TM-9-2320-260-34-1
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 1 OF 2
JULY 1994
TM-9-2320-260-34-1 - Page 622 of 657
TM 9-2320-260-34-1
11-5. AIR COMPRESSOR REPAIR
THIS TASK COVERS:
a. Disassembly
c. Inspection and Repair
b. Cleaning
d. Assembly
INITIAL SETUP
APPLICABLE MODELS
All
TOOLS
Mounting plate (Appendix B, Item 12)
Depth micrometer (Appendix B, Item 16)
Outside micrometer (Appendix B, Item 8)
Inside micrometer (Appendix B, Item 9)
Telescoping gage set (Appendix B, Item 74)
Spring tester (Appendix B, Item 10)
Dial indicator (Appendix B, Item 11)
Mechanical puller (Appendix B, Item 14)
Ring compressor (Appendix B, Item 15)
Arbor press (Appendix B, Item 7)
Vise (Appendix B, Item 38)
Dial bore gage (Appendix B, Item 156)
MATERIALS/PARTS
Gasket and preformed packing set
(Appendix D, Item 484)
Six lockwashers (Appendix D, Item 247)
Lubricating oil (Appendix C, Item 21)
Drycleaning solvent (Appendix C, Item 48)
REFERENCES (TM)
TM 9-2320-260-34P-1
EQUIPMENT CONDITION
Air compressor removed (para. 11-3).
GENERAL SAFETY INSTRUCTIONS
l Keep fire extinguisher nearby when using
drycleaning solvent.
l Compressed air source will not exceed 30 psi
(207 kPa).
l Eyeshields must be worn when cleaning with
compressed air.
a. Disassembly
1.
2.
3.
4.
5.
6.
NOTE
On late models, many lockwashers have been replaced by screw-
assembled lockwashers.
Install mounting plate on air compressor (7) with two screws (6).
Position mounting plate and air compressor (7) in vise.
Remove two screws (8), lockwashers (1), washers (2), air inlet connection (3), and gasket (4) from
cylinder head cover (5). Discard gasket (4) and lockwashers (1).
Remove two screws (14), washers (13), unloader valve (9), unloader valve spring (10), intake
valve (11), and intake valve spring (12) from cylinder head cover (5).
Remove unloader valve cap (18) and preformed packings (16) and (17) from unloader valve body (15).
Discard preformed packings (16) and (17).
Remove intake valve seat (20) and valve disc (19) from intake valve (11).
11-10
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