Troubleshooting, Problem cause correction – Craftsman 580.768040 User Manual
Page 15
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TROUBLESHOOTING
PROBLEM
CAUSE
CORRECTION
Pump has following problems:
failure to produce pressure, or
1. Nozzle in low pressure mode-
1. Pull nozzle backward for high
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. Inlet hose is kinked or leaking
4. Straighten inlet hose, patch leak.
5. Clogged water inlet screen.
5. Replace / 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 outlet hose.
8. Outlet hose leaks.
8. Replace outlet hose if leaking.
9. Gun leaks.
9. Replace O-ring or gun if
necessary.
10. Nozzle is obstructed.
10. Clear nozzle.
11. Pump is faulty.
. 1 1 . Contact Sears Sendee
Department.
Detergent fails to mix.
1. Detergent line is collapsed or
kinked
1. Repair or replace detergent
line.
2. Chemical tank filter is clogged.
2. Replace tank
3. Nozzle is in high pressure mode.
3. Push nozzle forward for
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 vnre not connected
to spark plug.
4. Connect wire to ^ark 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 control lever to
fast position, choke in mn
position.
8. Excessively rich fuel rnixture.
8. Contact Sears Service
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 fitter.
Engine lacks power.
Dirty air fitter.
Replace air filter.
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