General Repair Information
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief
Procedure on page 9.
Tool List
These are the tools required to service all parts of the sprayer.
3/16º Allenr wrench: gear housing, legs, handle
3/8º Allenr wrench: pump manifold
#1 Phillipsr screwdriver: junction box, pressure control, front cover
3/8º socket wrench: motor mount
5/8º socket wrench: drain valve, outlet fittings, on/off switch boot, piston
13/16º socket wrench: drain valve
1/2º open end wrench: pump rod
11/16º open end wrench: piston jam nut
15/16º open end wrench: flats of inlet tube
5/64º drive pin: drain valve pin
3º needle nose pliers: wiring, on/off switch
Hammer & punch: packing nut
Torque wrenches: various fasteners
WARNING
MOVING PARTS HAZARD
To reduce the risk of serious injury, in- cluding electric shock, DO NOT touch
any moving parts or electrical parts with your fingers or a tool while inspecting the repair.
Shut off the sprayer and unplug it as soon as you complete the inspection.
Reinstall all covers, gaskets, screws and washers before operating the sprayer.
WARNING
HOT SURFACE HAZARD
During operation, the motor and drive housing become very hot and could burn your skin if touched. Flammable materi-
als spilled on the hot, bare motor could cause a fire or explosion
CAUTION
To reduce the risk of a pressure control malfunction, be sure to properly mate connectors, and never pull on a wire to disconnect it. Pulling on a wire could loosen the connector from the wire.
1.When disconnecting wires in the junction box assembly, use needle nose pliers to separate mating connectors.
2.When reconnecting the wires, be sure the flat blade of the insulated male connector is centered in the wrap±around blade of the female connector.
CAUTION
Improper wire routing can result in poor sprayer performance or damage to the pressure control.
3.Route wires carefully through the drive housing and motor. Avoid pinching the wires between the junction box and the motor or pressure control.
4.Keep all screws, nuts, washers, gaskets, and electrical fittings removed during repair proce- dures. These parts are not normally provided with replacement assemblies.
5.Test your repair before regular operation to be sure the problem is corrected.
6.If the sprayer does not operate properly, verify that everything was done correctly. Also refer to the Troubleshooting Guide, pages 13±17, to help identify other possible problems and solutions.
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