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H8191 3600 PSI Diesel Pressure Washer
Symptom Possible Cause Solution
Engine won't start. 1. No fuel.
2. Cold weather has made fuel and oil overly
adhesive.
3. Fuel valve is closed.
4. Air filter is clogged.
5. Water pressure has built up in the pump.
6. Internal engine components have failed.
1.
Add fuel.
2. Move the machine into a warm area and allow the
engine block to warm up before returning to work
area to start.
3. Open fuel valve.
4. Clean air filter.
5. Release water pressure by squeezing spray gun trig-
ger.
6. Refer to engine manual or see a qualified technician
for repair.
Engine starts, but
runs poorly.
1. The fuel filter or fuel line is clogged.
2. The fuel valve is partially closed.
3. Low quality or contaminated fuel.
4. Air filter is dirty.
5. Engine speed is too slow.
6. Internal engine components are worn or
have failed.
1. Clean the fuel filter or clear the fuel lines.
2. Fully open the fuel valve.
3. Replace with a clean,
quality diesel fuel.
4. Clean air filter.
5. Increase throttle setting.
6. Refer to a qualified technician.
No, or low, water
pressure.
1. Low water supply.
2. Low pressure nozzle attached.
3. Leak at high pressure hose fitting.
4. Input hose
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.
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 fi
lter.
5. Increase engine speed with throttle lever.
6. Use high pressure hose under 100 ft.
7.
Refer a qualified technician for repair.
Will not draw chemi
-
cals.
1. Spray gun does not have low pressure
nozzle attached.
2. Chemical filter clogged.
3. Chemical hose and filter not fully sub
-
merged in chemical.
4. Chemical is too thi
ck.
1. Attach low pressure nozzle.
2. Clean fi
lter.
3. Be sure chemical hose and filter stay fully sub
-
merged in chemical.
4.
Dilute chemical. Chemicals should be the consis-
tency of water.
Troubleshooting