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TM 5-5420-279-23
CRANE - JIB HOUSING
This task covers:
a. Remove
b. Install
INITIAL SETUP:
Tools Required
Equipment Conditions
Tool Kit, General Mechanic's,
None
Automotive (GMTK)
Materials Required
Thread locking compound, loctite 243
Personnel Required
Two
WARNING
SLIP AND FALL INJURY. PERSONNEL MAY SLIP ON SPILLED HYDRAULIC
FLUID. SUITABLE CONTAINERS AND FLUID ABSORBENT MATERIALS ARE TO
BE USED TO CONTAIN SPILLAGE.
a.
Remove
(1)
Remove the jib extension cylinder assembly. See direct support maintenance procedure
6-053.
(2)
Remove the bolts (8) and washers (9).
(3)
Remove the spacer plates (6) and plate mountings (7).
(4)
Remove the jib extension assembly.
(5)
Disconnect the hydraulic hose mountings and electrical cable mountings on the side of the
boom jib.
(6)
Disconnect the jib cylinder assembly. See direct support maintenance procedure 6-051.
(7)
Remove the lever remote control. See direct support maintenance procedure 6-063.
(8)
Remove the pivot pin between the boom and the boom jib assembly. See direct support
maintenance procedure 6-057. Retain bushes (2), spacer (3) and grease fitting (4).
(9)
Remove the jib housing.
(10)
Check all threaded components for wear and damage.
(11)
Check the bushes (2) and spacer (3) for wear and damage.
(12)
Check the boom jib for cracking, corrosion and damage.
(13)
Check the spacer plates (5 and 6) and plate mountings (7) for wear and damage.
(14)
Replace components as necessary.
Change 1 6-189

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