CRANE - JIB CYLINDER

TM 5-5420-279-23

CRANE - JIB CYLINDER

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

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

Materials Required

Grease (As required)

Equipment conditions

Set crane in preferred position for maintenance

see maintenance procedure 6-069

Vehicle switched off and battery shutoff switch in the off position

WARNING

CRUSH INJURY. TO AVOID INJURY TO PERSONNEL WHEN WORKING ON THE

JIB CYLINDER ALWAYS ENSURE THAT THE WEIGHT OF THE JIB CYLINDER IS

SUPPORTED.

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE SYSTEM MUST BE

DE-PRESSURIZED BEFORE CARRYING OUT ANY WORK ON THE JIB CYLINDER.

SLIP AND FALL INJURY. PERSONNEL MAY SLIP ON SPILLED HYDRAULIC

FLUID. SUITABLE CONTAINERS AND FLUID ABSORBENT MATERIALS ARE TO

BE USED TO CONTAIN SPILLAGE.

CRUSH INJURY. THE CRANE BOOM MUST BE SUPPORTED THROUGHOUT THE

JIB CYLINDER REPLACEMENT PROCEDURE.

6-157