Service The Isolation Fluid Pump - Graco HydroShield WABH00 Instructions - Parts Manual

Service the the Isolation Isolation Fluid
Service Service the Isolation
Remove Remove the Remove the Isolation the Isolation Fluid Isolation
Cabinet
Cabinet Cabinet
1. Prepare the isolation system for service. See
Prepare the Isolation System for Service, page
90.
2. Use a flat blade screwdriver to open the isolation
cabinet door.
3. Slide the electrostatic shield (82) up to remove.
4. To remove the isolation valve cover (99), loosen
the top and bottom screws (99a).
5. Remove the four 3/16 inch hex head screws to
open the electronics panel (14).
6. Locate the wire from the pump sensor into the
electronics panel. Disconnect the pump sensor
(321) from the cable splitter (447). For wiring
locations, see Wiring Connections, page
Figure 44 Pump Sensor Connection in
Electronics Panel
7. Disconnect the air line from the air fitting (325).
3A8492A
Fluid Pump Pump
Fluid Pump
Fluid Pump Fluid Pump from Pump from the from the the
112.
8. Remove the two fluid tubes from the fittings (327)
at the base of the pump. Some residual fluid
may leak out.
9. A steel bracket (17) 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 3/16 inch
socket cap hex head wrench and extension.
• Remove the two screws that hold the bracket
to the pump. Use a 7/16 inch hex head wrench.
10. Remove the two base mounting screws (20), lock
washers (22), and washers (19).
11. Lift the pump out of the cabinet.
Figure 45 Remove the Isolation Fluid Pump
Repair
101