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17 — ENG
D20249
Engine will not start
(see Engine Manual for
further engine trouble-
shooting)
No or low pressure
(initial use)
Will not draw chemicals
No or low pressure after
a period of normal use.
Water leaking at gun to
wand connection
Water leaking at pump
Oil leaking at pump
1. No fuel.
2. Low oil (if oil-alert equipped).
3. Pressure buildup after initial use.
4. Not primed or choked.
5. Spark plug wire not attached.
6. Engine ON/OFF switch in OFF
position (If equipped.)
1. Wrong nozzle selected.
2. Low water supply.
3. Leak at high pressure hose.
4. Nozzle obstructed.
5. Water filter screen clogged.
6. Defective E-Z start valve.
(If applicable)
7. Air trapped in hose.
1. Low pressure nozzle not in
wand.
2. Chemical filter clogged.
3. Chemical hose not in chemical.
1. Worn seal or packing.
2. Worn or obstructed valves.
1. Worn o-ring.
2. Loose hose connection.
1. Loose connections.
2. Piston packings worn.
1. Oil seals worn.
2. Loose drain plug.
3. Worn fill plug o-ring.
5. Pump overfilled.
5. Incorrect oil used.
1. Add fuel.
2. Add required amount of oil.
3. Squeeze gun trigger to relieve pres-
sure.
4. Push primer bulb 3 times or choke
engine.
5. Attach spark plug wire.
6. Place engine ON/OFF switch to ON
position.
1. Refer to page 11 for proper nozzle
selection.
2. Water supply must be at least 5 GPM
@ 20 PSI
3. Repair leak. Apply thread sealing tape
if necessary.
4. Clean nozzle with nozzle cleaning tool,
flush out obstruction with clean water.
5. Remove and clean filter.
6. Check with Authorized Warranty
Service Center (AWSC.)
7. Turn off engine, then water supply.
Disconnect water supply from pump
inlet, then turn water supply on to
remove all air from hose. When there is
a steady stream of water present, turn
water supply off. Reconnect water
supply to pump inlet and turn on water
supply. Squeeze trigger of spray gun
to remove remaining air.
1. See Using Chemicals/Cleaning Sol-
vents in the Operation section.
2. Clean filter. See How To Clean Water
Inlet Filter in Maintenance section.
3. Ensure end of chemical hose is fully
submerged into chemical.
1. Have replaced by AWSC.
2. Have replaced by AWSC.
1. Check and replace.
2. Tighten connection. If leak persists,
disassemble connection, apply thread
sealing tape to threads and reassemble
1. Tighten.
2. Have replaced by AWSC.
1. Have replaced by AWSC.
2. Tighten.
3. Check and replace.
4. Check for correct amount.
5. Drain and fill with correct amount
and type of oil.
PROBLEM
CAUSE
CORRECTION
TROUBLESHOOTING