Troubleshooting - general – Chicago Electric HVLP-ELECTRIC 97750 User Manual

Page 13

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Page 13

SKU 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 fluid level.

1.

Cup tipped too far.

2.

Clogged air vent.

3.

Loose fluid inlet connections.

4.

Dry or loose fluid needle packing nut.

5.

Loose/damaged fluid tip or seat.

6.

Refill 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 fluid control.

2.

Thin fluid 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 fluid needle spring.

3.

Worn or damaged tip.

4.

Clean tip.

1.

Loosen packing nut.

2.

Replace fluid 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 qualified service technician.

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