32
troubleshooting
Problem
Cause
Correction
Unit 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 siphoning tube is not submerged.
2. Detergent siphoning tube/filter is clogged
or cracked.
3. High pressure spray tip installed.
1. Insert detergent siphoning tube into
detergent.
2. Clean or replace filter/detergent siphoning
tube.
3. Replace with low pressure spray tip.
Engine lacks power.
1. Dirty air filter.
1. Replace air filter.
Engine will not start
1. Throttle lever on/off switch in OFF
position
2. No fuel in engine
3. Worn fouled or dirty spark plug
4. Pressure build up in pump
1. Turn throttle lever to ON position
2. Fill fuel tank or turn on fuel supply
3. Replace with factory recommended
spark plug
4. Squeeze trigger on spray wand
(refer to operating instructions in
owner’s manual)
Units with Oil Alert
Engine not level or
Engine oil level too low
Place engine on level surface or
Fill crankcases with SAE 10W30 oil (refer to
engine manufacturers instruction manual)
Engine runs well at no
load but “bogs” down
under full load
1. Engine speed is too slow
1. Adjust Throttle Lever back to full throttle.
GASOLINE ENGINES
Troubleshooting Chart
If you are experiencing a problem that is not listed in this chart, or have
checked all the possible cause listed and you are still experiencing the
problem, see your authorized dealer.
