Troubleshooting
Problem
Cause
1. Low pressure spray tip installed.
,
3.
Pump has following problems:failure
4.
to producepressure, erratic pressure,
5.
chattering, loss of pressure, low water
6.
volume.
7.
8.
9.
10.
1.
2.
Detergent fails to mix with spray.
,
Engine runs good at no-load but "bogs" Engine speed is too slow.
when lead is added.
,
3.
4.
Engine will not start; or starts and runs
rough.
5.
Water inlet is blocked.
Inadequatewater supply.
Inlet hose is kinked or leaking.
Clogged inlet hose screen.
Water supply is over 100°F.
High pressure hose is blocked or
leaks.
Spray gun leaks.
Spray tip is obstructed.
Pump is faulty.
Detergentsiphoning tube is not
submerged.
Detergentsiphoning tube is
clogged or cracked.
High pressure spray tip installed.
1. Low oil level.
Dirty air cleaner.
Out of fuel.
Stale fuel.
Spark plug wire not connectedto
spark plug.
6. Bad spark plug.
7. Water in fuel.
8. Excessivelyrich fuel mixture.
Out of fuel.
Correction
1. Replacewith high pressure spray
tip.
2. Clearinlet.
3. Provide adequatewater flow.
4. Straighten inlet hose, patch leak.
5. Checkand clean inlet hose screen.
6. Provide cooler water supply.
7. Clearblocks in outlet hose.
8. Replacespray gun.
9. Cleanspray tip.
10. Contact local service facility.
1. Insert detergent siphoning tube into
detergent.
2. Cleanor replacedetergent
siphoning tube.
3. Replacewith low pressure spray
tip.
Move throttle control to FASTposition. If
engine still "bogs down", contact local
service facility.
1. Fill crankcase to proper level.
2. Cleanor replaceair cleaner.
3. Fill fuel tank.
4. Drain fuel tank; fill with fresh fuel.
5. Connectwife to spark plug.
Engineshuts downduring operation.
Enginelacks power.
Dirty air filter.
Replaceair filter.
6. Replacespark plug.
7. Drain fuel tank; fill with fresh fuel.
8. Contact local service facility.
Fill fuel tank.
20
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