Troubleshooting – Sears 580.768050 User Manual
Page 17
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TROUBLESHOOTING
PROBLEM
CAUSE
CORRECTION
Pump has following problems:
failure to produce pressure, or
1. Nozzle in low pressure mode.
1. Twist chemical valve handle
to place in low pressure mode.
erratic pressure, chattering, loss of
2. Water inlet is blocked.
2. Clear inlet
pressure, low water volume.
3. Inadequate water supply
3. Provide adequate water flow at
least 3 gpm.
4. Iniet hose is kinked or leaking
4. Straighten inlet hose, patch leak.
5. Clogged water inlet screen.
5. Replace
t
clean water inlet
screen.
6. Water supply is over 140°F.
6. Provide cooler water supply.
7. Outlet hose is blocked.
7. Clear blocks in outiet hose.
8. Outlet hose leaks.
8. Replace outlet hose if leaking.
9. Gun leaks.
9. Replace O-ring or gun rf
necessary. .
10. Nozzle is r^tructed.
10. Clear nozzle. .
11. Pump is faulty.
11. Contact Sears Service
Department.
Detergent fails to mix.
1. Detergent line is collapsed or
looked
1. Repair or replace detergent
line. '.
2. Chemic^ tank filter is clogged.
2. Replace tank
3. Nozzle is in high pressure mode.
3. Twist chemical vsdve handle
to place in low pressure mode.
4. Dial-a-Cleaner knob is in off position.
4. Rotate knob for desired chemical.
Engine runs good when not spraying
but dies when you begin to spray.
Engine speed is too slow.
Contact Sears Service Department.
Engine will not start; or starts
1. Dirty air cleaner
1. Clean or replace air cleaner.
and runs rough
2. Out of gasoline.
2. Fill fuel tank.
3. Stale gasoline.
3. Drain gas tank; fill with fresh fuel.
4. Spark plug wire not connected
to spark plug.
4. Connect virire to spark plug.
5. Bad spark plug.
5. Replace spark plug.
6. Water in gasoline.
6. Drain gas tank; fill with fresh fuel.
7. Overchoking or flooded
7. Set engine throttle cwitrol lever to
fast position, choke in run
position.
8. Excessively rich fuel mixture.
8. Contact Sears Senrice
Department.
9. Intake valve stuck open or closed.
9. Contact Sears Service
Department.
10. Engine has lost compression.
10. Contact Sears Service
Department.
Engine shuts down during
1. Out of gasoline.
1. Fill fuel tank.
operation
2. Air filter dirty
2. Replace Air filter.
Engine lacks power.
Dirty air filter.
Replace air fitter.
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