Woodstock W1793, W1794 owner manual Troubleshooting

Model W1793/W1794 Professional Spray Gun

Troubleshooting

Symptom

Possible Cause

Possible Solution

Fluttering or	1. Dry or worn fluid tip seat		1.	Tighten fluid tip or replace
Spitting spray.		permits air to seep into fluid		seat with new one.
		passage.
	2.	Material level too low.	2.	Add material.
	3.	Fluid tip or strainer obstruct-	3.	Clean.
		ed.
	4.	Dry needle packing.	4.	Lubricate needle.
Uneven top or bot-	1. Atomizing cap holes are		1.	Clear holes.
tom pattern.		obstructed.
	2.	Build-up on top or bottom of	2.	Clean.
		fluid tip.
	3.	Build-up on atomizing cap is	3.	Clean.
		on needle seat.
Right or left arc	1. Left or right side horn holes		1.	Clear holes.
pattern.		are plugged.
	2.	Build-up on left or right side	2.	Clean.
		of fluid tip.
	3.	Build-up of material inside	3. Clean.
		atomizing cap.
Heavy deposit of	1. The material flow exceeds		1.	Lower fluid flow.
material in center.		the atomizing cap capacity.
	2.	Inlet air pressure is too low.	2.	Increase inlet air pressure.
	3.	Material is too thick.	3.	Thin material.
Narrow center pat-	1. Volume control turned in too		1.	Increase volume.
tern.		far.
	2.	Inlet air pressure too high.	2.	Reduce inlet air pressure.
	3.	Fluid pressure is too low.	3.	Increase fluid pressure.
	4.	Material is too thin.	4.	Adjust material.
No spray output.	1. No pressure at gun.		1.	Check air supply.
	2.	Fluid passages dirty.	2.	Clean gun, remove any
				obstructions.
	3.	Fluid control closed.	3.	Open.
	4.	Out of paint.	4.	Refill.

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