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General Repair Information
To reduce the risk of serious injury, follow the
Pressure Relief Procedure on page 11 before
doing this procedure. Unplug the sprayer1
Tool List
These are the tools required to service all parts of the
sprayer.
3/8" Allen@ wrench: pump manifold
3/16 Allen@ wrench: gear housing, legs, handle
#1 Phillips@ screwdriver: junction box,
3/8" socket wrench: motor mount
pressure control, front cover
5/8"
socket wrench: drain valve, outlet fiftings,
13/16"
socket wrench: drain valve
onloff switch boot, piston
1-1/4" socket wrench: pump inlet valve
1/2" open end wrench: pump rod
11/16'' open end wrench:
piston jam
nut
15/16'' open end wrench: flats ofinlet tube
1 -3/4" open end wrench: pump jam nut
5/64" drive pin: drain valve pin
3"
needle nose pliers: wiring, onloff switch
Torque wrenches: various fasteners
Hammer & punch:
packing nut
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
tion, be sure
to
properly mate connectors, and
To reduce the risk of a pressure control malfunc-
wire could loosen the connector from the wire.
never pull on a wire
to
disconnect
it.
Pulling on a
3.
Route wires carefully through the drive housing
and motor. Avoid pinching the wires between the
junction box and the motor or pressure
control.
CAUTION
performance or damage to the pressure control.
Improper wire routing can result in poor sprayer
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
15-19,
to help
identify other possible problems and solutions.
WARNING
To reduce the risk of serious injury, including elec-
tric 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.
During operation, the motor and drive housing
become very hot and could burn your skin if
touched. Flammable materials spilled on the hot,
bare motor could cause a fire or explosion.
20
308-216
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