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10
PROBLEM
CAUSE
CORRECTION
Open knob gradually until you
achieve desired flow rate (2½
turns maximum).
Add water to thin the solution.
Use Sears special cleaner/
degreaser.
Turn water control knob "OFF".
Only air and chemical control
knobs should be "ON".
Close knob until sputter stops.
Air compressor too small for
application. For best performance,
use 3½ or larger tank-type air
compressor delivering 125 psig.
Use maximum water pressure
available (not ot exceed 100 psig).
Open both knobs fully.
Scrub surface with rag or sponge
to loosen dirt then rinse with air
and water control knobs "ON".
None, the pulsations actually im-
proves the cleaning performance.
To wash or spray chemically use
chemical and air control knobs
"On" only. To rinse, use water and
air control knobs "On" only.
Chemical control knob not open
far enough or too far open.
Chemical/detergent not thinned
enough.
Chemical/detergent not proper
type for suction use.
Water control knob "ON".
Chemical control knob open too
far.
Air pressure to low.
Water pressure too low.
Water and/or air control knobs not
fully open.
Surface heavily soiled.
Air Pressure Washer is designed
to pulse at high air/water
pressures.
Air Pressure Washer is not
designed to do this.
1. Doesn't draw
chemical/detergent
like it should.
2. Sputters when
spraying chemical/
detergent.
3. Not enough spray
force.
Pulses when spraying
air/water mixture.
4. Chemical/detergent
doesn't combine with
water pressure inside
Air Pressure Washer.
TROUBLE SHOOTING GUIDE