Craftsman 580.752310 - Manual (Page 14)

Pressure washer parts should be kept clean to reduce the
risk of overheating and ignition of accumulated debris.
CAUTION
Improper treatment of pre;
damage it and shorten its
DO NOT insert any objects through cooling slots.
• Use a damp cloth to wipe exterior surfaces clean.
• Use a soft bristle brush to loosen caked on dirt, oil,
etc.
• Use a vacuum cleaner to pick up loose dirt and debris.
• Use low pressure air (not to exceed 25 psi) to blow
away dirt. Inspect cooling air slots and openings on
the pressure washer. These openings must be kept
dean and unobstructed.
Check and Clean Inlet Screen
Examine garden hose inlet screen. Clean if it is
clogged or replace if it is torn.
Check High Pressure Hose
High pressure hoses can develop leaks from wear,
kinking, or abuse. Inspect hose before each use.
Check for 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
equipment produces can pierce skin and its
underlying tissues, leading to seri ' '
and possible amputation.
NEVER repair high pressure hose. Replace it.
Replacement hose rating MUST exceed maximum
pressure rating of unit.
Check Gun and Nozzle Extension
Examine hose connection to gun and make sure it is
secure. Test trigger by pressing it and making sure it
springs back into place when you release it. Engage
trigger lock and test trigger. You should not be able to
press trigger. Replace gun immediately if it fails any of
these tests.
Check In-Line Filter
Refer to the illustration and service the in-line filter if it
becomes clogged, as follows;
1. Detach nozzle extension from gun and remove
o-ring and screen from nozzle extension. Flush
screen, gun, and nozzle extension with clean water
to dear debris.
2. Place in-iine 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 to not bend screen.
3. Place o-ring into recess. Push o-ring snugly against
in-line filter screen.
4. Assemble nozzle extension to spray gun, as
described earlier in manual.
Purge Pump of Air and Contaminants
To remove air from the pump, follow these steps;
1. Set up pressure washer as described in
“Assembling Your Pressure Washer” section and
connect water supply.
2. Pull trigger on gun and hold until a steady stream
of water appears.
To remove contaminants from the pump, follow these
steps;
1. Set up pressure washer as described in
“Assembling Your Pressure Washer” section, and
connect water supply.
Remove nozzle extension from gun. 2
.
3.
4.
5.
Start engine according to instructions in “How To
Use Your Pressure Washer” section.
Puli trigger on gun and hold.
When water supply is steady and constant, engage
trigger lock and refasten nozzle extension.
Nozzle Maintenance
A pulsing sensation felt while squeezing the spray gun
trigger may be caused by excessive pump pressure.
The principal cause of excessive pump pressure is a
nozzle clogged or restricted with foreign materials,
such as dirt, etc. To correct the problem, immediately
clean the nozzle following these instructions:
1. Shut off engine and turn off water supply.
2. Remove nozzle from end of nozzle extension.
Separate nozzle extension from spray gun. Twist
nozzle clockwise to stream position. Using a 2mm
(5/64) alien wrench, remove orifice from end of
nozzle extension.
extension.
Use a small paper clip to free any foreign material
clogging or restricting orifice.
W'-..
Insert wire into orifice and turn back and
forth to clear obstruction.
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