TM-9-2320-285-24-2

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985

TM-9-2320-285-24-2 - Page 268 of 698

TM 9-2320-285-24-2

3-28.

STEERING SYSTEM MAINTENANCE (CONT)

d. Power Steering Gear (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

DISASSEMBLY (cont)

8

e.

Ball nut (38)

Tape

(cont)

Carefully disengage rack piston (12) until

1 inch of ball nut (38) is exposed.

Wipe exposed surface of ball nut (38)

with cleaning solvent P-D-680 and

allow to air dry.

Then apply

cellophane tape over ball return guide

(37) opening in ball nut (38) to

prevent loss of parts

f

Rack piston

Remove

Carefully pull from ball nut

(12)

(38) and top cover assembly

(1) worm shaft

NOTE

Remove poppet seat (41), lock washer (42), and poppet (43) only if required for replacement.

g

Lock washer

Unlock

Carefully pry flattened tab

(42)

of lock washer (42) from

face of poppet seat (41)

h.

Poppet seat

Remove and

(41) and lock

discard

washer (42)

3-262