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Page 13SKU 97750 For technical questions, please call 1-800-444-3353.
TROUBLESHOOTING - GENERAL
IMPORTANT:
Improper cleaning is a common reason for the unit not to work properly.
Most problems can be avoided or remedied with prompt, thorough cleaning.
Problem Possible Causes Possible Solutions
Sputtering
spray.
Low uid level.1.
Cup tipped too far.2.
Clogged air vent.3.
Loose uid inlet connections.4.
Dry or loose uid needle packing nut.5.
Loose/damaged uid tip or seat. 6.
Rell cup.1.
Hold cup upright.2.
Clean vent hole.3.
Tighten inlet connections.4.
Lubricate and/or tighten.5.
Adjust or replace.6.
Will not
spray.
No pressure at gun.1.
Fluid control not open enough.2.
Fluid too thick.3.
Check air hose.1.
Open uid control.2.
Thin uid or increase air pressure.3.
Overspray. Improper application speed.1.
Improper distance from workpiece.2.
Too much air pressure.3.
Move moderately and parallel.1.
Adjust distance.2.
Reduce air pressure.3.
Fluid tip
leakage.
Dirty tip.1.
Tight packing nut.2.
Broken uid needle spring.3.
Worn or damaged tip.4.
Clean tip.1.
Loosen packing nut.2.
Replace uid needle spring.3.
Replace tip and/or needle.4.
Air leaking
from air cap.
Dirty air valve and/or seat.1.
Sticking air valve.2.
Damaged air valve spring.3.
Worn/damaged air valve and/or seat.4.
Bent valve stem.5.
Clean air valve and/or seat.1.
Lubricate air valve.2.
Replace air valve spring.3.
Replace air valve and/or seat.4.
Replace valve stem.5.
Fluid leaking
from packing
nut.
Packing nut loose.1.
Packing worn or dry.2.
Tighten without restricting.1.
Lubricate and/or tighten without 2.
restricting.
Follow all safety precautions whenever diagnosing or servicing the
tool. Disconnect power supply before service. If the steps above
do not solve the problem, or if the repairs involved are too complex,
contact a qualied service technician.