HYDRAULIC SYSTEM - LAUNCH FRAME PILOT MANIFOLD VALVES

TM 5-5420-279-23

5 - 130 HYDRAULIC SYSTEM - LAUNCH FRAME PILOT MANIFOLD VALVES

This task covers:

Remove sequence valve

Install sequence valve

Remove pressure reducing valve

Install pressure reducing valve

INITIAL SETUP:

Tools Required

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

Allen Key Set

Materials Required

Thread locking compound, loctite 243

Seals (As required)

Equipment Conditions

A-Frame deployed and launch frame guards removed; see operator's manual

TM 5420-2789-10

WARNING

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE SYSTEM MUST BE

DE-PRESSURIZED BEFORE CARRYING OUT ANY WORK 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 is applicable for removing and installing the 580 PSI (4000 kPa) pressure

reducing valve (2), 363 PSI (2500 kPa) pressure reducing valve (5), and sequencing valve

(6) fitted to the launch frame pilot manifold assembly (1).