Sears 580.768050 Pressure Washer User Manual


 
1.
PROBLEM
Pump has followingproblems:
failureto producepressure,or
erraticpressure, chattering,loss of
pressure, lowwater volume.
Detergentfails to mix.
CAUSE
Nozzlein lowpressuremode.
2. Water inlet isblocked.
3. Inadequate water supply
4.
5.
6.
7.
8.
9.
10. Nozzle is obstructed.
11. Pump is faulty.
1. Detergent line is collapsed or
kinked
2. Chemical tank filteris clogged.
3. Nozzle is in highpressure mode.
t.
2.
3.
4.
inlet hose is kinked or leaking
Clogged water inletscreen. 5.
Water supplyis over 140°F. 6.
Outlet hose is blocked. 7.
Outlet hose leaks. 8.
Gun leaks. 9.
10.
11.
1.
Engine runs goodwhen notspraying
but dies when you beginto spray.
Engine_'ill net start;or starts 1.
and runs rough 2.
3.
4.
5.
6.
7.
CORRECTION
Twistchemical valve handle
to place in low pressuremode.
Clear inlet
Provideadequate water flowat
least 3 gem.
Straighteninlethose, patch leak.
Replace / cleanwater inlet
screen.
Providecoolerwater supply.
Clear blocksin outlethose.
Replace outlethose ifleaking.
Replace O-ring orgun if
necsssaq/.
Clear nozzle.
ContactSears Service
Department.
4. Dial-a-Cleaner knob isin off position.
Enginespeed is too slow. ContactSears Service Department.
Dirtyair cleaner
Out ofgasoline.
Stele gasoline.
Spark plug wire not connected
tospark plug.
Bad spark plug.
Water ingasoline.
Ovemhokingor flooded
8. Excessivelyrichfuel mixture.
9. Intake valve stuckopen or closed.
10. Engine has lostcompression.
Engine shuts downduring 1. Out of gasoline.
operation 2. Airfilter dirty
Enginelacks power. Dirtyairfilter. Replace airfilter.
Repair or replace detergent
line.
2. Replacetank
3. Twistchemical valve handle
to place in lowpressuremode.
4. Rotate knobfor desired chemical.
1. Clean or replace air cleaner.
2. Fillfuel tank.
3. Draingas tank; fillwith freshfuel.
4, Connectwire to spark plug.
5. Replace spark plug.
6. Drain gastank; fill with freshfuel.
7. Set engine throttlecontrolleverto
fast position,choke inmn
position.
8. Contact Sears Service
Department.
9. ContactSears Service
Department.
10. ContactSears Service
Department.
1. Fillfuel tank.
2. Replace Air filter.
17