CRANE - SUPPORT ASSEMBLY CRANE

TM 5-5420-279-23

6 - 055

CRANE - SUPPORT ASSEMBLY CRANE

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

Tool Kit, General Mechanic's, Automotive (GMTK)

Materials Required

Thread locking compound, loctite 243

Personnel Required

Two

Equipment Conditions

Seat deployed

Remove

(1)

Remove the crane form the vehicle and place on a suitable working surface. See direct

support maintenance procedure 6-045.

(2)

Remove the lift cylinder. See direct support maintenance procedure 6-050.

(3)

Remove the rotate hydraulic coupling assembly. See direct support maintenance

procedure 6-046.

(4)

Remove the rotate gear. See direct support maintenance procedure 6-047.

(5)

Disconnect the pipes for the rotate lubrication system (2) at the crane column (1).

(6)

Remove the crane stabilizer legs. See unit maintenance procedure 5-147.

(7)

Remove the crane stabilizer extensions. See direct support maintenance procedure 6-049.

(8)

Remove the bolts (4) and washers (3) securing the crane column (9) to the support

assembly crane (6).

(9)

Remove the crane column (9) complete with the jib cylinder and crane extension cylinders.

(10)

Remove the bolts (8) and washers (7) securing the bearing rotate ring (5) to the support

assembly crane (6).

(11)

Remove the bearing rotate ring (5) complete with rotate lubrication system (2) from the

support assembly crane (6).

(12)

Check all treaded components for damage and wear.

(13)

Check the rotate lubrication grease fittings, pipes and unions for damage.

(14)

Check the bearing rotate gear for damage and wear.

Change 1 6-171