Craftsman 580.676660 Owner's Manual page 15

Pressure washer p arts should bekeptclean toreduce t he
riskofoverheating andignition o faccumulated debris.
CAUTION
•
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
clean and unobstructed.
Check and C_ean Jn_et 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.
1
• 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 Fi_ter
Refer to the illustration and service the in-line filter if it
becomes clogged, as follows:
Nozzle extension
O-ring
Detach nozzle extension from gun and remove
o-dng and screen from nozzle extension. Flush
screen, gun, and nozzle extension 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 flat
at bottom of opening. Take care not to bend
screen.
3. Place o-nng into recess. Push o-ring snugly against
in-line filter screen.
4. Assemble nozzle extension to spray gun, as
described earlier in manual
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
spray tip clogged or restricted with foreign materials,
such as dirt, etc. To correct the problem, immediately
clean the spray tip following these instructions:
1. Shut off engine and turn off water supply.
2. Remove spray tip from end of nozzle extension.
3. Remove in-line filter from other end of nozzle
extension.
.
Use a small paper clip to free any foreign material
clogging or restricting spray tip.
Use wire here
to remove
debris.
5. Using a garden hose, remove additional debris by
back flushing water through nozzle extension.
Back flush between 30 to 60 seconds.
6. Reinstall spray tip and in-line filter into nozzle
extension.
7. Reconnect nozzle extension to spray gun.
8. Reconnect water supply, turn on water, and start
engine.
9. Test pressure washer by operating with each
quick connect spray tips.
O-Ring Maintenance
Purchase an O-Ring Repair Kit at your local Sears
service center. It is not included with the pressure washer.
This kit includes replacement o-rings, rubber washer and
water inlet filter. Refer to the instruction sheet provided in
the kit to service your unit's o-rings.
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