CRANE - BOOM CRANE

TM 5-5420-279-23

6 - 057

CRANE - BOOM CRANE

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

Personnel Required

Tool Kit, General Mechanic's,

Two

Automotive (GMTK)

Equipment Conditions

Materials Required

None

Thread locking compound, loctite 243

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 cylinder lever remote control assembly. See direct support maintenance

procedure 6-062.

(2)

Retain front bushes (7) and spacer (8).

(3)

Remove bolts (4), plate retaining (3) and spacer (2).

(4)

Remove shaft (1).

(5)

Remove the jib boom extension assembly. See direct support maintenance procedure

6-062.

(6)

Remove the set screws (12) and stops mechanical (11).

(7)

Support the weight of the jib cylinder.

(8)

Remove rod (10).

(9)

Remove the jib cylinder. See direct support maintenance procedure 6-051.

(10)

Remove rod (9).

NOTE

The lift cylinder lever remote control is attached to the boom by rod (9)

(11)

Remove the lift cylinder lever remote control assembly. See direct support maintenance

procedure 6-063.

(12)

Release the hydraulic lines (18 through 22) and electrical cables from the boom by

removing bolts (15, 17 and 25).

6-178 Change 1