TM 9-2320-280-34
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
INITIAL SETUP:
Manual References
Applicable Models
TM 9-2320-280-24P
M997A2, M1025A2, M1035A2,
M1043A2, M1045A2, M1097A2, M1123
Equipment Condition
Tools
Transmission disassembled into
subassemblies (para. 17-14).
General mechanic's tool kit:
automotive (Appendix G, Item 1)
Maintenance Level
Materials/Parts
General support
Gasket kit (Appendix E, Item 40)
Preformed packing (Appendix E, Item 184)
Two preformed packings
(Appendix E, Item 185)
Preformed packing (Appendix E, Item 186)
Petrolatum (Appendix B, Item 38)
CAUTION
Do not use a honing stone, fine sandpaper, or crocus cloth to clean
a valve. Use micro fine lapping compound 900 grit (J384-59).
NOTE
Work area should be well-ventilated, clean, and free from blowing
dirt and dust.
a. Accumulator Housing Cleaning
1.
Clean control valve assembly (8) and accumulator housing (2) thoroughly in solvent.
2.
Air dry control valve assembly (8).
b. Accumulator Housing Disassembly
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) from pin (16) on the outside housing, and remove fourth clutch piston
assembly (15) 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 preformed packing (14) from fourth clutch piston (15). Discard preformed packing (14).
7.
Remove third clutch piston (12) from housing (2).
8.
Remove preformed packings (11) and (13) from third clutch piston (12). Discard preformed
packings (11) and (13).
Change 2
