CRANE - JIB HOUSING

TM 5-5420-279-23

6 - 061

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.

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