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Problem Cause
Pump has following problems:
failure to producepressure,
erratic pressure, chattering,Joss
of pressure,low water volume.
Detergentfails to mix with spray.
Enginerunsgood at no-load but
"bogs" whenload is added.
Enginewill not start; or startsand
runs rough.
1. Water inlet is blocked.
2. inadequatewater supply.
3. inlet hose is kinkedor leaking.
4. Clogged inlet hose strainer.
5. Water supply is over IO0°F.
6. High pressure hose is blocked or
leaks.
7. Gun leaks.
8. Spray tip is obstructed.
9. Pump is faulty.
1. Detergentsiphoning tube is not
submerged.
2. Detergentsiphoning tube/filter is
clogged or cracked.
3. High pressure spray tip installed.
Engine speed is too slow.
1. Throttle lever in STOPposition.
2. Dirty air cleaner.
3. Out of fuel.
4. Stale fuel.
5. Spark plug wire not connected to
spark plug.
6. Badspark plug.
7. Water in fuel.
8. Overchoking.
9. Excessivelyrich fuel mixture.
Correction
1. Clear inlet.
2. Provide adequatewater flow.
3. Straighten inlet hose, patch leak.
4. Checkand clean inlet hose strainer.
5. Provide cooler water supply.
i
i
i6. Clear blocks in high pressure hose or
replace hose.
7. Replacegun.
8. Cleanspray tip.
9. Contact Sears service facility.
1. insert detergent siphoning tube into
detergent.
2. Cleanor replacefilter/detergent
siphoning tube.
3. Replacehigh pressure spray tip with
black spray tip.
Move throttle lever to FASTposition, if engine
still "bogs down", contact Sears service
facility.
1. Move throttle lever to FASTposition.
2. Cleanor replaceair cleaner.
3. Fill fuel tank.
i
i
i4. Drain fuel tank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replacesparkplug.
7. Drain fuel tank; fill with fresh fuel.
8. Openchoke fully and crank engine.
9. Contact Sears service facility.
Engine shutsdown during Out of fuel. Fill fuel tank.
operation.
Engine Jackspower. Dirty air filter.
Choke is opened too soon.
Engine"hunts" or faJters.
Replaceair filter.
Move choke to halfway position until engine
runs smoothly.
2O
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