Troubleshooting – Craftsman 580.751781 User Manual
Page 19
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TROUBLESHOOTING
PROBLEM
CAUSE
CORRECTION
Pump has foliowing problems:
failure to produce pressure, erratic
1, Nozzle in low pressure mode.
1. Pull nozzle backward for high
pressure mode.
pressure, chattering, loss of pressure,
2. Low regulator pressure
2, Adjust regulator to desired setting.
low water volume.
3 Water inlet is blocked
4. Inadequate water supply
5,. Inlet hose is kinked or leaking
6 Clogged inlet hose strainer.
7. Detergent line is not submerged.
0, Water supply is over 140°F.
9. Outiet hose Is blocked or leaks.
10. Gun leaks.
11. Nozzle is obstructed.
3. Clear inlet
4. Provide adequate water flow.
5. Straighten inlet hose, patch leak,
6. Check and clean Inlet hose strainer,
7. Submerge detergent line
8. Provide cooler water supply.
9. Clear blocks in outlet hose.
10, Replace gun.
11. Clear nozzle.
12. Pump is faulty.
12. Contact Sears Service Department.
Detergent fails to mix with spray.
1. Detergent line is not submerged.
2 Chemical filter is clogged.
3. Nozzle is in high pressure mode.
4. Chemical adjuster is closed.
1. Insert chemical line into detergent
2. Clean or replace fliter/detergent line.
3. Push nozzle fonvard for
low pressure mode.
4. Open chemical adjuster
Engine ains good at no-load but "bogs
Engine speed is too slow.
Contact Sears Sen/ice Department.
Engine will not start; or starts
1, Low oil level
1 Fill crankcase to proper level.
and runs rough
2. Dirty air cleaner
3. Out of gasoline.
4. Stale gasoline.
5. Spark plug wire not connected
to spark plug
6. Bad spark plug.
7. Water in gasoline.
8. Oveirhoking.
9. Excessively rich fuel mixture.
10. Intake valve stuck open or closed.
11, Engine has lost compression.
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gas tank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain gas tank; fill with fresh fuel,
8. Open choke fully and crank engine.
9. Contact Sears Service Department.
10 Contact Sears Service Department
11. Contact Sears Service Department.
Engine shuts down during operation
1. Out of gasoline.
2 Low oil level.
1. Fill fuel tank,
2. Fill crankcase to proper level.
Engine lacks power,.
Dirty air filter.
Replace air filter.
Engine “hunts” or falters.
Choke is opened too soon.
19
Move choke to halfway position
until engine runs smoothly.