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 TM 55-1905-223-24-10
2-16. Replace Directional Control Valve Assembly.
This task covers: a. Inspection, b. Removal, c. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, bow ramp assembly
secured, tagged "Out of Service -
Tool kit, electrical equipment,
Do Not Operate."
Tool kit, measuring machinist,
Materials/Parts
Directional control valve assembly
P/N DG5S8-6C-T-S-M-W-CCB-20
Hydraulic fluid, Item 2, Appendix C
Cleaning solvent, Item 5, Appendix C
Compressed air
INSPECTION
Inspect the directional control valve (3) for external corrosion, evidence of hydraulic fluid leaks, and secure
mounting. Clean with solvent, secure fittings and mounting hardware as required.
REMOVAL (FIGURE 2-1)
a.
Drain hydraulic fluid from reservoir (PMCS, Table 2-1, Item 6).
b.
Disconnect and cap/plug hydraulic lines (19, 22, 23, 24, 30, 31, 33 and 34).
c.
Remove six bolts, lockwashers, and nuts (25, 26, 27) from directional control valve cover; remove cover (29).
d.
Tag and disconnect electrical wires to electrical solenoid inside directional control valve.
e.
Remove directional control valve assembly (28).
2-36
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