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TM 5-4210-220-34
3-8.
ENGINE - Continued
REMOVAL
(1)
Remove the capscrews (2) that secure the nut retaining plates (3) to the camshaft gears (1 and 4), then
remove the retaining plates.
(2)
Wedge a clean rag between the lower face of the camshaft gears (1 and 4) and remove the gear retaining
nuts (5) from both ends of each camshaft. On the front camshaft gears, remove the internal tooth
lockwashers after removing the retaining nuts (5).
(3)
Attach puller J24420-A to the camshaft pulley (8) and position adapter J7932 between the end of the
camshaft (7) and the puller screw. Tighten the puller pressure screw and remove the pulley. Remove puller.
(4)
Attach puller J24420-A to the water pump drive gear (9) and position adapter J7932 between the end of the
camshaft (6) and the puller screw. Tighten the puller pressure and remove the water pump driver gear.
Remove the puller.
(5)
Remove the woodruff key (10) and spacer (11) from the front end of each camshaft (6 and 7).
(6)
Remove all of the camshaft intermediate bearing lockscrews (1 2) from the top of the cylinder block.
(7)
Rotate the camshaft gears (1 and 4) as necessary to reveal the camshaft rear end bearing retaining bolts
(13). Remove all the retaining bolts (13) and lockwashers (14).
(8)
Withdraw camshaft (6), bearing (15), thrust washers (16), and gear (4) from the cylinder block.
(9)
Withdraw camshaft (7), bearing (15), thrust washers (16) and gear (1) from the cylinder block.
(10)
Remove the camshaft front end bearing retaining bolts (13) and washers (14). Then withdraw the bearings
(15) from the cylinder block. If necessary, use a small pry bar under the bearing flange. Remove all traces of
gasket (17) from the bearing or front end plate.
DISASSEMBLY
NOTE
Prior to dismantling any components, visually examine the camshaft to determine whether or not camshaft is
serviceable. Refer to INSPECTION following for measurement tolerances.
(1)
Using puller J1902-01 remove the gear (1) from the camshaft (7).
(2)
Remove the woodruff key (10).
(3)
Slide the camshaft rear end bearing (15) and thrust washers (16) off the camshaft (7)
(4)
Remove the lock rings (19) from the camshaft intermediate bearings (18), thus releasing the two bearing
halves from the camshaft.
3-155
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