Craftsman 919.716171 - Manuel (Page 12)

12- ENG D20059
D20059
TROUBLESHOOTING
PROBLEM CAUSE CORRECTION
Doesn't draw
chemical/
detergent like it
should.
Sputters when
spraying
chemical/
detergent.
Pulses when
spraying
air/water
mixture.
Not enough
spray force.
Chemical/
detergent
doesn't
combine with
water pressure
inside Power
Sprayer Wand.
Chemical control knob not
open far enough or too far
open.
Chemical/detergent not
thinned enough.
Water control knob "ON".
Chemical/detergent not
proper type for suction use.
Chemical control knob open
too far
Air pressure to low.
Water and/or air control
knobs not fully open
Water pressure too low.
Surface heavily soiled.
Power Sprayer Wand is
designed to pulse at high
air/water pressures.
Power Sprayer Wand is not
designed to do this
Open knob gradually until
you achieve desired flow
rate (2½ turns maximum).
Add water to thin the
solution.
Turn water control knob
"OFF".Only air and chemical
control knobs should be
"ON".
Use Sears special
cleaner/degreaser.
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.
Open both knobs fully.
Use maximum water
pressure available (not ot
exceed 100 psig).
Scrub surface with rag or
sponge 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.