General Repair Information
WARNING
To
reduce the risk.of serious bodily injury, includ-
ing fluid injection or splashing in the eyes or on
the skin, or injury from moving parts, always follow
the Pressure Relief Procedure Warning on page
2
before checking, adjusting, cleaning and shut-
ting down the sprayer.
1.
When disconnecting wires
in
the pressure control
assembly, use needle nose pliers to separate
mating connectors.
When reconnecting the wires, be sure the flat
in the wrap-around blade of the female connec-
blade of the insulated male connector is centered
tor.
r
CAUTION
-1
To reduce the risk of a pressure control malfunc-
tion, 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.
2.
Route wires in the pressure control assembly
carefully through the legs of the U-shaped bour-
bourdon tube, which moves as the pressure set-
don tube. This is to avoid interfering with the
ting changes, and to avoid pinching the wires be-
tween the pressure control box and cover.
CAUTION
-1
Improper wire routing can result in poor sprayer
performance or damage to the pressure control.
3.
Keep all screws, nuts, washers, gaskets, and
dures. These parts are not normally provided with
electrical fittings removed during repair proce-
replacement assemblies.
4.
Test your repair before regular operation of the
sprayer to be sure the problem
is
corrected.
If the sprayer does not operate properly, review
the repair procedure again to verify that every-
thing was done correctly.
If
necessary, refer
to
the
Troubleshooting Guide, pages
11
-18,
to help
identify other possible problems and solutions.
WARNING
To reduce the risk of serious bodily injury, includ-
ing 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.
rCAuTIoN
1
Do
not run the sprayer dry for more than
30
sec-
onds to avoid damaging the pump packings.
5.
Reinstall the motor cover before regular operation
of
the sprayer and replace
it
if
it
is
damaged. The
cover directs cooling air around the motor to help
risk of burns, fire or explosion; see the
WARN-
prevent overheating.
It
can'also help reduce the
ING,
below.
WARNING
During operation, the motor becomes very hot
and could bum your skin
if
touched. Flammable
materials spilled on the hot, bare motor could
cause a fire or explosion. Always have the motor
cover in place during regular operation to reduce
the risk of burns, fire'or explosion.
307-009
19
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