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 TM 55-1905-223-24-16
(4)
Disconnect pipe nipple (5) and fitting (4) from directional control valve.
b.Remove Directional Control Valve.
(1)
Remove machine screws (6) securing symbol plate (7) and preformed packing (8) to wiring box (10). Remove
symbol plate and preformed packing.
(2)
From wiring box (10), identify, tag and disconnect electrical wire connections to electrical solenoid (11).
(3)
Disconnect conduit nut (9) from wiring box (10).
(4)
Remove conduit assembly and electrical wire connections from wiring box.
(5)
Remove mounting screws (13) securing directional control valve (12) to subplate (16).
(6)
Separate directional control valve from subplate (16).
(7)
Remove preformed packing (17, 18, 19) and spring pins (20) from subplate (16).
(8)
Install protective covering over subplate ports to prevent entry of dirt.
REPLACEMENT
a. Install Directional Control Valve.
(1)
Remove protective covering from subplate (16) ports.
(2)
Position preformed packing (17, 18, 19) and spring pins (20) in subplate (16).
(3)
Position directional control valve (12) on subplate (16). Ensure that preformed packing and spring pins are
properly aligned.
(4)
Install mounting screws (13) and secure directional control valve to subplate (16).
NOTE
Remove thread protective plug from wiring box prior to conduit installation.
(5)
Position conduit assembly and electrical wire connections at wiring box (10).
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