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Problem Cause Correction
Pumphas following problems:
failure to producepressure,
erratic pressure, chattering, loss
of pressure,low water volume.
Detergent fails to mix with spray.
Enginerunsgood at no-load but
"bogs" when load is added.
Enginewill not start;or starts and
runsrough.
1. Low pressure spray tip 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
leaks.
8. Gun leaks.
9. Spray tip is obstructed.
10. Pump is faulty.
High pressure spray tip installed.
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. Bad spark plug.
6. Water in fuel.
7. Excessivelyrich fuel mixture.
1. Replacewith high pressure spray tip.
2. Clearinlet.
3. Provide adequatewater flow.
4. Straighten inlet hose, patch leak.
5. Checkand clean inlet hose strainer.
6. Provide cooler water supply.
7. Clearblocks in high pressure hose or
replace hose.
8. Replacegun.
9. Cleanspray tip.
10. Contact Sears service facility
Replacewith low pressure spray tip.
Move throttle control to FASTposition. If
enginestill "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. ContactSears service facility.
Engineshutsdown during Out of fuel. Fill fuel tank.
operation.
Engine lacks power. Dirty air filter. Replaceair filter.
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