Troubleshooting - Craftsman 580.7622 Owner's Manual

PROBLEM CORRECTION
1.
Pumphasfollowing problems:
failureto producepressure,or
erraticpressure,chattering, l ossof
pressure, l ow watervolume.
CAUSE
1. Nozzlein lowpressure mode.
2. Water inletis blocked,
3. Inadequate watersupply
Detergent fails to mix with.
spray=:
Enginerunsgoodwhen notspraying
butdies whenyou beginto spray.
Enginewiltnot start;or starts
and runsrough
Engineshutsdownduring
operation
Enginelacks power.
4. Inlet hose is kinked or leaking
5. Clogged water inlet screen.
6. Water supply is over 140°F.
7. Outlet hose is blocked.
8. Outlet hose leaks.
9, Gun leaks.
10. Nozzle is obstructed,
1!. Pump is faulty.
1. Detergent line isnot submerged.
in detergent spray
2. Chemical filter is clogged.
3; Nozzleis in highpressure mode.
Engine speed is too slow.
1. Dirty air cleaner
2. Out of gasoline,
3. Stale gasoline,
4. Spark plug wire not connected
to spark plug.
5. Bad spark plug.
6. Water in gasoline,
7. Overchoking or ftooded
8. Excessively richfuel mixture.
9. Intakevalvestuckopenor closed.
10. Enginehas'lostcompression.
1, Out of gasoline.
2. Air filter dirty
Dirty air filter,
Pull nozzlebackwardfor high
pressure mode.
2, Clearinlet
3. Provideadequatewaterflowat
least 2.2 gpm.
4, Straighteninlethose,patchleak.
5. Replace/ cleanwaterinletscreen.
6. Providecoolerwatersupply,
7. Clear blocksin outlethose,
8. Replaceoutlethoseif leaking.
9. Replaceo-ringor gunif necessary.
10. Clearnozzle.
11. ContactSearsServiceDepartment.
1. Insert chemicalline intodetergent.
2. Cleanor replacefilterldetergent
line,
3. Push nozzleforward for
low pressure mode.
Contact SearsServiceDepartment.
i. Cleanor replaceair cleaner,
2. Fill fuel tank,
3. Drain gas tank;fill withfresh fuel.
4. Connectwireto sparkplug.
5. Replacesparkplug.
6. Drain gastank;fill withfresh fuel.
7, Set enginethrottle controlleverto
fast position, c hokein run position,
8. ContactSearsServiceDepartment.
9. ContactSearsServiceDepartment,
10. ContactSearsServiceDepartment.
1, Fill fueltank.
2, ReplaceAirfilter.
Replaceair filter.
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