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Problem
Cause
Pump has following problems:failure
to producepressure, erratic pressure,
chattering, loss of pressure, low water
volume.
1.
Low pressure nozzle installed.
2.
Water inlet is blocked.
3.
Inadequatewater 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
Detergent fails to mix with spray.
leaks.
8.
Gun leaks.
9.
Nozzleis obstructed.
Correction
1.
Replace nozzle with 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 outlet hose.
10.
1.
2.
3.
1.
2.
8.
Replacegun.
9.
Cleannozzle.
Enginewill not start; or startsand runs
Pump is faulty.
10.
Detergentsiphoning tube is not
submerged.
Detergentsiphoning tube/filter is
clogged or cracked.
High pressure nozzle installed.
Fuelvalve is in "Off" position.
Engine stop switch in "Off" position.
3.
Low oil level.
4.
Dirty air cleaner.
5.
Out of fuel.
6.
Stale fuel.
Contact Sears service facility.
1.
Insert detergent siphoning tube into
detergent.
2.
Cleanor replacefilter/detergent
siphoning tube.
3.
Replace nozzle with low pressure
nozzle.
1.
Turn fuel valve to "On" position.
2.
Placeengine stop switch in "On"
position.
7.
Spark plug wire not connected to
spark plug.
8.
Bad spark plug.
9.
Water in fuel.
O. Overchoking.
1. Excessively rich fuel mixture.
2. Intake valve stuck open or closed.
rough.
3.
Fill crankcase to proper level.
4.
Cleanor replaceair cleaner.
5.
Fill fuel tank.
6.
Drain fuel tank; fill with fresh fuel.
Engine shutsdownduring operation.
Engine lacks power.
Engine"hunts" or falters.
3. Engine has lost compression.
Out of fuel.
7.
Connectwire to spark plug.
8.
Replacespark plug.
9.
Drain fuel tank; fill with fresh fuel.
10. Open choke fully and crank engine.
11. Contact Sears service facility.
12. Contact Sears service facility.
Dirty air filter.
Choke is opened too soon.
13. Contact Sears service facility.
Fill fuel tank.
Replaceair filter.
Move choke to halfway position until
engine runs smoothly.
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