TM-9-2320-366-20-5
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 5 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-5 - Page 40 of 1158
TM 9-2320-366-20-5
17-3. M1084/M1086 BOOM SHEAVE REPLACEMENT
This task covers:
a. Removal
b. Installation
c. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Hoist cable payed out approximately 10 feet (TM 9-
2320-366-10-1).
Engine shut down (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Gloves, Welders (Item 14, Appendix C)
Materials/Parts
Grease, Automotive and Artillery (GAA) (Item 22,
Appendix D)
Sealing Compound (Item 60, Appendix D)
Washer, Key (Item 282, Appendix G)
Personnel Required
(2)
a. Removal.
(1) Remove grease fitting (1) from sheave pin (2).
(2) Straighten tab on key washer (3) from detent in nut (4).
(3) Remove nut (4), key washer (3), and sleeve bushing (5)
from sheave pin (2). Discard key washer.
(4)
Remove screw (6) and washer (7) from lock pin (8).
(5) Remove lock pin (8) from sheave pin (2).
NOTE
Boom sheave contains two roller bearing
assemblies which may fall out. The aid of an
assistant is required to support boom sheave
during removal of sheave pin.
(6) Remove sheave pin (2) and boom sheave (9) from boom
(10) and cable (11).
(7) Remove two roller bearing assemblies (12) from sheave
pin (2).
17-4
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