Craftsman 500.676620 Operator's Manual page 16

Check High Pressure Hose
High pressure hoses can develop leaks from wear, kinking,
or abuse. Inspect hose before each use. Checkfor cuts,
leaks, abrasions, bulging of cover, or damage or movement
of couplings. If any of these conditions exist, replace hose
immediately.
WARNING
The high pressure stream of water that this
_ quipment produces can cut through skin and its
underlying tissues, leading to serious injury and
_ossibleamputation.
* NEVER repairhigh pressure hose.Replace it.
* Replacement hoseratingMUSTexceed maximumpressure
ratingof unit.
Check Detergent Siphoning Tube
Examine the filter on the detergent tube and clean if clogged.
The tube should fit tightly on the barbed fitting. Examinethe
tube for leaks or tears. Replacethe filter or tube if either is
damaged.
Check Gun and NozzJe Extension
Examine hose connection to spray gun and make sure it is
secure. Test trigger by pressing it and making sure it springs
back into place when you releaseit. Put safety latch in LIP
position and test trigger. You should not be able to press
trigger. Replacespray gun immediately if it fails any of these
tests.
HozzJeMaintenance
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
The high pressure stream of water that this
equipment produces can cut through skin and its
_ nderlying tissues, leading to serious injury and
possible amputation.
Spray gun traps high water pressure, even when
engine is stopped and water is disconnected,
which can cause injury.
* Keephigh pressurehoseconnected to pumpand spraygun
whilesystemis pressurized.
* ALWAYS pointspraygun in safedirectionand squeeze spray
gun trigger,to release high pressure,everytime you stop
engine.Engage trigger lockwhennot in use.
,
4.
Remove nozzleextension from spray gun.
Twist nozzle clockwise to stream position. Using a 2mm
(5/64) allen wrench, remove orifice from end of nozzle
extension.
\
5. Use a small paper clip 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.
7. Reinstall orifice into nozzle extension. DONOT
overtighten orifice with allen wrench.
8. Reconnect nozzle extension to spray gun.
9. Make sure garden hose is connected to water inlet.
Checkthat high pressure hose is connected to spray gun
and pump. Turn on water.
10. Engagetrigger lock on spray gun and start engine
following instructions "How to Start Your Pressure
Washer".
11. Test pressure washer by operating nozzle in high and
low positions.
O-Ring Maintenance
Purchasean O-Ring RepairKit at your local Searsor by calling
1-800-4-MY-HOME(469-4663) or online at www.sears.ca.It is
not includedwith the pressurewasher.This kit includes
replacemento-rings, rubber washerand water inletfilter. Referto
the instructionsheet providedin the kit to serviceyour unit's
o-rings.
WARNING
The high pressure stream of water that this
,_ equipment produces can cut through skin and its
underlying tissues, leading to serious injury and
)ossible amputation.
* NEVER repairleakingconnections with sealant o f anykind.
Replace o-ring or seal.
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