Figure 3-98. Oil Pump, Disassembly/Reassembly.

TM 55-1930-208-24

3-47. OIL PUMP - Continued.

b. Disassembly. (Refer to figure 3-98).

(1) Remove four screws (1), four lockwashers (2), and cover (3) from oil pump body.

(2) Remove drive gear (4), driven gear (5) bushing (6), and shaft (7).

(3) Position cover (3) in an arbor press and press out bushings (8).

(4) Remove two screws (9), two lockwashers (10), cover (11), and gasket (12). Discard gasket (12).

(5) Remove two plugs (13), two gaskets (14), spring (15), and relief valve (16).

(6) Remove two screws (17), two lockwashers (18), cover (19), and gasket (20). Discard gasket (20).

(7) Straighten the tab of lockwasher (22) and remove bolt (21), lockwasher (22), pin (23), washer (24) and idler

gear (25). Press bushing (26) from gear (25).

(8) Clamp pump body in a vise, use a puller and remove drive gear (27).

(9) Remove bolt (28) and idler gear support (29) from pump body (33). Remove pin (30) from idler gear support

(29).

(10)

Remove two keys (31) and shaft (32) from pump body (33). Press bushing (34) from pump body (33).

Figure 3-98. Oil Pump, Disassembly/Reassembly.

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