 2-2. Inching Pedal Assembly

M-171-1

2-54