HYDRAULIC SYSTEM - STACK VALVE

TM 5-5420-279-23

5 - 120 HYDRAULIC SYSTEM - STACK VALVE

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

Seals (As required)

Equipment Conditions

Access to valve manifold

Vehicle switched off and battery shutoff switch in the off position

WARNING

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE SYSTEM MUST BE

DE-PRESSURIZED BEFORE CARRYING OUT ANY WORK ON THE HYDRAULIC

SYSTEM.

SLIP AND FALL INJURY. PERSONNEL MAY SLIP ON SPILLED HYDRAULIC

FLUID. SUITABLE CONTAINERS AND FLUID ABSORBENT MATERIALS ARE TO

BE USED TO CONTAIN SPILLAGE.

NOTE

This procedure details a typical removal and installation procedure for a stack valve fitted

to the A-Frame Rotate Manifold.

The procedure may be applied to any stack valve, however the individual stack valve

arrangements are shown, in detail, in the manufacturers drawings (Appendix F) for each

hydraulic manifold block.

5-366 Change 1