TM-9-2320-273-34

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 612 of 801

TM9-2320-273-34

Remove the two mounting flange nuts with integral washers (30) and remove the pump

mounting flange (31). Remove O-ring (32).

n.

Remove the retaining ring (36), Note which side is marked up.

o.

Remove the cover (35) by lightly tapping the front end of the pump shaft (20).

P.

Remove the rear end plate (5).

NOTE

The end plates (5) and (18) are not

identical and should be marked for

later reassembly.

q.

Remove the pump shaft (20), carrier (3), and the 12 loose rollers (4).

Sharp corners on the cam ring can cut

your fingers.

NOTE

The up side of the cam must be marked

for reassembly.

r.

Remove the cam (1) using a clean rag to hold it with.

s.

Remove the cam locator pin (17) and the front end plate (18). If the dump body has two

holes for the locator pin, note which one is used, for later reassembly.

t.

Remove end plate seals (6) and (19). Discard seals.

u.

Remove the large O-ring (33) from the pump body.

v.

Remove the shaft seal (29).

w.

Refer to para 16-9j for maintenance of spring (7), filter (8), loose cup (9), and spacer (10).

16-8. Cleaning.

Clean all metal parts in SD-2 solvent and air dry.

16-9. Inspection and Repair.

Inspect each component for excessive wear as follows:

a. Body and Bushing Assemb/y. Inspect

the shaft bushing for excessive burning, scoring, or oversize

condition. If any of these conditions exist, replace the body and bushing as an assembly. If the ball plug

near the valve cap threads has blown out, the ball must be driven back into the drilled angle hole to a depth

of 1/4 in. below the cast surface.

16-7

m .

WARNING