TM 10-4610-239-24
TM 08580B-24/3
3-14. REPAIR BACKWASH VALVE.
This task covers:
a. Disassembly.
b. Cleaning. c. Inspection. d. Assembly.
INITIAL SETUP.
a.
Tools.
Took Kit (Appx B, Sect III, Item 10).
b.
Materials/Parts.
Detergent (Appx C, Sect II, Item 3).
Sandpaper (Appx C, Sect II, Item 15).
c.
Equipment Condition.
Backwash valve removed (paragraph 2-101).
DISASSEMBLY.
a.
Remove two screws (1), lockwashers (2), and bracket (3). Discard lockwashers.
b.
Remove jamnut (4), washer (5), and handle (6).
c.
Loosen setscrew (7) and remove setscrew collar (8) from gate valve rotor shaft (9).
d.
Remove four screws (10) and washer (11), lift the top cap (12) gate valve rotor (9) from valve body (13).
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