TM 5-1940-322-24
0158 00
CAMSHAFT, CAM GEAR, AND CAM BUSHING MAINTENANCE (Contd)
CLEANING AND INSPECTION (Contd)
11. Inspect camshaft (4) for obvious damage and excessive wear.
12. Measure peaks of all camshaft valve lobes in two places. Minimum measurements are 1.787 in.
(4.540 cm) for intake camshaft valve lobes and 1.777 in. (4.514 cm) for exhaust camshaft valve lobes.
Replace camshaft if not within limits.
13. Measure camshaft bearing journals in four places. Minimum measurement is 2.1245 in. (5.396 cm)
and maximum measurement is 2.1265 in. (5.401 cm). Replace camshaft if not within limits.
14. Measure camshaft fuel transfer pump lobe. Minimum measurement is 1.398 in. (3.550 cm) and
maximum measurement is 1.428 in. (3.626 cm). Replace camshaft if not within limits.
1
3
2
2
2
1
3
OIL HOLE
4
4
CAMSHAFT
LOBE
CAMSHAFT JOURNAL
AND FUEL TRANSFER
PUMP LOBE
0158 00-5
