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Problem
Pumphas following problems:failure
to producepressure, erratic pressure,
chattering,Jossof pressure, low water
volume.
Detergent fails to mix with spray.
Enginerunsgood at no-load but "bogs"
when load is added.
EnginewiJJnot start; or startsand runs
rough.
Cause
1. Nozzlein low pressure mode.
2. Water inlet is blocked.
3. inadequatewater supply.
4. inlet hose is kinked or leaking.
5. Cloggedinlet hose strainer.
6. Water supply is over IO0°F.
7. High pressure hose is blocked or
leaks.
8. Gunleaks.
9. Orifice is obstructed.
10. Pump is faulty.
1. Detergentsiphoning tube is not
submerged.
2. Detergentfilter is clogged.
3. Nozzleis in high pressure mode.
Enginespeed is too slow.
1. Dirty air cleaner.
2. Out of fuel.
3. Stale fuel.
4. Spark plug wire not connected to
spark plug.
5. Badspark plug.
6. Water in fuel.
7. Excessivelyrich fuel mixture.
8. intake valve stuck open or closed.
9. Enginehas lost compression.
Out of fuel.
Correction
1. Puff nozzlebackward for high
pressure mode.
2. Clear inlet.
3. Provide adequatewater flow.
4. Straighten inlet hose, patch leak.
5. Checkand clean inlet hose strainer.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replacegun.
9. Cleanorifice.
10. Contact Searsservice facility.
1. insert detergent siphoning tube into
detergent.
2. Cleanor replacefilter/detergent
siphoning tube.
3. Push nozzleforward for low
pressure mode.
Move throttle control to FASTposition. If
enginestill "bogs down", contact Sears
servicefacility.
1. Cleanor replaceair cleaner.
2. Fill fueltank.
3. Drain fuel tank; fill with fresh fuel.
4. Connectwire to spark plug.
5. Replacesparkplug.
6. Drain fuel tank; fill with fresh fuel.
7. Contact Searsservice facility.
8. Contact Searsservice facility.
9. Contact Searsservice facility.
Engineshuts down during operation. Fill fuel tank.
Engine Jackspower. Dirty air filter. Replaceair filter.
2O
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