TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-37. OUTRIGGER EXTENSIONS REMOVAL/INSTALLATION.
This task covers:
a. Removal (M985)
d. Installation (M977)
b. Installation (M985)
e. Follow-on Maintenance
c. Removal (M977)
INITIAL SETUP
Models
Equipment Condition
M977,
M985
TM or Para
Condition Description
Test Equipment
TM 9-2320-279-20 Outrigger fully extended.
None
Para 17-36
Outrigger leg cylinder
Special Tools
removed.
TM 9-2320-279-20 Fenders removed (M985
None
only).
Supplies
TM 9-2320-279-20 Outrigger pads removed
Grease, automotive and artillery, Item 34,
(M985 only).
Appendix C
Special Environmental Conditions
Personnel Required
None
MOS 63W, Wheel vehicle repairer
General Safety Instructions
References
None
None
Level of Maintenance
Direct Support
a. Removal (M985).
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
NOTE
Right and left extensions are removed the same way.
Remove two nuts (1) from fittings (2).
Remove two fittings (2) from hoses (3).
Remove two screws (4), washers (5), and pin (6).
Mark two stop blocks (7) and remove eight screws (8) and two stop blocks.
Attach suitable lifting device.
Remove extension No. 1 (9).
Mark two stop blocks (10) and remove six screws (11) and two stop blocks.
Attach suitable lifting device.
Remove extension No. 2 (12).
17-162.4
