TM 5-2590-512-13&P
SECTION V. UNIT MAINTENANCE PROCEDURE
4-30. Elbow Replacement.
This task covers:
a. Removal
b. Installation
Initial Setup
Tools:
Equipment Conditions:
General Mechanic's Tool Kit
Front Safety Cover Removed (para. 4-17).
5180-00-177-7033.
Materials and Parts:
Thread Sealant, Tags.
a. Removal
CAUTION
Use two wrenches to loosen or
tighten fittings. When installing,
start fittings by hand to avoid cross
threading or stripping fittings.
1.
Remove nut (1) from bracket (2). Remove
upper and lower bracket (2) and bolt (8).
2.
Tag and remove two hydraulic hoses (3)
from elbow (4).
3.
Loosen slip fittings (5) on elbows (4). 4.
Remove elbows (4) from hydraulic motor
(6). Catch any spilled fluid with rags.
b. Installation
1.
Inspect preformed packing (7) on elbows
(4). Replace from shop supply source if
damaged or flattened.
2.
Apply sealant on threads and install elbows
(4) into threaded ports on hydraulic motor
(6). Hand start, then tighten elbow slip nuts
(5).
3.
Refer to tags and install hydraulic hose (3)
to elbow (4).
4.
Install bolt (8) thru lower hose bracket.
Position to rear of hoses and install upper
bracket (2), and nut (1). Tighten nut to 7-11
Ib.ft. (9-15 N.m).
FOLLOW ON TASKS
Install Front Safety Cover (para 4-17).
END OF TASK
4-31
