CRANE - ELECTRICAL HARNESS

TM 5-5420-279-23

CRANE - ELECTRICAL HARNESS

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

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

Materials Required

None

Equipment Conditions

Vehicle switched off and battery shutoff switch in the off position

NOTE

Harnesses supply electrical power to the electrical components in the crane system. Each

harness has one or more of the following types of connectors:

Military plug and socket; (harness to harness, harness to junction box, harness to

interface cabinet, harness to emergency stop, harness to proximity switch).

Spade Connection/plug; (Harness to solenoid valve).

Ground cable; (Harness to ground, Junction box to ground, interface cabinet to ground).

The harnesses are routed between the electrical components along the frame of the crane

system sub-assemblies. The harnesses are secured along their routes with clips and ties.

This procedure can be applied to any harness.

Remove

(1)

Note the position and location of the harness connection being removed.

(2)

To remove the mil plug connections see unit maintenance procedure 5-140.

(3)

To remove the spade connections see unit maintenance procedure 5-141.

(4)

Remove the nuts and bolts to release the ground cable connections where applicable.

(5)

Note the positions of and remove all clips and ties securing the harness to the frame of the

system.

(6)

Remove the harness.

(7)

Check the harness for damage due to chaffing or crushing.

(8)

Check the plugs for damage to the pins, sockets or spade connectors.

(9)

Carry out a continuity check on each cable in the harness. See unit maintenance

procedure 5-142.