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TM 5-2420-222-34
3-19. CONTROL CAMS, GEARS, AND BUSHINGS REPLACEMENT (Con’t).
7.
Inspect control cam spur gear for cracks, bends, burrs, and damaged teeth. Remove burrs with sharpening stone.
8.
Inspect all other metal parts for cracks, bends, breaks, and damaged threads. Restore damaged threads using
screw threading set.
d.
ASSEMBLY
1.
Tap woodruff key (14) into position on control cam (9).
2.
Tap control cam spur gear (8), with timing slash-mark facing away, on control cam (9). Using micrometer depth
gage, measure distance control cam spur gear is out of flush with control cam. Distance must not exceed 0.0010
in. (0.0254 mm).
e.
INSTALLATION
NOTE
Perform steps 1 and 2 only If rear bushing
was removed.
1.
Using bearing remover and installer, install rear bushing
(11) from front to rear, ensuring that oil holes are alined.
Lubricate inner surface of rear bushing with engine oil.
2.
Install engine assembly (see paragraph 3-3).
NOTE
Perform step 3 only If bushings were removed.
3.
Using bearing remover and installer, install two bushings
(12 and 13) from front to rear, ensuring that oil holes are
alined. Lubricate inner surface of bushings with engine
oil.
TA701295
3-113
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