Binks TROPHY Serie Manuel De Service page 16

EN
CONDITION
Heavy top or
bottom pattern
Heavy right or left side
pattern
Heavy center pattern
Split spray pattern
Jerky or fluttering spray
Unable to get round spray
Will not spray
Paint bubbles in cup
Fluid leaking or dripping
from cup lid
Starved spray pattern
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TROUBLESHOOTING
CAUSE
Horn holes plugged.
Obstruction on top or bottom of fluid tip.
Cap and/or tip seat dirty.
Left or right side horn holes plugged.
Dirt on left or right side of fluid tip.
Remedies for the top-heavy, bottom-heavy, right-heavy, and left-heavy patterns:
1. D etermine if the obstruction is on the air cap or the fluid tip. Do this by making a test spray pattern. Then, rotate the
cap one-half turn and spray another pattern. If the defect is inverted, obstruction is on the air cap. Clean the air
cap as previously instructed.
2. I f the defect is not inverted, it is on the fluid tip. Check for a fine burr on the edge of the fluid tip. Remove with #600
wet or dry sand paper.
3. Check for dried paint just inside the opening; remove by washing with solvent.
Fluid flow too high for atomization air.
Material flow exceeds air cap's capacity.
Spreader adjustment valve set too low.
Atomizing pressure too low.
Material too thick.
Atomization air pressure too high.
Fluid flow too low.
Spreader adjusting valve set too high.
Loose or damaged fluid tip/seat. (Most common problem)
Material level too low.
Container tipped too far.
Obstruction in fluid passage.
Dry or loose fluid needle packing nut.
Spreader adjustment screw not seating properly.
Air cap retaining ring loose.
No air pressure at gun.
Fluid needle adjusting screw not open enough.
Fluid tip not tight.
Cup lid loose.
Dirty threads on cup or lid.
Cracked cup or lid.
Inadequate material flow.
Low atomization air pressure.
CORRECTION
Clean. Ream with non-metallic point.
Clean.
Clean.
Clean. Ream with non-metallic point.
Clean.
Balance air pressure and fluid flow. Increase spray pattern
width with spreader adjustment valve.
Thin or lower fluid flow.
Adjust
Increase pressure.
Thin to proper consistency.
Reduce at transformer or gun.
Increase fluid flow (increases gun handling speed).
Adjust.
Tighten or replace.
Refill.
Hold more upright.
Backflush with solvent.
Lubricate or tighten.
Clean or replace.
Tighten.
Check air supply and air lines, blow out gun air
passages.
Open fluid needle adjusting screw.
Tighten tip.
Tighten lid.
Clean.
Replace cup and lid.
Back fluid adjusting screw out to first thread, or change
to larger tip size.
Increase air pressure and rebalance gun.
16 / 20 77-3049-R2.7 (8/2017)