General Repair Information
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, when instructed to relieve pressure, follow the Pressure Relief Procedure on page 8.
Tool List
These service tools are required.
12” adjustable wrench: pump
1/4” Allen wrench: filter plug
3/8” Allen wrench: pump manifold
3/16” Allen wrench: gear housing, legs, handle
5/64” Allen wrench: pressure adjustment knob
Phillipsr screwdriver: junction box, front cover, motor shield
3/8” socket wrench: motor mount
5/8” socket wrench: drain valve, on/off switch boot, piston
5/8” open end wrench: outlet fittings
13/16” socket wrench: drain valve
1/2” open end wrench: pump rod
11/16” open end wrench: piston jam nut
15/16” open end wrench: flats of inlet tube
5/64” drive pin: drain valve pin
3” needle nose pliers: wiring, on/off switch
Hammer & punch: packing nut
Torque wrenches: various fasteners
Pipe wrench: suction tube
CAUTION
To reduce the risk of a pressure transducer malfunc- tion, properly mate connectors and never pull on a wire to disconnect it.
1.When disconnecting wires, use needle nose pliers to separate mating connectors.
2.When reconnecting wires, center flat blade of male connector in blade of female connector.
3.Route wires carefully and avoid pinching any wires between covers.
CAUTION
Improper wire routing can result in poor sprayer performance or damage to the pressure transducer.
4.Keep all screws, nuts, washers, gaskets, and electrical fittings removed during repair proce- dures.
5.Test your repair before regular operation to be sure problem is corrected.
6.If sprayer does not operate properly, verify that everything was done correctly. Also refer to Trou- bleshooting Guide, page 14, to help identify other possible problems and solutions.
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 sprayer.
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
FIRE 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.
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