TM 9-2320-366-34-3
16-34. M1089 BOOM FLY SECTION REPLACEMENT/ADJUSTMENT
This task covers:
a. Removal
b. Cleaning/Inspection
c. Installation
d. Adjustment
e. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Boom positioned over rear of vehicle with
boom mid section fully extended and boom fly
section partially extended (TM 9-2320-366-10-2).
Hook block assembly removed (TM 9-2320-366-20-
5).
Boom sheave removed (TM 9-2320-366-20-4).
Batteries disconnected (TM 9-2320-366-20-3).
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Sling, Cargo (Item 56, Appendix B)
Gloves, Rubber (Item 26, Appendix B)
Tools and Special Tools (Cont)
Goggles (Item 28, Appendix B)
Materials/Parts
Rope, Fibrous (Item 62, Appendix C)
Grease, Ord, Extreme Pressure (Item 38, Appendix
C)
Sealing Compound (Item 76, Appendix C)
Pin, Cotter (4) (Item 325, Appendix F)
Rag, Wiping (Item 60, Appendix C)
Solvent, Dry Cleaning (Item 83, Appendix C)
Personnel Required
(2)
a. Removal.
CAUTION
Overload shutdown cable is on a tension reel.
Allow cable to rewind slowly. Failure to comply
may result in damage to equipment.
(1) Disconnect overload shutdown cable eye (1) from screw
(2).
(2) Remove four cotter pins (3) from two shafts (4) Discard
cotter pins.
(3) Remove two shafts (4) from telescopic cylinder (5).
(4) Loosen jam nut (6) on setscrew (7).
(5) Loosen setscrew (7) on outer end of boom mid section
(8).
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