TM 10-4320-307-24
4-15
CAMSHAFT ASSEMBLY INSPECT/REPAIR/REPLACE (CONT).
INSTALLATION:
1.
Install four camshaft pilots (1) over outer base circle of
valve lobes (2) between camshaft journals (3), using
rubber bands to secure in place.
NOTE
The rubber band must straddle valve lobe.
2.
Apply a thin film of grease to camshaft journals (3) and
camshaft bushings in cylinder block (4).
3.
Install camshaft (5) into cylinder block (4), rotating
camshaft (5) slowly as it enters block.
4.
Align the O mark on camshaft gear (6) with O mark on
crankshaft gear (7), and push camshaft in until thrust
washer (8) fits against cylinder block (4).
5.
Remove camshaft installation pilots (1), being careful
not to drop rubber bands into cylinder block (4).
NOTE
Backlash needs to be checked only if a new
gear has been installed.
6.
Check camshaft gear backlash in accordance with
inspection procedure in this paragraph. Backlash must
be between 0.002 and 0.020 Inch (0.05 and 0.50 mm).
7.
Install gear cover assembly in accordance with
paragraph 4-14.
8.
Install cam followers in accordance with paragraph 3-
34.
4-112
