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Model W1793/W1794 Professional Spray Gun

-13-

Symptom

Possible

 

Cause

Possible Solution

Excessive over-
spray.

1. Fluid pressure too high.
2. Gun is too far from surface.

3. Spraying too fast.

1. Reduce fluid pressure.
2. Keep gun at recommended 

distance.

3. Slow down and maintain 

consistent, even parallel 
stroke.

Unable to control 
spray fan.

1. Pattern adjustment screw is 

not seating properly.

2. Atomizing cap is loose.

1. Clean or replace.

2. Tighten atomizing cap.

Runs and sags.

1. Damaged seal.

1. Replace damaged seals.

Material leaks from 
cup.

1. Cap not secure.
2. Cup not tight on gun body.
3. Leaking from cap vent hole.

1. Tighten.
2. Tighten.
3. Hold gun upright do not 

tilt.

Material leaks from 
gun.

1. Fluid tip loose.
2. Dry or damaged seals.
3. Excessive pressure.

1. Tighten.
2. Replace seals.
3. Reduce pressure.

Thick dimpled fin-
ish aka "Orange 
Peel."

1. Holding gun too close to sur-

face.

2. Inlet air pressure too low.
3. Material not properly mixed.

4. Surface is dirty or oily.

1. Spray at recommended dis-

tance.

2. Check inlet air pressure.
3. Follow manufacturer's 

instructions.

4. More surface prep is 

required.

Dry Spray.

1. Inlet air pressure too high.
2. Gun too far from surface.

3. Gun stroke too fast.

1. Lower inlet air pressure.
2. Keep gun at recommended 

distance.

3. Slow down and maintain 

consistent even parallel 
stroke.

Gun leaks from 
fluid tip.

1. Debris will not let the needle 

seat with the fluid tip.

1. Clean or replace both.

Contaminated 
paint.

1. Water or oil in the air line.

1. Install an in-line air filter.

2. Replace air line.

Summary of Contents for SHOP FOX W1793

Page 1: ...T JUNE 2007 BY WOODSTOCK INTERNATIONAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF WOODSTOCK INTERNATIONAL INC 9624CR PRINTED IN CHINA...

Page 2: ......

Page 3: ...do a job for which it was not designed 9 DO NOT USE UNDER THE INFLUENCE OF DRUGS OR ALCOHOL SAFETY For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety sym...

Page 4: ...ccessories 16 REDUCE THE RISK OF UNINTENTIONAL FIRING Do not carry tool with hand on trigger and always disconnect from air when not in use 17 DISCONNECT TOOLS before servicing changing accessories or...

Page 5: ...s for Spray Guns 8 PROTECTIVE CLOTHING Protect exposed skin from overspray by wearing a protective suit or other approved garment 9 INAPPROPRIATE USE DO NOT point or shoot spray gun directly at yourse...

Page 6: ...s arise about your machine please contact Woodstock International Technical Support at 360 734 3482 or send e mail to tech support shopfox biz Our knowl edgeable staff will help you troubleshoot probl...

Page 7: ...them Note If you can t find an item on this list check the mounting location on the tool or examine the packaging materials carefully Occasionally we pre install certain components for safer shipping...

Page 8: ...gh the fluid tip 2 Pattern Control Adjusts the spray pattern from a round pattern to a wide fan 3 Air Flow Control Controls the fluid pressure inside the spray gun 4 Atomizing Cap Controls the spray p...

Page 9: ...on Page 4 or to the material manufacturer s recommendations 4 Adjust the atomizing cap to vertical or horizontal See Atomizing Cap and Fan Adjustments on Page 9 for further explanation 5 Fill the cup...

Page 10: ...stribute the material unevenly possibly creating sags and dry spots 10 Begin spraying 2 3 inches before the work piece and continue to the end of the work piece Continue the motion for a few inches pa...

Page 11: ...clogged atomizing holes on the atomizing cap horns see Cleaning on Page 10 Rotating the pattern adjustment control in Figure 11 will give you a range between the two patterns in Figure 12 Atomizing Ca...

Page 12: ...6 Rinse these parts thoroughly in solvent then dry with compressed air or let air dry Note If the small holes in the atomizing cap become blocked soak in cleaning solvent If the blockage still exists...

Page 13: ...spray gun lube after cleaning A Atomizing Cap Threads B Air Valve Packing C Trigger Pin D Air Flow Control Valve E Pattern Control F Fluid Control Knob After each cleaning apply a thin film of petrole...

Page 14: ...ern 1 Left or right side horn holes are plugged 2 Build up on left or right side of fluid tip 3 Build up of material inside atomizing cap 1 Clear holes 2 Clean 3 Clean Heavy deposit of material in cen...

Page 15: ...not tilt Material leaks from gun 1 Fluid tip loose 2 Dry or damaged seals 3 Excessive pressure 1 Tighten 2 Replace seals 3 Reduce pressure Thick dimpled fin ish aka Orange Peel 1 Holding gun too close...

Page 16: ...0 X1793030 NEEDLE KNOB 9 X1793009 FLUID NOZZLE 31 X1793031 O RING 8 7 X 1 85 10 X1793010 TRIGGER LEVER 32 X1793032 O RING 4 5 X 1 8 11 X1793011 TRIGGER 33 X1793033 SPECIAL WASHER 12 X1793012 SPECIAL W...

Page 17: ...X1794036 FLUID CAP WASHER 11 X1794011 PATTERN ADJ 37 X1794037 CAP NUT 12 X1794012 FLAT HEAD SCREW 38 X1794038 PIN SPRING 13 X1794013 FLUID ADJ KNOB 39 X1794039 DIRECTION SCREW 14 X1794014 SEALING CUP...

Page 18: ...ternational Inc s warranty then the original owner must bear the cost of storing and returning the product This is Woodstock International Inc s sole written warranty and any and all warranties that m...

Page 19: ...to a friend _____ Yes ____ No 6 What is your age group _____ 20 29 ____ 30 39 ____ 40 49 _____ 50 59 ____ 60 69 ____ 70 7 What is your annual household income _____ 20 000 29 000 ____ 30 000 39 000 __...

Page 20: ...TAPE ALONG EDGES PLEASE DO NOT STAPLE FOLD ALONG DOTTED LINE WOODSTOCK INTERNATIONAL INC P O BOX 2309 BELLINGHAM WA 98227 2309 Place Stamp Here FOLD ALONG DOTTED LINE...

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