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16 — ENG
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. Nozzle in wrong position.
2. Low water supply.
3. Leak at high pressure hose.
4. Nozzle obstructed.
5. Water filter screen clogged.
6. Air trapped in hose.
1. Nozzle not in low pressure
position.
2. Chemical filter clogged.
3. Chemical hose not in chemi-
cal.
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.
4. 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. Rotate nozzle to high pressure setting
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. 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. Refer to Operation section for low
pressure operation of nozzle.
2. Clean filter.
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