Troubleshooting - Maryborough Paint Centre
Contents
1. 2 Excessive clearance between air cap diameter and nozzle OD 3 The air passing through the air cap holes is insufficient or the pressure is too low 4 The pressure pushing the paint pressurised pot operation is too high 5 The viscosity is too high 1 The air volume passing through the air cap holes is excessive and the pressure is too high 2 Paint or dust deposit between head and nozzle 1 Too much product 2 Product too thick 1 Jet support loose 2 Jet support ruined 1 There is no air in the gun 2 Air control valve not open properly 3 Product regulation button not open properly 4 The hole of the cover is obstructed 5 The hole of the non drip device is obstructed 1 The packing nut is too tight 2 Needle is damaged 3 Needle not aligned with nozzle 1 Too much product 2 Product too thin 3 Bad positioning of the gun 1 Too much thinners 2 Too high air pressure 1 Too high air pressure 2 Gun too far away from the surface to be sprayed 3 Too quick and arched in movement 1 Gun too far from the surface 2 Too high an air pressure 1 Gun too near 2 Too low an air pressure 3 Surface oxidised or greasy Remedies 1 Fill the pot 2 Adjust 3 Clean with solvent 4 Tighten or replace 5 Reduce the viscosity 6 Clean 7 Replace or adjust 1 Clean or replace 2 Clean or replace 3 Clean X 4 Clean Y 1 Clean X Y 2 Clean X Y 3 Replace 1 Replace 2 Replace 32. Increase the air volume or the pressure 4 Reduce the pressure 5 Reduce the viscosity 1 Reduce the air volume and reduce the pressure 2 Clean 1 Use less 2 Dilute it 1 Close it 2 Change it 1 Check the air line 2 Open the air regulation valve 3 Open the product regulation valve 4 Clean and or replace 5 Clean and or replace 1 Loosen it 2 Change it 3 Check or change it 1 Use less 2 Add some undiluted product 3 Keep the gun perpendicular 1 Add some undiluted product 2 Decrease the air pressure 1 Decrease the air pressure 2 Move closer 3 Slow down and keep straight in movement 1 Reduce the distance 2 Decrease the air pressure 1 Increase the distance 2 Increase the atomisation pressure 3 Clean or degrease the surface ph07 41216192 www maryboroughpaintcentre com au
3. Symptoms The paint does not come out regularly i e spluttering agi Irregular spray pattern Only on one side X N Ra Y amp e sy i m7 x Semicircular spray pattern Irregular spray pattern drop pattern Irregular spray pattern narrow at the centre Spray centre too full Impossible to get a round spray It does not atomise Product leaking out of the nozzle Sagging Too much atomising overspray Too much atomisation at the edges of the spray Coarse finish dry atomisation Finish with orange peel look MARYBOROUGH PAINT CENTRE A Troubleshooting Causes 1 Insufficient paint in the pot 2 The gun is too inclined 3 The paint flow is obstructed 4 The nozzle is loose or damaged 5 The viscosity of paint is too high 6 The hole of the cover is obstructed 7 The packing gland of the needle is worn or the gland nut is loosened 1 The hole of the curved head is partially obstructed or damaged 2 Paint or dust sticks on head conical walls and on the nozzle or the parts are damaged 3 X Paint or dust sticks on upper portion of the nozzle 4 Y Paint or dust sticks on lower portion of the nozzle 1 X The air cap right hole is obstructed 1 Y The air cap left hole is obstructed 2 X Paint sticks on the right side of the air cap 2 Y Paint sticks on the left side of the air cap 3 The air cap or nozzle holes are damaged 1 Damaged nozzle
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