TM 9-2320-272-24-2
THIS TASK COVERS:
d. Inspection and Repair
a. Removal
e. Assembly
b. Disassembly
f. Installation and Timing
c. Cleaning
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272-10
M939/A1
TM 9-2320-272-24P
SPECIAL TOOLS
EQUIPMENT CONDITION
Piston ring expander (Appendix E, Item 96)
Air reservoirs drained (TM 9-2320-272-10).
Mounting plate (Appendix E, Item 85)
Left splash shield removed (TM 9-2320-272-10).
Engine barring tool (Appendix E, Item 43)
Fuel pump removed (para. 4-35).
TOOLS
Power steering pump removed (para. 3-236).
General mechanic's tool kit (Appendix E, Item 1)
GENERAL SAFETY INSTRUCTIONS
Torque wrench (Appendix E, Item 146)
Do not disconnect air lines before draining air
Depth micrometer (Appendix E, Item 81)
reservoirs.
Outside micrometer (Appendix E, Item 80)
Drycleaning solvent is flammable and toxic. Do
Inside micrometer (Appendix E, Item 82)
not use near open flame.
Dial bore gauge (Appendix E, Item 136)
Keep fire extinguisher nearby when using
Spring tester (Appendix E, Item 131)
drycleaning solvent.
Dial indicator gauge (Appendix E, Item 36)
Hold down unloader valve assembly during
Ring compressor (Appendix E, Item 32)
removal.
Telescoping gauge (Appendix E, Item 136)
When cleaning with compressed air, wear
Arbor press
eyeshield and ensure source pressure does not
Vise
exceed 30 psi (207 kPa).
Feeler gauge
MATERIALS/PARTS
Twelve lockwashers (Appendix D, Item 364)
Housing support gasket (Appendix D, Item 185)
Four bushings (Appendix D, Item 21)
Repair kit (Appendix D, Item 534)
Repair kit (Appendix D, Item 535)
Gasket (Appendix D, Item 186)
Two screw-assembled lockwashers (Appendix D,
Item 591)
Antiseize compound (Appendix C, Item 10)
Drycleaning solvent (Appendix C, Item 71)
Lubricating oil (Appendix C, Item 50)
Antiseize tape (Appendix C, Item 72)
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
1.
Disconnect coolant outlet line (1) from elbow (5) on air compressor (2) and elbow (15) on engine oil
cooler (16). Discard bushings (14).
2.
Remove elbow (5) from air compressor (2).
4-214
