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TM 1-4920-458-13&P
4-20. REMOVE AND REPLACE PRESSURE THREE WAY SELECTOR VALVE (Cont) (Sheet 2 of 2)
4-20.1.
REMOVAL
a.
Position handle (1) to "OFF" position.
b.
Remove screw (2) from end of handle (1) and remove handle (1) from valve (3).
NOTE
Prior to removal of valve, note location of elbow fittings in relation to control panel.
c.
Remove four mounting screws (4) from tester control panel (5) and remove valve (3).
d.
Tag and disconnect three hoses (6) from elbow fittings (7).
e.
Remove three elbow fittings (7) from valve (3).
4-20.2.
INSTALLATION
a.
Apply Sealube (D6) to three elbow fittings (7) before installing into valve (3).
b.
Install three elbow fittings (7) into valve (3).
c.
Connect three hoses (6) to elbow fittings (7) and remove tags.
d.
Position valve (3) Into panel (5) and secure with four mounting screws (4).
e.
Place handle (1) on valve (3) and orient to "OFF" position.
f.
Install screw (2) through handle (1) to valve (3).
END OF TASK
4-17
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