TROUBLESHOOTING
PROBLEM
CAUSE
REMEDY
Motor does not run
A. No power to motor.
A. Check wall outlet and extension cord.
B. Loose electrical connection.
B. Discontinue use, call Customer Service.
C. Defective motor or switch.
C. Call Customer Service.
Motor makes muffled
A. The volume control knob is screwed in all the way.
A. Adjust the volume control knob.
humming sound
B. Seized piston.
B. Remove piston and cylinder housing. Clean, then add
petroleum oil.
C. Plugged atomizer valve or spray tip.
C. Replace atomizer valve and clean hole in spray tip.
D. Atomizer valve assembly is not seated properly.
D. Replace Atomizer Valve.
Stain or paint is spitting
A. Pick-up tube is not tight in cylinder housing.
A. Clean and firmly insert into intake opening on pump housing.
B. Container volume is low.
B. Refill container.
C. Improper adjustment.
C. Adjust volume control knob.
D. Stain or paint material is too thick.
D. Thin according to stain/paint manufacturer’s requirements.
E. Loose spray tip.
E. Tighten spray tip.
F. Stain or paint material has impurities.
F. Pour stain/paint material through strainer.
G. Worn atomizer valve.
G. Replace with new atomizer valve.
H. Worn piston.
H. Replace piston. Call Customer Service.
Excessive overspray (fogging)
A. Sprayer too far from surface.
A. Move sprayer closer to to surface.
B. Pressure too high.
B. Adjust volume control knob.
C. Worn spray tip.
C. Replace with new spray tip.
D. Stain or paint material is too thick.
D. Thin according to stain/paint manufacturer’s requirements.
Uneven spray pattern
A. One or more holes in the atomizer valve are clogged.
A. Clean atomizer valve.
B. Partial blockage in spray tip.
B. Clean spray tip.
C. Worn atomizer valve.
C. Replace with new atomizer valve.
Material leaks into head
A. Operating sprayer with an upward tilt.
A. Keep sprayer level.
of cylinder housing
B. Piston or cylinder housing scored.
B. Replace piston or cylinder housing.
Material dripping
A. Spray tip loose.
A. Tighten spray tip.
B. Operating sprayer at more than a 40° angle.
B. Keep sprayer upright.
Motor overheats
A. Seized piston.
A. Clean piston.
B. Operating sprayer for a prolonged period of time.
B. Let sprayer cool.
C. Extension cord too long.
C. Replace with proper size.
Stain or paint will not draw
A. Sprayer not lubricated.
A. Lubricate sprayer parts.
into the sprayer
B. Hole between inlet and cylinder housing plugged.
B. Make sure pick-up tube is in the correct port (longer one)
and then tighten the nozzle.
C. Suction tube is not tight on cylinder housing.
C. Clean and firmly insert into intake opening on pump housing.
Motor is running, but
A. Atomizer valve plugged.
A. Ensure that atomizer valve is clean and free from debris.
sprayer will not spray
B. Atomizer valve not properly seated.
B. Ensure the atomizer valve is properly seated within the
cylinder housing and inserted correctly.
C. Stain or paint material is too thick.
C. Thin stain/paint according to manufacturer’s requirements.
D. Pick-up tube is not tight to cylinder housing.
D. Reattach pick-up tube to cylinder housing.
E. Failure to prime with backpack tube.
E. Thin stain/paint according to manufacturer’s requirements.
Hold sprayer below level of paint can when priming.
F. Loose or damaged backpack tube.
F. Tighten or replace.
G. Spray tip plugged.
G. Thoroughly clean or replace spray tip.
H. Worn piston.
H. Replace piston. Call Customer Service.
Sags and runs in painted
A. Movement of arm too slow, holding sprayer
A. See SPRAYING INSTRUCTIONS page 8.
surface
too close to work surface or applying too much paint.
Quick release cartridge will
A. Seized piston.
A. Clean quick release cartridge thoroughly and reassemble.
not lock into place
B. Locking device defective.
B. Call Customer Service.
ROCIADORES SIN AIRE PRO 6.8, PRO 6.8 PLUS
ENGLISH
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