DeVilbiss HVLP Gravity Feed Spraygun Spécifications télécharger pdf (Page 13)

1. Packing nut loose

2. Packing worn or dry

1. Sticking air valve stem

2. Foreign matter on air valve

or seat

3. Worn or damaged air valve

or seat

4. Broken air valve spring

5. Bent valve stem

6. Air valve gasket damaged

or missing

1. Dry packing

2. Packing nut too tight

3. Fluid tip or needle worn

or damaged

4. Foreign matter in tip

5. Fluid needle spring broken

6. Wrong size needle or tip

All Feed Systems

1. Loose or damaged fluid

tip/seat

2. Dry packing or loose fluid

needle packing nut

3. Material level too low

4. Container tipped too far

5. Obstruction in fluid passage

6. Loose or broken fluid tube

or fluid inlet nipple

Suction Feed Only

7. Material too heavy

8. Air vent clogged

9. Loose, damaged or dirty lid

10. Fluid tube resting on cup

bottom

11. Damaged gasket behind

fluid tip

1. Tighten, do not bind needle

2. Replace or lubricate

1. Lubricate

2. Clean

3. Replace

4. Replace

5. Replace

6. Replace

1. Lubricate

2. Adjust

3. Replace tip and needle with

lapped set

4. Clean

5. Replace

6. Replace

1. Tighten or replace

2. Lubricate packing or tighten

packing nut

3. Refill

4. Hold more upright

5. Backflush with solvent

6. Tighten or replace

7. Thin or reduce

8. Clear vent passage

9. Tighten, replace or clean

coupling nut

10. Tighten or shorten

11. Replace gasket

2. Air Atomizing Spray Guns (Cont’d)

13

Fluid leaking from packing nut

Air leaking from front of gun

Fluid leaking or dripping from

front of pressure feed gun

Jerky, fluttering spray

Problem Cause Correction

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 29 30

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