Graco Inc ti12795a, 313317c, 256856, 257092, 256855, ti12906a Troubleshooting, Problem Cause Solution

		Troubleshooting
	Troubleshooting
Problem	Cause	Solution
Orange peel finish - Paint	Pain droplets too large	• Maintain proper spraying distance, page 2.
surface not smooth		• Keep turbine air filters clean to allow full air
		flow.
		• Do not use an air hose that is too long to
		provide sufficient atomization pressure.
		• If droplets are still too large, reduce fluid.
	Paint droplets drying too fast to prop-	Keep object being sprayed out of direct sunlight.
	erly flow out of gun	When spraying in warmer temperatures, use a
		slower evaporating solvent or a reducer.
	Cold weather spraying	Keep fluid and object being sprayed as close to
		room temperature as possible. When spraying
		on a cold surface, most paints will become too
		thick to flow properly.
Blushing - clear coatings	Moisture condensation is trapped in	• Allow turbine to warm up a few minutes
appear milky	lacquer when spraying in hot, humid	before spraying.
	conditions	• Store lacquer off concrete floors, at room
		temperature.
		• Apply lighter coats and allow for proper dry-
		ing time.
		• Use a slower evaporating solvent or
		reducer.
		• Do not spray in windy conditions.
Fish eyes - small pools on	Silicone contamination from lubri-	Clean all parts with a cleaning solvent; wipe with
painted surface that will not	cants, grease, polish, or waxes on	a solvent rag and a clean rag. Replace rags as
fill	the surface being sprayed	needed. If problem persists, use a fish eye elimi-
		nator.
Runs and sags	Applying too much paint per pass for	• Move gun faster or decrease fluid flow.
	the drying conditions	• Maintain proper spraying distance, page 2.
		• Reduce amount of thinner or use a faster
		drying thinner.
Solvent pops or bubbles	Sprayed surface drying before sol-	• Apply fluid in lighter coats to allow for proper
	vent gas can be released	evaporation.
		• Use the recommended thinners.
		• Follow the solutions for Orange Peel Finish,
		Paint Droplets Too Large in this Trouble-
		shooting Table.

313317C 5