Operating instructions

DONOTinsertanyobjectsthroughcoolingslots.
* Usea vacuumcleanerto pick up loosedirt anddebris.
Check and Clean Inlet Screen
Examinethe screen on the pump's water inlet. Cleanif it is
clogged or replace if it is torn.
Check High Pressure Hose
High pressure hoses can develop leaksfrom wear, kinking,
or abuse, inspect hose before each use.Check for cuts,
leaks, abrasions, bulging of cover, or damageor movement
of couplings. If any of these conditions exist, replace hose
immediately.
I A WARNING
NEVERrepair high pressure hose. Replaceit.
Replacement hose rating MUST exceedmaximum pressure
rating of unit.
Check Detergent Siphoning Tube
Examinethe filter on the detergenttube and clean if clogged.
The tube should fit tightly on the barbedfitting. Examinethe
tube for leaks or tears. Replacethe filter or tube if either is
damaged.
Check Gunand Hozzle Extension
Examinehose connection to gun and make sure it is secure.
Test trigger by pressing it and making sure it springs back
into placewhen you releaseit. Engagesafety latch andtest
trigger. You should not be able to press trigger. Replacegun
immediately if it fails any of these tests.
Check In-Line Filter
Referto the illustration and service the in-line filter if it
becomes clogged, as follows:
in-line Filter
Nozzleextension
1. Detach nozzleextension from gun and removeo-ring and
screenfrom nozzleextension. Flushscreen, gun, and
nozzleextension with clean water to clear debris.
2. Place in-line filter screen into threaded end of nozzle
extension. Direction does not matter. Push screen in with
eraser end of pencil until it rests fiat at bottom of
opening. Take care not to bend screen.
3. Place o-ring into recess. Push o-ring snugly against in-
line filter screen.
I
4. Assemble nozzleextension to spray gun, as described
earlier in manual.
Hozzle Maintenance
A pulsing sensation felt while squeezingthe spray gun
trigger may be caused by excessive pump pressure. The
principal cause of excessive pump pressure is a orifice
clogged or restricted with foreign materials, such as dirt, etc.
To correct the problem, immediately clean the orifice
following these instructions:
1. Shut off engine and turn off water supply.
2. ALWAYSpoint gun in a safe direction and squeezespray
gun trigger to release retained high water pressure.
WARHIHG
,
4.
Keep high pressure hose connectedto pump and spray gun
while system is pressurized.
ALWAYS point gun in safe direction and squeezespray gun
trigger, to releasehigh pressure, every time you stop engine.
Engagetrigger lock when not in use.
Remove nozzleextension from spray gun.
Twist nozzleclockwise to stream position. Using a 2ram
(5/64) allen wrench, removeorifice from end of nozzle
extension.
,
6.
,
Remove in-line filter from other end of nozzleextension.
Usea small paperclip to free any foreign material
clogging or restricting orifice.
Using a garden hose, remove additional debris by back
flushing water through nozzle extension. Back flush
between 30 to 60 seconds. Turn adjustable nozzle
extension to stream spray and move nozzle from low to
high while flushing.
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