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Repair
9. Prime the Pump, page 23.
10. If necessary, Calibrate Chemical Dosage, page
24.
11. Tighten packing nut as necessary to seal pump
plunger.
Motor Brush Repair (DC Pumps
only)
1. Disconnect pump from power source.
2. Remove dust cover screws and dust cover (2b) and
o-ring. See F
. 20 on page 35.
IG
3. Remove brush retainer using a flathead screw-
driver.
4. Remove and replace motor brush.
5. Reinstall brush retainer.
6. Ensure o-ring is in place in motor end ring (2c), and
reinstall dust cover (2b) and dust cover screws.
7. Repeat steps 2-6 for the other side of the motor.
38
Check Valve Repair
The following procedures apply to the check valves on
both Wolverine Basic and Wolverine Advanced pumps.
F
. 27 shows the placement of the check valves on a
IG
Wolverine Advanced pump. On a Wolverine Basic
pump, the outlet check valve (25), is on the side of the
fluid cylinder.
Inlet Check Valve
1. Follow the Pressure Relief Procedure on page 23.
2. Remove the inlet check valve assembly (24).
3. Remove the retaining nut (24d) and piston (24c).
4. Remove the piston o-ring (24b) from the piston
(24c).
5. Inspect parts for wear, and replace as needed.
6. Install the piston o-ring (24b).
7. Reassemble the piston (24c) and retaining nut
(24d).
8. Reconnect the inlet check valve assembly (24).
9. Reconnect and tighten fluid lines.
10. Prime the Pump, page 23.
11. If necessary, Calibrate Chemical Dosage,
page 24.
334513A
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