TM 5-3810-306-34
SWING 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 (4910-00-754-0706)
Tool Outfit Hyd System; Test and Repair, 3/4 Ton Trailer Mtd (4940-01-036-5784)
SUPPLIES:
Packing assortment (Item 47, Appendix B)
Quad seal (Item 48, Appendix B) (2 Required)
Back-up ring (Item 49, Appendix B) (2 Required)
Solvent P-D-680 (Item 1, Appendix B)
Hydraulic oil (Item 8, Appendix B)
Loctite #545 (Item 18, Appendix B)
EQUIPMENT CONDITION:
Control valve removed. (Refer to TM 5-3810-306-20.)
c. Remove preformed packing (10) and back-up
DISASSEMBLY:
ring (11) from plunger (16).
1.
REMOVE FITTINGS FROM VALVE BANK AS
d. Remove seat (9).
REQUIRED. SAVE FOR INSTALLATION.
5.
DISASSEMBLE VALVE SECTION (26).
2.
REMOVE TIE BOLTS (2) SECURING VALVE
SECTIONS
TOGETHER.
SEPARATE
a. Remove two screws (31) and valve cap (30).
SECTIONS AND REMOVE PREFORMED
PACKINGS (16) AND (17).
b. Remove stripper bolt (29), spring guides (27)
and spring (28).
3.
REMOVE RELIEF VALVE (5) FROM INLET
SECTION (4).
c. Remove two screws (21) and retainer plates
(22).
NOTE
d. Remove quad seals (24), back-up rings (25) and
Keeping preformed packings and
spool (23) from valve body.
rings in order during disassembly will
aid in reassembly.
e. Remove plug and packing (20) from unused
port.
4.
DISASSEMBLE RELIEF VALVE (5).
f. Remove check valves (32).
a. Remove preformed packing (6) and washer (7)
from cartridge (8).
b. Remove lock nut (15), adjusting screw (14),
preformed packing (6), spring (13) and plunger
(12).
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