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 TM 55-1930-208-24
e.
Installation.
(1)
Refer to figure 3-89 and lubricate the camshaft end bearing (30) and balance shaft end bearing (31)
with lubricating oil (item 12, Appendix C).
(2)
Install the camshaft end bearing (30) and the balance shaft end bearing (31).
(3)
Press the gear (20) and key (24) on the camshaft (21).
(4)
Press the gear (22) and key (25) on balance shaft (23).
(5)
Lubricate the intermediate bearing journals and the intermediate bearing (33) with lubricating oil (item
12, Appendix D).
(6)
Install the intermediate bearings (33) and lock into place with the lock rings (32). Be sure the lock ring
gap is centered on the upper bearing.
(7)
Install the balance weight (27) to the gear (20) and secure with two screws (26).
(8)
Install the balance weight (29) on the gear (22) and secure with two screws (28).
(9)
Install the camshaft (21) with attached gear (20).
(10) Secure the bearing (30) to the block with three screws (7) and three lockwashers (8).
(11) Install the balance shaft (23) with the attached gear (22) and make sure that the timing marks on the
gear align with the timing marks on the camshaft gear and idler gear.
(12) Secure the bearing (31) to the block with three lockwashers (10) and three screws (9).
(13) Tighten bolts (7 and 9) to 35-40 lb-ft (47-54 Nm).
(14) Lubricate the thrust washers (18 and 17) and the bearing (16 and 15) with lubricating oil (item 12,
(15) Install thrust washer (18) and front bearing (16). Secure with three lockwashers (14) and three screws
(13). Tighten screws to 35-40 lb-ft (47-54 Nm).
(16) Install thrust washer (17) and front bearing (15). Secure with three lockwashers (12) and three screws
(11). Tighten screws to 35-40 lb-ft (47-54 Nm).
(17) Install front balance weights per paragraph 3-41.
3-149
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