19
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 screen.
6. Water supply is over 100°F (38°C).
7. High pressure hose is blocked or
leaks.
8. Spray gun leaks.
9. Spray tip is obstructed.
10. Pump is faulty.
1. Replace 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 screen.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace spray gun.
9. Clean spray tip.
10. Contact local service facility.
Detergent fails to mix with spray.
1. Detergent shut-off valve is in the
“
Off
” position.
2. High pressure spray tip installed.
1. Rotate detergent shut-off valve to
“
On
” position.
2. Replace with low pressure spray
tip.
Engine runs good at no-load but "bogs"
when load is added.
Engine speed is too slow.
Move throttle control to FAST position. If
engine still "bogs down", contact local
service facility.
Engine will not start; shuts down during
operation or starts and runs rough.
1. Low oil level.
2. Dirty air cleaner.
3. Out of fuel.
4. Stale fuel.
5. Spark plug wire not connected to
spark plug.
6. Bad spark plug.
7. Water in fuel.
8. Excessively rich fuel mixture.
1. Fill crankcase to proper level.
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain fuel tank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain fuel tank; fill with fresh fuel.
8. Contact local service facility.
Engine lacks power.
Dirty air filter.
Replace air filter.
Not
for
Reproduction
