TM-9-2320-260-34-2
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2
JULY 1994
TM-9-2320-260-34-2 - Page 511 of 863
16-19. INNER BOOM MAINTENANCE (M816)
THIS
TASK COVERS:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning and Inspection
lNITIAL SETUP
APPLICABLE
MODELS
M816
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
Chain sling and spreader bar
(Appendix B, Item 137)
Outside micrometer (Appendix B, Item 8)
Inside micrometer (Appendix B, Item 9)
Jack stand
Lifting device
Chain
Blocking
MATERIALS/PARTS
Eight Iockwashers (Appendix D, Item 223)
Four Iockwashers (Appendix D, Item 224)
Two locknuts (Appendix D, Item 172)
Two cotter pins (Appendix D, Item 46)
Cotter pin (Appendix D, Item 47)
MATERIALS/PARTS (Contd)
Cotter pin (Appendix D, Item 20)
GAA grease (Appendix C, Item 14)
PERSONNEL REQUIRED
Two
REFERENCES (TM)
TM 9-237
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
Boom assembly removed (para. 16-18).
GENERAL SAFETY lNSTRUCTIONS
All personnel must stand clear during lifting
operations.
Ensure lifting capacity is greater than weight of
inner boom.
●
The inner boom must be supported at all times to
prevent unbalancing of boom.
1.
2.
3.
4.
5.
6.
WARNING
●
All personnel must stand clear during lifting operations.
A swinging or shifting load may cause injury or death to
personnel.
Ensure lifting capacity is greater than weight (700 lb (318 kg))
of inner boom. Failure to do so may result in injury to personnel
or damage to equipment.
Attach chain and lifting device on inner boom (2).
Raise inner boom (2) to remove weight from pin (4).
Remove cotter pin (5) and pin (4) from extension cylinder (3) and boom (1). Discard cotter pin (5).
Remove cotter pin (11) and grease fitting (15) from shaft (14). Discard cotter pin (11).
Remove four screws (12), Iockwashers (13), cover (10), shaft (14), and inner boom roller (9) from
boom (1). Discard Iockwashers (13).
Remove eight screws (8), Iockwashers (7), and two stop plates (6) from boom (1). Discard
Iockwashers (7).
16-112
TM 9-2320-260-34-2
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