Chicago Electric 97750 Troubleshooting General, Problem Possible Causes Possible Solutions

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	1.	Low fluid level.	1.	Refill cup.
spray.	2.	Cup tipped too far.	2.	Hold cup upright.
	3.	Clogged air vent.	3.	Clean vent hole.
	4.	Loose fluid inlet connections.	4.	Tighten inlet connections.
	5.	Dry or loose fluid needle packing nut.	5.	Lubricate and/or tighten.
	6.	Loose/damaged fluid tip or seat.	6.	Adjust or replace.
Will not	1. No pressure at gun.		1.	Check air hose.
spray.	2.	Fluid control not open enough.	2.	Open fluid control.
	3.	Fluid too thick.	3.	Thin fluid or increase air pressure.
Overspray.	1. Improper application speed.		1.	Move moderately and parallel.
	2.	Improper distance from workpiece.	2.	Adjust distance.
	3.	Too much air pressure.	3.	Reduce air pressure.
Fluid tip	1.	Dirty tip.	1.	Clean tip.
leakage.	2. Tight packing nut.		2.	Loosen packing nut.
	3.	Broken fluid needle spring.	3.	Replace fluid needle spring.
	4.	Worn or damaged tip.	4.	Replace tip and/or needle.
Air leaking	1.	Dirty air valve and/or seat.	1.	Clean air valve and/or seat.
from air cap.	2.	Sticking air valve.	2.	Lubricate air valve.
	3.	Damaged air valve spring.	3.	Replace air valve spring.
	4.	Worn/damaged air valve and/or seat.	4.	Replace air valve and/or seat.
	5.	Bent valve stem.	5.	Replace valve stem.
Fluid leaking	1.	Packing nut loose.	1.	Tighten without restricting.
from packing	2.	Packing worn or dry.	2.	Lubricate and/or tighten without
nut.				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 qualified service technician.

SKU 97750 For technical questions, please call 1-800-444-3353. Page 13