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 122 of 657
TM 9-2320-260-34-1
3-22. FLYWHEEL HOUSING MAINTENANCE
THIS TASK COVERS:
a. Removal
c. Installation
b. Cleaning and Inspection
d. Adjustment
INITIAL SETUP
APPLICABLE MODELS
All
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
Dial indicator (Appendix B, Item 11)
Dial indicator attachment
(Appendix B, Item 85)
Torque wrench, 1/2-in. dr.
(Appendix B, Item 3)
Soft-head hammer (Appendix B, Item 47)
Electric drill (Appendix B, Item 64)
Drill and reaming fixture
(Appendix B, Item 93)
MATERIALS/PARTS
Nine packings (Appendix D, Item 305)
Nine lockwashers (Appendix D, Item 219)
MATERIALS/PARTS (Contd)
Four screw-assembled lockwashers
(Appendix D, Item 391)
Gasket (Appendix D, Item 75)
Chalk (Appendix C, Item 7)
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-34P-1
EQUIPMENT CONDITION
• Parking brake set (TM 9-2320-260-10).
• Flywheel and gear removed (para. 3-21).
GENERAL SAFETY INSTRUCTIONS
Engine must be supported while performing this
task.
WARNING
Engine must be supported while performing this procedure.
Failure to do so may cause injury to personnel or damage to
equipment.
a. Removal
1. Remove nine screws (7), lockwashers (6), washers (5), and packings (4) from flywheel housing (1).
Discard lockwashers (6) and packings (4).
2. Remove four screw-assembled lockwashers (9) from oil pan (8). Discard screw-assembled
lockwashers (9).
3. Remove flywheel housing (1) from cylinder block (2) and dowel pins (3), using wood block and soft-
head hammer.
4. Remove gasket (10) from flywheel housing (1). Discard gasket (10).
NOTE
Perform step 5 if installing new flywheel housing,
5. Remove two dowel pins (3) from cylinder block (2).
b. Cleaning and Inspection
1.
For general cleaning instructions, refer to para. 2-8.
2. For general inspection instructions, refer to para. 2-9.
3. Inspect two dowel pins (3) for cracks and bends. Measure outside diameter of dowel pins (3) for
wear. Replace dowel pins (3) if removed, damaged, or if outside diameter is less than 0.5005 in.
(12.71 mm).
3-70
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