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TM 5-2420-222-34
3-21. ENGINE OIL PUMP MAINTENANCE (Con’t).
2.
Install oil pump housing (7) and assembled parts on cylinder block plate (1).
3.
Position spur gear (4) on drive shaft (6) with timing slash-mark alined with crankshaft (14). Tap spur gear onto
drive shaft until seated.
4.
Using timing alinement tool, ensure that timing slash-mark on spur gear (4) is alined with crankshaft (14).
5.
Wedge a clean rag between spur gear (4) and left control cam spur gear (3). Install jamnut (5) on spur gear (4)
and drive shaft (6). Torque jamnut to 35-45 lb.-ft. (47-61 N•m). Stake jamnut to drive shaft. Remove rags.
6.
Install oil pump cover (8) and oil pump assembly tube (12) on oil pump housing (7) with screw holes and match-
marks alined.
7.
Install two screws (11), two screws (13), and four new lockwashers (10) in oil pump assembly tube (12), oil pump
cover (8), oil pump housing (7), and cylinder block plate (1). Torque screws to 35lb.-ft. (47 N•m.
FOLLOW-ON TASKS:
•
Install engine oil pan (see paragraph 3-20).
•
Time engine (see paragraph 3-16).
•
Install timing gear cover (see paragraph 3-18).
TA701302
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