WAGNER ProSpray 3.21 0558019 Operating Manual

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WAGNER ProSpray 3.21 0558019 Operating Manual Manual pdf 13 page image

ProSpray 3.21 13GB Remedy in case of faultsType of malfunctionA. Unit does not startB. Unit does not draw in materialC. Unit draws in material, but thepressure does not build upD. Coating material exits at the top ofthe fluid sectionE. Increased pulsation at the spraygunF. Poor spray patternG. Unit loses powerPossible cause1. No voltage applied.2. Pressure setting too low.3. ON/OFF switch defective.1. Relief valve is set to SPRAY (p spray).2. Filter projects over the fluid level andsucks air.3. Filter clogged.4. Suction hose/suction tube is loose, i.e.the unit is sucking in outside air.1. Tip heavily worn.2. Tip too large.3. Pressure setting too low.4. Filter clogged.5. Coating material flows through thereturn hose when the relief valve is inthe SPRAY (p spray) position.6. Packings sticky or worn.7. Valve balls worn.8. Valve seats worn.1. Upper packing is worn.2. Piston is worn.1. Incorrect high-pressure hose type.2. Tip worn or too large.3. Pressure too high.1. Tip is too large for the coatingmaterial which is to be sprayed.2. Pressure setting incorrect.3. Volume too low.4. Coating material viscosity too high.1. Pressure setting too low.Measures for eliminating the malfunction1. Check voltage supply.2. Turn up pressure control knob.3. Replace.1. Set relief valve to PRIME (k circulation).2. Refill the coating material.3. Clean or replace the filter.4. Clean connecting points. Replace O-rings if necessary.Secure suction hose with retaining clip.1. Replace2. For selection of a smaller tip, see Tip table on Page 18.3. Turn pressure control knob clockwise to increase.4. Clean or replace the filter.5. Remove and clean or replace relief valve.6. Remove and clean or replace packings.7. Remove and replace valve balls.8. Remove and replace valve seats.1. Remove and replace packing.2. Remove and replace piston.1. Only use WAGNER original-high-pressure hoses in orderto ensure functionality, safety and durability.2. Replace tip.3. Turn pressure control knob to a lower number.1. Replace tip, see Tip table on Page 18.2. Turn pressure control knob until a satisfactory sprayingpattern is achieved.3. Clean or replace all filters.4. Thin out according to the manufacturer’s instructions.1. Turn pressure control knob clockwise to increase.9. Remedy in case of faults