Troubleshooting
Problem
Pump has following problems:failure to producepressure, erratic pressure, chattering, loss of pressure, low water
volume.
Detergent fails to mix with spray.
Engine runs good at
Engine will not start; or starts and runs rough.
Engineshuts downduring operation.
Enginelacks power.
Cause
1. Low pressure spray tip installed.
,Water inlet is blocked.
3. Inadequatewater supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose screen.
6. Water supply is over 100°F.
7.High pressure hose is blocked or leaks.
8.Spray gun leaks.
9.Spray tip is obstructed.
10.Pump is faulty.
1.Detergentsiphoning tube is not submerged.
2.Detergentsiphoning tube is clogged or cracked.
,High pressure spray tip installed.
Enginespeed is too slow.
1. Low oil level.
,Dirty air cleaner.
3. Out of fuel.
4. Stale fuel.
5.Spark plug wire not connectedto spark plug.
6.Badspark plug.
7.Water in fuel.
8.Excessivelyrich fuel mixture. Out of fuel.
Dirty air filter.
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.Contactlocal service facility.
1.Insert detergent siphoning tube into detergent.
2.Cleanor replacedetergent siphoning tube.
3.Replacewith low pressurespray tip.
Move throttle control to FASTposition. If engine still "bogs down", contact local service facility.
1.Fill crankcaseto proper level.
2.Cleanor replaceair cleaner.
3.Fill fuel tank.
4.Drain fuel tank; fill with fresh fuel.
5.Connectwife to spark plug.
6.Replacespark plug.
7.Drain fuel tank; fill with fresh fuel.
8.Contactlocal service facility.
Fill fuel tank.
Replaceair filter.
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