CRANE - EXTENSION CYLINDER ASSEMBLY

TM 5-5420-279-23

CRANE - EXTENSION CYLINDER ASSEMBLY

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

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

Shop Equipment Automotive maintenance and Repair Common No 1

Materials Required

Grease (As required)

Lock washer (Qty 1)

Equipment Conditions

Set crane in preferred position for maintenance;

see maintenance procedure 6-069

WARNING

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

EXTENSION CYLINDER ASSEMBLY ALWAYS ENSURE THAT THE WEIGHT OF

THE EXTENSION CYLINDER ASSEMBLY IS SUPPORTED.

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE SYSTEM MUST BE

DE-PRESSURIZED BEFORE CARRYING OUT ANY WORK ON THE EXTENSION

CYLINDER ASSEMBLY.

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE EXTENSION

CYLINDER ASSEMBLY MUST BE DE-PRESSURIZED.

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

EXTENSION CYLINDER ASSEMBLY REPLACEMENT PROCEDURE.