Service The Pump - Graco HydroShield WMBH00 Instructions - Parts Manual

Repair
Service the the Pump Pump
Service Service the Pump
Remove Remove the Remove the Pump the Pump Pump from
1. Prepare the isolation system for service. Follow
the steps under Prepare the Isolation System for
Service, page 60.
2. Use a flat blade screwdriver to open the isolation
cabinet door.
3. Slide the electrostatic shield (12) up to remove.
It is not necessary to remove the isolation valve
cover (99).
4. Remove the four 3/16 inch hex head screws to
open the electronics panel (14).
5. Locate the wire from the pump sensor into the
electronics panel. Disconnect the pump senor
(321) from the cable splitter (447).
Figure 35 Pump Sensor Connection in
Electronics Panel
6. Disconnect the air line from the air fitting (325).
7. Remove the two fluid tubes from the fittings (327)
at the base of the pump. Some residual fluid
may leak out.
8. A steel bracket holds the pump. To remove the
pump, either:
• Remove the two screws that hold the bracket
to the back wall of the cabinet. Use a 7/16 inch
socket wrench and extension.
• Remove the two screws that hold the bracket
to the pump.
70
from the from the Cabinet the Cabinet Cabinet
9. Remove the two base mounting screws (20) and
washers (19).
10. Lift the pump out of the cabinet.
Figure 36 Removing Pump
Reinstall the the Pump Pump in in in the
Reinstall Reinstall the Pump
1. Place the pump into the cabinet.
2. Connect the wire from the linear sensor (321) to
the pump wire.
3. Screw into top. Screw into the bottom.
4. Reconnect the air line hose.
5. Reconnect and tighten the inlet fluid hose fitting
at the bottom left of pump.
6. Reconnect and tighten the outlet fluid hose fitting
at the bottom right of pump.
the Cabinet Cabinet
the Cabinet
3A7370B