10
MANUAL - SPRAY GUN CLEANERS - UG1000-3000 SERIES
TROUBLESHOOTING CHART
SYMPTOM
REASON CORRECTIVE ACTION
• Drain valve closed
• Solvent level too low
• Paint debris in pump
• Blockage in solvent line
After Each Step Below, Turn
Timer. If solvent does not flow,
carry out next step.
• Open drain valve (put in verti-
cle position), if not already
open
• Check wash solvent level. Add
solvent if less than 1/2 full.
• Follow Procedure 1, Blocked
Fluid Passage in Diaphragm
Pump.
• Follow Procedure 4, Blocked
Passage in Solvent Line
WASH SOLVENT DOES
NOT FLOW AND PUMP
MAKES A HISSING NOISE
• Water in air line causes
pump to stall
• Follow Procedure 2, Blockage
in Air Passage in Diaphragm
Pump
WASH SOLVENT DOES
NOT FLOW AND PUMP
DOES NOT MAKE A NOISE
• Pump leaks
• Blockage in air passage
• Replace pump
• Follow Procedure 3, Blocked
Passage in Air Line
PUMP DOES NOT STOP
UNLESS TIMER IS TURNED
BY HAND OR AIR IS SHUT
OFF
• Defective timer
• Replace timer
TIMER KNOB SPINS BACK
WHEN TURNED
• Defective timer
• Replace timer
INSIDE WALL OF TANK IS
COATED WITH PAINT EVEN
THOUGH OPERATOR
MAINTAINS TANK
• Solvent lacks cleaning
strength
• Replace solvent with solvent
that is formulated for type of
paint used and for use with
automatic spray gun cleaning
WASH SOLVENT DOES
NOT FLOW AND PUMP
MAKES A PUMPING NOISE
