TRANSMISSION OIL PUMP MAINTENANCE - continued

TM 9-2320-386-24-1-2

0374 00

TRANSMISSION OIL PUMP MAINTENANCE (Contd)

ASSEMBLY

NOTE

Perform steps 1 through 3 if plug and bearing were removed

previously.

Position lettered end of new bearing (4) up on stator hub (5).

Using bearing installer and driver handle, press bearing (4) into stator hub (5) to a depth of 0.595-

0.615 in. (15.11-15.62 mm) from end of stator hub (5).

Install plug (2) in oil passage port (1).

NOTE

Perform steps 4 and 5 for AT1545P transmissions only.

Install lockup valve (15), spring (14), and spring stop (13) in lockup valve bore (12) of front

support (3).

Compress spring stop (13) against spring (14), and install dowel pin (6).

Install main-pressure regulator valve (7), spring (8), and spring stop (9) in regulator valve bore (11)

of front support (3).

Install main-pressure regulator remover/installer on front support (3). Tighten screw of

remover/installer to compress spring stop (9) against spring (8).

Install snapring (10) in regulator valve bore (11), loosen screw of remover/installer, and remove

main-pressure regulator remover/installer from front support (3).

Install new oil seal (17) on seal installer and install oil seal (17) on oil pump (18), with lip facing

inward.

10.

Apply lubricating oil to drive gear (19), drive gear (20), and new seal ring (21).

11.

Install seal ring (21) on oil pump (18).

12.

Install drive gear (19) on oil pump (18), with internal tangs facing upward.

13.

Install drive gear (20) on drive gear (19), with diamond-marked side facing downward.

14.

Position oil pump (18) on front support (3), stator shaft (24), and spur gear (23), align holes, and

install with five screws (22), six washers (25), and screws (16). Tighten screws (22) and (16)

15-20 lb-ft (20-27 Nm).

Change 1

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