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TM 5-4210-220-34
3-8.
ENGINE Continued
3-8.5 Balance Weight Cover - Continued
c.
Camshaft Pulley Removal
(1)
Remove the fan clutch support by removing the four mounting capscrews and lockwashers. These
capscrews are two different sizes and lengths. Note location to ensure proper assembly.
(2)
Drain oil from engine crankcase into a suitable container.
(3)
Remove the oil pan as detailed in para. 2-19.11.
(4)
Block the crankshaft between the crankshaft throw and the cylinder block to prevent rotation of the engine
and then loosen the retaining nut (1) at the front end of the camshaft (6).
(5)
Remove nut (1) and internal tooth lockwasher (2) from the front end of the camshaft (6).
(6)
Attach puller J24420-A to the camshaft pulley. Use adapter J7932 between the end of the camshaft and the
puller screw to protect the end of the camshaft (6). Tighten the puller screw and remove the camshaft pulley
(3).
(7)
Remove the woodruff key (7) and the spacer (4) from the end of the camshaft (6).
d.
Camshaft Pulley Bearing and Seal Removal
(1)
Remove camshaft pulley as detailed in c. preceding.
(2)
Remove the camshaft front end bearing retaining capscrews (12) and lockwasher (11). Then, withdraw the
bearing (10) from the cylinder block. If necessary, use a small pry bar under the bearing flange.
(3)
Remove gasket (9) from front end plate (8) and bearing flange (10).
(4)
While supporting the bearing (10) on two blocks of wood, drive seal (5) from bearing using a hammer and a
punch.
(5)
Examine the spacer (4) used on the front end of the camshaft. The outside diameter must have a smooth
sealing service. Replace as necessary.
3-132
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