Troubleshooting - Craftsman 580.752100 Operator's Manual

Problem
Pump has following problems:
failure to produce pressure,
erratic pressure, chattering, loss
of pressure, low water volume.
Detergent fails to mix with spray.
Engine runs good at no-load but
"bogs" when load is added.
Engine will not start; or starts and
runs rough.
Engine shuts down during
operation.
Engine lacks power.
Engine "hunts" or falters.

TROUBLESHOOTING

Cause
1. PrecisionSpray™ Selector is in a
low pressure position.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over 100°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzle in PrecisionSpray™ Selector
is obstructed.
10. Pump is faulty.
1. Detergent shut-off valve is in the
"Off" position.
2. PrecisionSpray™ Selector is in a
high pressure position.
Engine speed is too slow.
1. Dirty air cleaner.
2. Out of fuel.
3. Stale fuel.
4. Spark plug wire not connected to
spark plug.
5. Bad spark plug.
6. Water in fuel.
7. Overchoking.
8. Excessively rich fuel mixture.
Out of fuel.
Dirty air filter.
Choke is opened too soon.
21
Correction
1. Rotate PrecisionSpray™ Selector to a
high pressure position.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten inlet hose, patch leak.
5. Check and clean inlet hose strainer.
6. Provide cooler water supply.
7. Clear blocks in high pressure hose or
replace hose.
8. Replace gun.
9. Clean PrecisionSpray™ Selector nozzles.
10. Contact Sears service facility
1. Rotate detergent shut-off valve to "On"
position.
2. Rotate PrecisionSpray™ Selector to a
low pressure position.
Move throttle control to FAST position. If
engine still "bogs down", contact Sears
service facility.
1. Clean or replace air cleaner.
2. Fill fuel tank.
3. Drain fuel tank; fill with fresh fuel.
4. Connect wire to spark plug.
5. Replace spark plug.
6. Drain fuel tank; fill with fresh fuel.
7. Open choke fully and crank engine.
8. Contact Sears service facility.
Fill fuel tank.
Replace air filter.
Move choke to halfway position until engine
runs smoothly.