Maintenance Waukesha Cherry-Burrell Brand W60/W80 Valves
Page 32 95-03022 08/2018
W64ET/W84ET Valve
Disassembly
Air-to-Raise Actuator
1. Shut off the air and disconnect the air line to the actuator.
2. For valves with control modules, disconnect/lockout the
electrical power to the valve.
3. Remove the body/tank flange clamp (Figure 22, item 5) and
remove the valve from the tank flange.
4. Using 5/8-inch wrench flats on the stem, unscrew and
remove the valve stem (item 7).
5. Replace the seat ring (item 8) as needed. See “Seat
Replacement” on page 37.
6. Remove the lower body o-ring (item 6); replace as needed.
7. Unscrew the body from the yoke.
8. Remove the stem o-ring (item 4); replace as needed.
9. Inspect and replace the PTFE bearing (item 2) as needed.
Air-to-Lower Actuator
1. Shut off the air and disconnect the air line to the actuator.
2. For valves with control modules, disconnect/lockout the
electrical power to the valve.
3. Remove the body/tank flange clamp (Figure 22, item 5) and
remove the valve from the tank flange.
4. Reapply the air to the actuator.
5. Using 5/8-inch wrench flats on the stem, unscrew and
remove the valve stem (item 7).
6. Shut off the air and disconnect the air line to the actuator.
7. Unscrew the body from the yoke.
8. Remove the stem o-ring (item 4); replace as needed.
9. Inspect and replace the PTFE bearing (item 2) as needed.
Figure 22: W64ET Tank Outlet Valve
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