Troubleshooting - Grizzly H8189/H8190 Owner's Manual

Symptom Possible Cause
Engine won't start. 1. Fuel tank is empty.
2. Fuel valve is closed.
3. Spark plug wire is not attached.
4. Spark plug is fouled.
5. Air filter is clogged.
6. Water pressure has built up in the pump.
7. Internal engine components have failed.
Engine starts, but 1. Engine speed is too slow.
runs poorly. 2. The fuel line is clogged.
3. The fuel valve is partially closed.
4. Low quality or contaminated fuel.
5. Air filter is dirty.
6. Internal engine components are worn or
have failed.
No, or low, water 1. Low water supply.
pressure. 2. Low pressure nozzle attached.
3. Leak at high pressure hose fitting.
4. Water filter screen clogged.
5. Engine is not in high throttle position.
6. High pressure hose is too long.
7. Engine or pump components are worn or
have failed.
Will not draw chemi- 1. Spray gun does not have low pressure
cals. nozzle attached.
2. Chemical filter clogged.
3. Chemical hose and filter not fully sub-
merged in chemical.
4. Chemical is too thick.
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Troubleshooting

Solution
1. Add fuel.
2. Open fuel valve.
3. Attach spark plug wire.
4. Replace spark plug.
5. Clean air filter.
6. Release water pressure by squeezing spray gun trig-
ger.
7. Refer to engine manual and/or see a qualified tech-
nician for repair.
1. Increase throttle setting.
2. Clear the fuel lines.
3. Fully open the fuel valve.
4. Replace with a clean, quality, unleaded gasoline.
5. Clean air filter.
6. Refer to a qualified technician.
1. Water supply must flow at least 5 GPM.
2. Attach a higher pressure nozzle.
3. Tighten or replace fitting as necessary.
4. Remove and clean filter.
5. Increase engine speed with throttle lever.
6. Use high pressure hose under 100 ft.
7. Refer a qualified technician for repair.
1. Attach low pressure nozzle.
2. Clean filter.
3. Be sure chemical hose and filter stay fully sub-
merged in chemical.
4. Dilute chemical. Chemicals should be the consis-
tency of water.
H8189/H8190 Gasoline Pressure Washer