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Page Title:
TRANSMISSION OIL PUMP MAINTENANCE - continued |
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 TM 9-2320-386-24-1-2
0374 00
TRANSMISSION OIL PUMP MAINTENANCE (Contd)
DISASSEMBLY
1.
Remove four screws (1) and washers (9) from oil pump (3).
2.
Remove five screws (8) from front support (7).
3.
Separate oil pump (3) from front support (7).
4.
Remove pump drive gear (4), pump drive gear (5), and seal ring (6) from oil pump (3). Discard seal
ring (6).
5. Remove oil seal (2) from oil pump (3). Discard oil seal (2).
WARNING
Main-pressure regulator and valve lockup springs are under
spring compression. Do not remove retainer ring or lower pin
until remover/installer is in place, as springs will fly out causing
injury.
6. Install main-pressure regulator remover/installer on front support (7). Tighten screw of remover/
installer to compress spring stop (13) against spring (12).
7. Loosen remover/installer screw and remove retaining ring (14), spring stop (13), spring (12), and
main-pressure regulator (11) from valve bore (15) of front support (7).
8. Remove main-pressure regulator remover/installer.
NOTE
Perform steps 9 and 10 for AT1545P transmissions only.
9. Compress spring stop (17) against spring (18).
10. Remove dowel pin (10), spring stop (17), spring (18), and lockup valve (19) from lockup valve
bore (16) of front support (7).
Change 1
0374 00-4
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