11
MANUAL - SPRAY GUN CLEANERS - UG5000 SERIES
Revision 2007-11
SYMPTOM
REASON CORRECTIVE ACTION
CLEANING PROBLEMS
GUNS NOT CLEAN,
PUMP WORKING,
SOLVENT OR WATER
FLOW NORMAL
• Trigger not locked in
open position
• Spray gun is not
properly installed on
to nozzle
• Incompatible solvent
• Low pressure in air
supply
• Plugged jets
After Each Step Below, Turn Timer. If
guns are not clean, carry out next step.
• Use Trigger Lock Spring
• Re-install with proper adapter
• Replace incompatible solvent with sol-
vent formulated for type of paint used
and for Automatic Spray Gun Cleaners.
• Increase air pressure to a minimum of
85 PSI
• Remove and clean by blowing air
through the jets. If not successful,
replace.
GUNS NOT CLEAN,
WASH SOLVENT IS
MILKY WHITE
• Wash solvent is con-
taminated with water
• Replace or recycle wash solvent
CLEAN RINSE DOES NOT
WORK
• Not enough solvent
in clean rinse pail
(right side)
• Rinse Pump is leak-
ing from a crack
caused by corrosion
due to acidic or chlo-
rine-contaminated
solvent
• Clean Rinse Air Valve
is defective
• See Section “REPLACING SOLVENT”
• Replace rinse pump
• Follow Procedure 3, “Blocked Passage
in Air Line” for
air rinse valve only.
CLEAN RINSE IS DIRTY
• Faulty Combination
Valve
• Replace Combination Valve.
TROUBLESHOOTING CHART
