TM-9-2350-311-34-2
CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-2 - Page 336 of 552
TM 9-2350-311-34-2
6-13 SELECTOR VALVE ASSEMBLY - CONTINUED
b. Inspection
1
Inspect helical compression spring (5). Replace if cracked, distorted, scratched, or tension is weak.
2
Inspect sleeve (9) within body assembly (4). Replace valve assembly body (10) if sleeve is cracked or dis-
torted.
3
Inspect selector valve spool (6). Replace valve body assembly (10) if selector valve spool is cracked or dis-
torted.
c. Assembly
1
2
3
4
NOTE
Coat all internal parts with clean hydraulic fluid before assembly and avoid scratching finished sur-
faces.
Install two new packing retainers (8) (if present) and two new preformed packings (7) on selector valve spool
(6).
Insert selector valve spool (6) into body assembly (4), being careful not to cut two preformed packings (7).
Install helical compression spring (5) into body assembly (4).
Secure body assembly plate (3) to body assembly (4) with four new lockwashers (2) and four cap screws
(1). Tighten cap screws evenly and gradually.
6-72
Back to Top
