TM 10-4320-344-24
h.
Place camshaft (10) in arbor press.
i .
Place suitable supports under camshaft gear (6).
j .
Press camshaft (10) out of camshaft gear (6). Discard camshaft gear (6).
k.
Remove woodruff key (11) from camshaft (10). Discard woodruff key (11).
l .
Remove camshaft thrust plate (8) from camshaft (10).
4.4.16.2 Repair.
Do not use cleaning solvent without proper ventilation and clothing.
Do not smoke or use near open flame or excessive heat. Dry cleaning
solvent is potentially dangerous to personnel and property. Clean
parts in a well-ventilated area. Avoid inhalation of solvent fumes.
Wear goggles and rubber gloves to protect eyes and skin. Wash
exposed skin thoroughly. Failure to obey this warning may result in
personal injury or death.
To prevent the possibility of embedding foreign objects in the eyes,
safety glasses must be worn when using compressed air.
a.
Clean all components with cleaning solvent and dry with compressed air.
b.
Inspect valve tappets (1) for scoring, burrs, damage, and dimensions in Table
4-11.
Table 4-11. Valve Tappet Dimensions.
Dimension
Minimum
Maximum
Body diameter
0.7455 inches (18.9357 mm)
0.7490 inches (19.0246 mm)
Overall length
2.2450 inches (57.0230 mm)
2.2550 inches (57.2770 mm)
Clearance in bore
0.0005 inches (0.0127 mm)
0.0015 inches (0.0381 mm)
(cylinder block)
c .
Inspect thrust plate (8) for worn or scored thrust surfaces and distortion.
d .
Inspect camshaft (10) for:
Scored or worn cams and bearing surfaces.
Damaged oil pump gear.
Damaged threads or key-way.
Worn thrust surfaces.
Dimensional tolerances in Table 4-12.
Table 4-12. Camshaft Tolerances.
Dimension
Minimum
Maximum
Bearing journal
2.0510 inches (52.0954 mm) 2.0540 inches (52.1716 mm)
diameter - all
Lobe diameter - base 1.7100 inches (43.4340 mm) 1.7250 inches (43.8150 mm)
t o t ip
Journal run-out in
0.0140 inches (0.3556 mm)
vee blocks
Bearing clearance
0.0010 inches (0.0254 mm)
0.0060 inches (0.1524 mm)
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