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TROUBLESHOOTING 3700 PSI Pressure Washer PowerBOSS™
TROUBLESHOOTING
Problem Cause Correction
Pump has following problems:
failure to produce pressure, erratic
pressure, chattering, loss of
pressure, low water volume.
1. Low pressure spray tip installed.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over 100°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Spray tip is obstructed.
10. Pump is faulty.
1. Replace spray tip with high
pressure spray tip.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten inlet hose, patch leak.
5. Check and clean inlet hose
strainer.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace gun.
9. Clean spray tip.
10. Contact authorized service facility.
Detergent fails to mix with spray.
1. Detergent siphoning hose is not
submerged.
2. Detergent filter is clogged or
cracked.
3. Dirty in-line filter.
4. High pressure spray tip installed.
1. Insert detergent siphoning hose
into detergent.
2. Clean or replace filter/detergent
siphoning hose.
3. See "Check In-Line Filter".
4. Replace spray tip with low
pressure spray tip.
Engine shuts down during
operation.
Out of gasoline. Fill fuel tank.