TM 9-2320-280-34
This task covers:
a. Cleaning
b. Inspection
INITIAL SETUP:
Applicable Models
Equipment Condition
M997A2, M1025A2, M1035A2,
Transmission disassembled into subassemblies
M1043A2, M1045A2, M1097A2, M1123
Tools
Ge___al_Safe_y _n_t____i___
__ ner_ ___ t _ I_s ruct ons
General mechanic's tool kit:
Protective clothing must be used when steam
automotive (Appendix G, Item 1)
cleaning.
Compressed air for cleaning purposes will not
Special Tools
exceed 30 psi (207 kPa).
Seal installer (Appendix G, Item 39)
Manual References
__ai__enance_Level
M _ nt _____ ____
TM 9-2320-280-24P
General support
a. Cleaning
NOTE
Work area should be well-ventilated, clean, and free from blowing dirt and dust.
1.
Remove transmission case (1) from transmission holding fixture.
________
_W__NI___
_ AR _ NG
When steam cleaning, protective clothing must be used. Failure to do this may
cause serious injury.
2.
Thoroughly steam clean transmission case (1).
________
_W__NI___
_ AR _ NG
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use
only with effective chip guarding and personal protective equipment
(goggles/shield, gloves, etc.).
3.
Blow all dirt and cleaning solution from transmission case (1) with compressed air.
b. Inspection
NOTE
For general inspection procedures, refer to para. 2-14.
1.
Inspect all oil passages and bores for cracks, leaks, holes, and burrs. Use soft stone or crocus cloth to
remove burrs.
2.
Use helicoils to repair damaged threads.
3.
Inspect bores for holes or pits as leakage paths. Replace transmission case (1) if holes or pits are
present.
4.
Inspect anchor pins (4) for looseness. Replace anchor pins (4) if damaged or loose.
5.
Inspect internal splines, lugs, and snapring grooves for cracks, breaks, and burrs. Repair minor
burrs. Replace damaged transmission case (1).
6.
Remove retaining ring (7) and replace seal assembly (6) using seal installer.
7.
Inspect plugs (5), cooler fittings (2), and vent pipe (3). Replace damaged parts.
8.
Inspect oil multilip seal (8) for damage. Replace if damaged.
9.
Inspect bolt holes (9) for damage. Replace transmission case (1) if holes (9) are damaged.
Change 1
