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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.
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TROUBLESHOOTING
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 inlet hose strainer.
6. Water supply is over 100°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Orifice is obstructed.
10. Pump is faulty.
1. Detergent siphoning tube is not
submerged.
2. Detergent filter is clogged.
3. Dirty in-line filter.
4. Nozzle is in high pressure mode.
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. Excessively rich fuel mixture.
8. Intake valve stuck open or closed.
9. Engine has lost compression.
Out of fuel.
Dirty air filter.
21
Correction
1. Pull nozzle backward for high
pressure mode.
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 outlet hose.
8. Replace gun.
9. Clean orifice.
10. Contact Sears service facility.
1. Insert detergent siphoning tube into
detergent.
2. Clean or replace filter/detergent
siphoning tube.
3. See Check In-Line Filter.
4. Push nozzle forward for low
pressure mode.
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. Contact Sears service facility.
8. Contact Sears service facility.
9. Contact Sears service facility.
Fill fuel tank.
Replace air filter.
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