TM-9-2350-238-34-2

CRANE (CAB) COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

APRIL 1992

TM-9-2350-238-34-2 - Page 177 of 327

TM 9-2350-238-34-2

2-37. MAINTENANCE OF PRESSURE RELIEF VALVE (CONT).

DISASSEMBLY

Disassembly and reassembly of

valves should be performed in a

clean, dry, dust free area to prevent

entry of foreign matter.

NOTE

These procedures are written and il-

lustrated for pressure relief valve

(PN12253780). If your unit has a

damaged pressure relief valve (PN

10922199), order pressure relief

valve

(PN12253780)

in

accordance

with TM 9-2350-238-24P-2.

3 Remove spring seat (9), preformed pack-

ing (10), poppet spring (11), and poppet

(12) from pilot cap (13).

4 Remove four socket capscrews (14) and

cover cap (15) from pressure relief valve

body (5).

5 Remove preformed packing (16) and

preformed packing (17) from cover cap

(15).

6 Remove filter disc (18), filter disc adapter

(19), spool (20), and spool spring (21)

from pressure relief valve body (5).

1 Remove check spring plug (1), preformed

7 Remove four socket capscrews (22) and

packing (2), valve spring (3), and check

pilot cap (13) from pressure relief valve

body (5).

valve (4) from pressure relief valve body

(5)

8 Remove two preformed packinqs (23) and

2 Remove hexagon plain nut (6), adjusting

preformed packing (24) from pilot cap

(13).

screw (7), and using retaining ring pliers,

remove adjusting screw retainer (8).

2-164