TM 10-4610-241-24
TO 40W4-13-42
2-45. 3-WAY BALL VALVE (BACKWASH) REPAIR (Models WPES-10, WPES-20 and WPES-30) -
continued.
g .
Installation.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
NOTE
Be sure to wrap tape in same direction as pipe thread.
Apply anti-seize tape to male pipe fittings.
If removed, install bracket (24) on valve (25), using flatwasher (23), lockwasher (22) and screw (21).
CAUTION
ROWPU will not work in normal operation and may be damaged if check valve is
incorrectly installed. Arrow has to point toward valve.
Place 3 way valve (25) in vise and install check valve (18), elbow (17), is marked at disassembly, and
adapters (19 and 20) on valve.
NOTE
Casket (13) and associated clamps and hardware are smaller then gaskets (14 and 15) and
their hardware.
Lubricate gaskets (13, 14 and 15) and position on adapters (19 and 20) and check valve (18).
Loosen setscrews (16) to insure that bracket will slide into cutout on shelf of control panel (26).
Position 3-way valve (25) and attached parts in cutout for bracket (24) with stem of valve (25) pointing
toward cutout on control panel (26).
Position gasket (15) over pipe joint and install clamp halves (12), two bolts (1 1), and two nuts (10).
Position gasket (13) over pipe joint and install two clamp halves (9), bolts (8), and nuts (7).
Position gasket (14) over pipe joint and install two clamp halves (6), bolts (5), and two nuts (4).
Tighten setscrews ( 16).
NOTE
When installed, handle must be positioned in the BACKWASH position.
If installed, remove nut (1) from stem of 3-way valve (25) and position handle (3) and lockwasher (2) on
stem of valve. Install and tighten nut (1) and turn valve to NORMAL.
Operate ROWPU (TM 10-4610-241-10). Check for leaks and proper operation.
2-188 Change 1
