HORIZONTAL LEVELING WORM DRIVE CHAIN REMOVAL AND REPLACEMENT (TRUCK M764).

TM 9-2320-209-20-3-3

18-78. HORIZONTAL LEVELING WORM DRIVE CHAIN REMOVAL AND REPLACEMENT

(TRUCK M764).

NOTE

This task is the same for the first and second

reduction chains. This task is shown for the

second reduction chain.

1 1/8-inch open end wrench

TOOLS:

Adjustable wrench

5/32-inch sockethead screw key

15/16-inch wrench

(Allen wrench or equivalent)

Flat-tip screwdriver

3/4-inch wrench (2)

Pliers

2-inch open end wrench

7/16-inch wrench

SUPPLIES: None

PERSONNEL:

One

Truck parked, engine off, handbrake set.

EQUIPMENT CONDITION:

a. Removal.

FRAME 1

Using screwdriver, take off safety wire (1). Using allen wrench, loosen

setscrew (2). Take off cover retaining collar (3) .

Using 7/16-inch wrenches, unscrew and take off capscrew (4), lockwasher

(5), and nut (6).

Using 15/16-inch wrench , unscrew and take off capscrew with lockwasher (7),

flat washer (8), and bushing ( 9). Take off cover (10).

GO TO FRAME 2