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Problem
Cause
Correction
Pump has following problems:
failure to producepressure,
erratic pressure, chattering, loss
of pressure, low water volume.
Detergent fails to mix with spray.
Engine runsgood at no-load but
"bogs" when load is added.
Enginewill not start; or starts and
runsrough.
1.
Low pressure nozzle installed.
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 IO0°F.
7.
High pressure hose is blocked or
leaks.
8.
Gun leaks.
9.
Nozzle is obstructed.
10. Pump is faulty.
High pressure nozzle installed.
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.
1.
Replacewith high pressure nozzle.
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 high pressure hose or
replace hose.
8.
Replacegun.
9.
Cleannozzle.
10. Contact Sears service facility
Replacewith low pressure nozzle.
Move throttle control to FAST position, if
engine stiff "bogs down", contact Sears
service facility.
1.
Cleanor replace air cleaner.
2.
Fill fuel tank.
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 Sears service facility.
Engine shuts down during
Out of fuel.
Fill fuel tank.
operation.
Engine lackspower.
Dirty air filter.
Replaceair filter.
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