Excell PWZ0163100.02 Troubleshooting Guide download pdf (Page 14)

14 - ENG

TROUBLESHOOTING GUIDE

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Problem Cause Correction

Engine will not start (see En-

gine Manual for further engine

troubleshooting)

1. No fuel

2. Pressure builds up after two pulls on the

recoil starter or after initial use.

3. Choke lever in the “No Choke” position.

4. Spark plug wire not attached.

5. Engine ON/OFF switch in OFF position.

6. Choke lever in the “Choke” position on

a “hot” engine or an engine that has been

exposed to thermal heat for a long period of

time.

1. Add fuel.

2. Squeeze gun trigger to relieve pressure.

3. Move choke to the “Choke” position.

4. Attach spark plug wire.

5. Place engine ON/OFF switch in ON position.

6. Move choke to the “No Choke” position.

No or low pressure (initial use) 1. High pressure nozzle is not installed.

2. Low water supply.

3. Leak at high pressure hose tting.

4. Nozzle obstructed.

5. Water lter screen clogged.

6. Air in hose.

7. Choke lever in the “Choke” position.

8. High pressure hose is too long.

1. See How to Use Spray Wand instructions in the

Operation Section.

2. Water supply must be at least 5 GPM @ 20 PSI.

3. Repair leak. Apply sealant tape if necessary.

4. See Nozzle Cleaning instructions in the Mainte-

nance section.

5. Remove and clean lter.

6. Turn off the engine, then the water source.

Disconnect the water source from the pump inlet

and turn the water source on to remove all air

from hose. When there is a steady stream of water

present, turn water source off. Re-connect water

source to pump inlet and turn on water source.

Squeeze trigger to remove remaining water.

7. Move choke to the “No Choke” position.

8. Use high pressure hose under 100 feet.

Will not draw chemicals 1. Low pressure soap nozzle not installed.

2. Chemical lter clogged.

3. Chemical screen not in cleaning solution.

4. Chemical too thick.

5. Pressure hose too long.

6. Chemical build up in chemical injector.

1. See How to Use Spray Wand paragraph in the

Operation Section.

2. Clean lter.

3. Make sure end of chemical hose is fully sub-

merged into cleaning solution.

4. Dilute chemical. Chemical should be in the

same consistency as water.

5. Lengthen water supply hose instead of high

pressure hose.

6. Have parts cleaned or replaced by AWSC.

No or low pressure (after period

of normal use)

1. Worn seal or packing.

2. Worn or obstructed valves.

3. Warn unloaded piston.

1. Have replaced by AWSC.

2. Have replaced by AWSC.

3. Have replaced by AWSC.

Water leaking at gun/spray

wand connection

1. Worn or broken O-ring.

2. Loose hose connection.

1. Check and replace.

2. Tighten.

Water leaking at pump 1. Loose connections.

2. Piston packing worn.

3. Worn or broken O-rings.

Pump head or tubes damaged from freezing.

1. Tighten.

2. Have replaced by AWSC.

3. Have replaced by AWSC.

4. Have replaced by AWSC.

Pump Pulsates 1. Nozzle obstructed. 1. See Nozzle Cleaning paragraph in the Mainte-

nance section for the correct procedure.

AWSC= Authorized Warranty Service Center

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Excell PWZ0163100.02 Troubleshooting Guide Page 14

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