TM 9-2320-260-34-2
16-21. BOOM REPAIR (M816)
THIS TASK COVERS:
a. Removal
c. Assembly
b. Cleaning, Inspection, and Repair
INITIAL SETUP
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
Antiseize tape (Appendix C, Item 50)
M816
GM grease (Appendix C, Item 14)
TOOLS
REFERENCES (TM)
General mechanic's tool kit
TM 9-237
(Appendix B, Item 1)
1-1/2-in. open-end wrench
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
Spanner wrench (Appendix B, Item 136)
Inner boom removed (para. 16-19).
MATERIALS/PARTS
GENERAL SAFETY INSTRUCTIONS
Twelve Iockwashers (Appendix D, Item 219)
q All personnel must stand clear during lifting
Six lockwashers (Appendix D, Item 218)
operations.
Four locknuts (Appendix D, Item 177)
q Ensure lifting capacity is greater than weight of
Four locknuts (Appendix D, Item 192)
hoist winch.
Two cotter pins (Appendix D, Item 49)
Remove two nuts (4), washers (2), and floodlight (3) from boom (l).
1.
NOTE
q Upper and lower boom rollers are removed the same. Step 2 is
for the upper boom roller.
q Assistant will help with step 2.
Remove six screws (5), Iockwashers (6), and boom roller (7) from boom (1). Discard Iockwashers (6).
2.
NOTE
Both level wind rollers are removed the same. Steps 3 through 5
cover the removal of one level wind roller.
Remove four locknuts (14), screws (13), two hangers (9), and level wind roller (10) from boom (1).
3.
Discard locknuts (14).
Remove grease fitting (12) from shaft (11).
4.
Remove cotter pin (8), two hangers (9), and level wind roller (10) from shaft (11). Discard cotter
5.
pin (8).
16-124
