TM 9-2320-387-24-2
28-17. CONTROL VALVE AND ACCUMULATOR HOUSING REPAIR
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Gasket set kit (Appendix G, Item 104)
Seal (Appendix G, Item 382)
Two seals (Appendix G, Item 383)
O-ring (Appendix G, Item 269)
Petrolatum (Appendix C, Item 52)
Manual References
TM 9-2320-387-24P
Equipment Condition
Transmission disassembled into subassemblies
(para. 28-3).
Maintenance Level
General support
This task covers:
a. Accumulator Housing Cleaning
e.
Control Valve Inspection
b. Accumulator Housing Disassembly
f.
Control Valve Assembly
c.
Control Valve Disassembly
g. Accumulator Housing Inspection
d. Control Valve Cleaning
h. Accumulator Housing Assembly
CAUTION
Do not use a honing stone, fine sandpaper, or crocus cloth to clean
a valve. Use micro-fine lapping compound 900 grit (J 384-59).
NOTE
Work area should be well-ventilated, clean, and free from blowing
dirt and dust.
1.
Clean control valve assembly (8) and accumulator housing (2) thoroughly in solvent.
2.
Air-dry control valve assembly (8).
1.
Remove six capscrews (1) from accumulator housing (2) and control valve assembly (8).
2.
Remove accumulator housing (2), gasket (4), and springs (3) and (9) from control valve
assembly (8). Discard gasket (4).
3.
Remove gasket (5), spacer plate (6), and gasket (7) from control valve assembly (8). Discard
gaskets (7) and (5).
4.
Remove snapring (10) and fourth clutch piston assembly (15) with pin (16) from housing (2).
NOTE
Perform step 5 for 1995-1996 transmissions only.
5.
Remove snapring (17) and pin (16) from fourth clutch piston (15).
6.
Remove seal (14) from fourth clutch piston (15). Discard seal (14).
7.
Remove third clutch piston (12) from housing (2).
8.
Remove seals (11) and (13) from third clutch piston (12). Discard seals (11) and (13).
b. Accumulator Housing Disassembly
a. Accumulator Housing Cleaning
28-60
Change 1
