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 593 of 863
TM 9-2320-260-34
16-34. CRANE SHIPPER, BOOM, BOOM EXTENSION, AND ROLLERS
MAINTENANCE
(M819)
THIS TASK COVERS:
a. Shipper Removal
b. Boom Extension Removal
c. Boom Removal
d. Extension Cylinder Removal
e. Upper Roller Removal
f. Boom Extension Disassembly
g. Front Lower Roller Disassembly
h. Middle Lower Roller Disassembly
i.
Upper Roller Disassembly
j. Cleaning and Inspection
k.
l.
m.
n.
o.
P.
q.
r.
s.
t.
Repair
Upper Roller Assembly and Adjustment
Middle Lower Roller Assembly
Front Lower Roller Assembly and Adjustment
Boom Extension Assembly
Upper Roller Installation
Extension Cylinder Installation
Boom Installation
Boom Extension Installation
Shipper Installation
APPLICABLE MODELS
M819
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
1-5/8-in. open-end wrench
(Appendix B, Item 126)
1-11/16-in. open-end wrench
(Appendix B, Item 127)
14-in. pipe wrench (Appendix B, Item 129)
Mechanical puller kit (Appendix B, Item .14)
Arbor press (Appendix B, Item 7)
Lifting device
Two chains
Spreader bar
A-frame
Jack stand
MATERIALS/PARTS
Locking Plate (Appendix D, Item 165)
Four cotter pins (Appendix D, Item 18)
Six lockwashers (Appendix D, Item 218)
Nine lockwashers (Appendix D, Item 219)
Eight lockwashers (Appendix D, Item 211)
Shims (Appendix D, Item 492)
Shims (Appendix D, Item 494)
Shims (Appendix D, Item 489)
MATERIALS/PARTS (Contd)
Shims (Appendix D, Item 490)
Cap and plug set (Appendix C, Item
6)
Antiseize tape (Appendix C, Item 50)
PERSONNEL REQUIRED
Two
REFERENCES (TM)
LO 9-2320-260-12
TM 9-237
TM 9-2320-260-10
TM 9-2320-260-20
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
•
Spare tire removed (TM 9-2320-260-10).
. Floodlight and wiring harness removed
(TM 9-2320-260-20).
• Crane cab (Gondola) removed (para. 16-29).
• Cable hoist winch and hoses removed
(para. 16-31).
GENERAL SAFETY INSTRUCTIONS
• All personnel must stand clear during lifting
instructions.
• Ensure lifting capacity is greater than weight of
shipper.
1. Attach chain to
holdboom (1) and boom extension (4) to shipper (2) during removal.
2. Attach chain to shipper (2) and lifting device and take up slack in chain.
3. Disconnect boom supports (3) from shipper (2) (TM 9-2320-260-10).
NOTE
Assistant will help with steps 4 through 18.
4. Lift shipper (2)
to
provide clearance to remove lift cylinder pivot pin (9).
16-194
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