TM 9-2320-280-34
This task covers:
a. Disassembly
c. Inspection
b. Cleaning
d. 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
General mechanic's tool kit:
automotive (Appendix G, Item 1)
Maintenance Level
Materials/Parts
General support
Transmission fluid (Appendix B, Item 24)
NOTE
Work area should be well-ventilated, clean, and free from blowing
dirt and dust.
a. Disassembly
1.
Remove retainer clip (12) from pin (9) in servo piston (11).
2.
Remove assist spring (2), accumulator piston (4), spacer (6), rear servo spring (7), and spring
retainer (8) from pin (9).
b. Cleaning
Clean all parts in accordance with para. 2-13.
c. Inspection
1.
Inspect pistons (4) and (11) for cracks, porosity, and damaged seal grooves. Remove minor burrs
and scoring. Replace if damaged.
2.
Inspect rear servo spring (7) and assist spring (2) for breaks and distortion. Replace if damaged.
3.
Inspect pin (9) for cracks, burrs, bends, and chipped or damaged retainer groove. Replace if
damaged.
4.
Inspect outer oil seal (10) for nicks, cuts, or damage. Replace seal (10) if nicked, cut, or damaged.
NOTE
If replacing any seal, coat seal with transmission fluid
(Dexron III).
5.
Inspect inner seal (3) and piston seal (5) for nicks, cuts, or damage. Replace inner seal (3) and
piston seal (5) if nicked, cut, or damaged.
d. Assembly
1.
Install spring retainer (8), rear servo spring (7), spacer (6), and accumulator piston (4) on pin (9).
2.
Install accumulator piston (4) and assist spring (2) into servo piston (11) and install retaining
clip (1) on pin (9).
Change 1
