Problem
Cause
Correction
Will not draw
chemicals
Spray wand not in low pressure.
See How to Use Spray Wand paragraph in
Chemical filter clogged.
the Operation Section
Chemical screen not in
Clean filter.
Ensure end of chemical hose is fully s
chemical
Chemical too thick.
ubmerged into chemical.
Pressure hose is too long
Dilute chemical. Chemical should be the
Chemical build up in chemical
same consistency as water.
injector.
Lengthen water supply hose instead of high
No or low
pressure ( after
Worn seal or packing
Have replaced by AWSC. Have replaced by AWSC. Have
period of normal
Worn or obstructed valves. Worn
replaced by AWSC. Have replaced by AWSC.
use)
unloader piston. Worn E-Z start
valve.
Water leaking at
Worn or broken o-ring.
Loose hose
Check and replace. Tighten.
gun/spray wand
connection.
connection
Water leaking at
Loose connections.
Piston packings Tighten.
pump
worn.
Have replaced by AWSC.
Worn or broken o-rings.
Have replaced by AWSC. Have replaced by AWSC.
Pump head or tubes damaged from
freezing.
Oil leaking at
Oil seals worn. Loose drain plug.
Have replaced by AWSC Tighten.
pump
Worn drain plug, o-ring Worn fill
plug o-ring. Pump overtilled.
Check and replace. Check and replace.
Incorrect oil used.
Check for correct amount
Vent plug is clogged.
Drain and fill wtth correct amount and type of oil.
Clean vent plug; blow air through it to remove any
blockage. If problem persists, replace plug.
Pump Pulsates
Nozzle obstructed.
See Spray Wand paragraph in the maintenance section for
the correct procedure.
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