M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
TM 9-2320-279-34-3
17-10.1. BOOM REMOVAL/INSTALLATION (M984E1).
This task covers:
a. Removal
c. Installation
b. Cleaning/Inspection
d. Follow-on Maintenance
INITIAL SETUP
Models
Equipment Condition
M984E1
TM or Para
Condition Description
Test Equipment
TM9-2320-279-10 Outrigger extended.
None
Para 6-12.1
Overload sensor switches
Special Tools
disconnected.
TM 9-2320-279-10 Hook block released.
None
TM 9-2320-279-10 Raise boom 15°.
Supplies
Special Environmental Conditions
Compound, sealing and thread locking,
None
Item 26, Appendix C
General Safety Instructions
Personnel Required
None
MOS 63W, Wheel vehicle repairer (2)
Level of Maintenance
References
Direct Support
None
a. Removal.
(1) Attach suitable lifting device to boom (1).
(2) Disconnect hydraulic hose (2) from line (3).
(3) Remove two screws (4), spacers (5), and four clamp halves (6).
(4) Move line (3) to clear cylinder (7).
17-56
Change 2
