CRANE - EXTENSION CYLINDERS

TM 5-5420-279-23

CRANE - EXTENSION CYLINDERS

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

Extension cylinders depressurized

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 CYLINDERS ALWAYS ENSURE THAT THE WEIGHT OF THE

EXTENSION CYLINDER UNDER REPAIR IS SUPPORTED.

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE SYSTEM MUST BE

DE-PRESSURIZED BEFORE CARRYING OUT ANY WORK ON THE EXTENSION

CYLINDERS.

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 CYLINDERS REPLACEMENT PROCEDURE.

6-168