Installation-continued - TM-9-2815-224-34-P0240

TM 9-2815-224-34&P

Oil System Maintenance Instructions (Cont)

[8-4. OIL PUMP REMOVAL/INSTALLATION (CONT).

(11) Install two shims (26).

(12) Position oil pump (13) on engine (27).

(13) Install four lockwashers (28) and nuts (29).

NOTE

Each 0.005-in (0.13 mm) shim changes gear backlash 0.0035-in. (0.088 mm).

Backlash should be 0.006 to 0.012-in (0. 15 to 0.030 mm),

(14) Measure backlash between crankshaft gear (30) and oil pump drive gear (1) with dial indicator.

Install same number and thickness of shims (26) under pump (13) to obtain correct backlash.

(15) Loosen two nuts (18).

(16) Install two screws (31) and

lockwashers (32). Tighten

screws finger tight.

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