Troubleshooting - Craftsman 580.768110 Operator's Manual

PROBLEM
Pump has following problems:
failure to produce pressure, or
erratic pressure, chattering, loss of
pressure, low water volume.
Detergent fails to mix.
CAUSE
1. Nozzle in low pressure mode.
2. Water inlet is blocked.
3. Inadequate water supply
4. Inlet hose is kinked or leaking
5. Clogged water inlet screen.
6. Water supply is over 140°_.
7. Outlet hose is blocked.
8. Outlet hose leaks.
9. Gun leaks.
10. Nozzle is obstructed.
11. Pump is faulty.
1. Detergent line is not submerged.
detergent.
2. Chemical filter is clogged.
3. Nozzle is in high pressure mode.
Engine runs good when not spraying Engine speed is too slow.
but dies when you begin to spray.
Engine will not start; or starts 1. Dirty air cleaner
and runs rough 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 flooded
8. Excessively rich fuel mixture.
9. Intake valve stuck operj or closed.
CORRECTION
1. Pull nozzle backward for high
pressure mode.
2. Clear inlet
3. Provide adequate water flow at
least 2 gpm.
4. Straighten inlet hose, patch leak.
5. Replace / clean water inlet
screen.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace outlet hose if leaking.
9. Replace o-dng or gun if
necessary.
10. Clear nozzle.
11. Contact Sears Service
Department.
1. Insert chemical line into
detergenL
2. Clean or replace filter/detergent
line.
3. Push nozzle forward for
low pressure mode.
Contact Sears Service Departrnent.
1. Clean or replace air cleaner.
2. Fill fuel tank.
3. Drain gas tank; fill with fresh fuel.
4. Connect wire to spark plug.
5. Replace spark plug.
6. Drain gas tank; till with fresh fuel.
7. Set engine throttle control lever to
fast position, choke in run
position.
8. Contact Seers Service
Department.
9. Contact Sears Service
Department.
Engine shuts down dudng
operation
Engine lacks power.
10. Engine has lost compresalon.
1. Out of gasoline.
2. Air filter dirty
Dirty air filter.
10. Contact Sears Service
Department.
1. Fill fuel tank.
2. Replace Air filter.
Replace air filter.
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