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 601 of 801
TM9-2320-273-34
14-20. Cleaning and Inspection of Parts.
a. Cleaning.
Clean all metal parts in dry cleaning solvent (item 12, App B). Do not immerse rubber
parts in solvent, but wipe them clean and dry.
b. Inspection.
Inspect valve seats for nicks or burrs and remove any deposits. Check all springs for
distortion, cracks, and corrosion. All rubber parts should be inspected for wear or deterioration. Replace
all parts not considered serviceable during their inspection.
14-21. Assembly and Installation.
a. Assembly.
(1) Install a new
preformed packing (24, fig. 14-51) on cover (25).
(2) Coat the cam (28) and cam follower (27) with Iubriplate (item 16, App B); then as-
semble cam and cam follower and install into cover (25). The tabs on the cam follower (27) must be
lined up with openings in cover (25) before the cam and cam follower can be fully seated.
(3) Install adjusting ring (23) until flush with the top of the cover (25).
(4) Install spring (16).
(5) Install spring (13) in body (33).
(6) Install a new preformed packing (14) on piston (15).
(7) Press piston (15) into body (33).
(8) position gasket (26) on cover (25) and assemble to body (33). Secure with two screws
(12) and torque to 75-95 lb-in. (8.5-10.7 N-m).
(9) If valve assembly (4) was disassembled, proceed as follows:
(a) Press inlet valve (5) on valve stem (7).
(b)
Place valve stem (7) with inlet valve (5) installed in valve seat (6). Insert a small
object such as a capscrew to hold the inlet valve up against its seat.
(c) position spring (8) and valve guide (9) over valve stem (7).
(d) Depress valve guide (9) and spring (8), then press exhaust valve (10) on stem.
(10) Place
preformed packing (11) over valve assembly (4) and install valve assembly into
body (33). Secure with two screws (1) and Iockwashers (2) and designation plate (3). Torque to 60-80
lb-in. (6.8-9.0 N-m).
(11) Install preformed packing (19) on lever (18). Install knob (17) if removed by pushing onto
lever (18) and twisting (no threads are used).
(12) Install head (21) on cover (25).
(13)
Install lever (18) in head (21) and secure with spiral pin (20),
(14) Install two connectors (32).
14-52
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