TM 5-3810-306-34
STEERING CONTROL VALVE ASSEMBLY
TOOLS: General mechanic's tool kit: automotive (5180-00-177-7033)
Lubrication Service, Unit Trailer Mounted (4930-00-017-9167)
Shop Equipment Auto-Maintenance and Repair, FM Basic (4910-00-754-0705)
Shop Equipment Auto-Maintenance and Repair, FM Suppl No. 1
Shop Equipment Auto-Maintenance and Repair; Common No. 2 (4910-00-754-0653)
Spring installation tool (NSN)
SUPPLIES:
Packing Assortment (Item 161, Appendix B)
Retaining Ring (Item 160, Appendix B)
Machine screw, 1/8-24 x 1-1/2 in. (Item 159, Appendix B)
Petroleum Jelly (Item 158, Appendix B)
EQUIPMENT CONDITIONS: Steering control valve assembly removed. (Refer to page 10-2.)
d. Remove needle bearing set (8).
DISASSEMBLY:
e. Remove sleeve (17) and spool (18) from
1. CLEAN ALL SURFACE CONTAMINATION FROM
housing (16).
VALVE ASSEMBLY PRIOR TO DISASSEMBLY.
CAUTION
2. DISASSEMBLE GEROTOR END.
a. Remove seven capscrews (27), end cap (26)
Do not bind the spool and sleeve in
and packing (21). Discard packing (21).
the housing. Rotate the spool and
sleeve
assembly
slowly
when
b. Remove gerotor (24) and packing (21). Discard
removing it from the housing.
packing (21).
f.
Remove pin (19) from spool (18) and sleeve
c.
Remove drive spacer(s) (25).
(17).
d. Remove drive (23), spacer plate (22) and
4. REMOVE SIX CENTERING SPRINGS (20) FROM
packing (21). Discard packing (21).
SPOOL (18) AND SLEEVE (17).
3. DISASSEMBLE CONTROL END.
a. Push spool (18) partially from sleeve (17) and
remove six centering springs (20).
a. Remove retaining ring (4).
b. Remove spool (18) from sleeve (17) while
b. Rotate spool (18) until pin (19) is horizontal.
rotating slowly.
Push spool (18) forward until seal gland bushing
(5) is free of housing (16). Remove bushing (5).
5. REMOVE AND
DISCARD
SEAL
(6)
FROM
HOUSING (16).
c.
Remove oil seal (3) and quad ring (7) from
bushing (5). Discard seal (3).
6. REMOVE CHECK BALL (13) AND SEAT (11).
10-4
