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150 PSI maximum air pressure. 1.4" NPT. Figure 6. G6261 Campbell Hausfeld™ water filter. G8114—3.8" x 25 Ft. Air Hose G8115—3.8" x 50 Ft. Air Hose G8116—3.8" x 100 Ft. Air Hose Multi-purpose red rubber air hose is flexible and abrasion resistant. Rated for 200 PSI, this air hose has a bursting strength of 800 PSI and 1.4" NPT ends. Figure 7. Red rubber air hose. H7274—Campbell Hausfeld™ Pressure Regulator Provides regulated output pressure of 0 to 125 PSI for proper tool operation. Locking pressure knob prevents accidental adjustments. 15 SCFM flow capacity @ 90 PSI. 1.4" NPT. Figure 8. H7274 Campbell Hausfeld™ pressure regulator. H3174—Air Blow Gun with 2 Tips This air blow gun includes a safety tip and rubber tip for all normal air cleaning jobs. 1.4" NPT. Figure 9. H3174 Air Blow Gun with 2 Tips. -12-Model H8116 Spray Gun SECTION 6: MAINTENANCE Cleaning Proper cleaning is the best way to ensure trouble free performance from your spray gun. If your gun is not thoroughly cleaned between uses, damage and poor spraying will result. Problems caused by improper cleaning are not covered by the warranty. Clean the spray gun immediately after each use. To clean your spray gun: 1. Spray a small amount of solvent or reducer through the spray gun. Note: Check with local laws regarding this practice. If you are spraying on a regular basis, spraying solvents into the air may be illegal. A cabinet style spray gun cleaner may be required. 2. Disconnect the gun from the air supply! 3. Unscrew the cup. 4. Use a wrench to loosen the air flow control knob, then remove the knob, the spring, and needle. Figure 10. Typical disassembly for clean- ing. Atomizing Cap Fluid Tip Spring & Needle Cup Air Flow Control EXPLOSION HAZARD! Chlorinated SolventslikeTricloroethaneand MethyleneChloride(methylchlo- ride) can chemically react with alu- minum and may explode. Many parts in spray guns are made of aluminum. Readsolvent label carefully before using solvent. 5. Unscrew the atomizing cap with your fingers and remove the fluid tip with the service wrench. The fully disassembled gun should look like Figure 10. 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 clean solvent. If the blockage still exists, clear the blockage with a small needle, taking great care to not enlarge or damage the hole. Damage to the hole will create a disrupted spray pattern. 7. Use the cleaning brush with solvent to clean the inner orifice and other hard to reach areas on the outside of the spray gun body. 8. Wipe the rest of the gun body with a shop towel and dry. NOTICE DO NOT soak the spray gun body in solvent. Prolonged exposure to solvent will rapidly deteriorate the spray gun washers and seals. Ignoring this notice will void your warranty. Model H8116 Spray Gun -13 Lubrication Lubricate the following areas on the Model H8116 (Figure 11) with spray gun oil, grease or petroleum jelly after cleaning. A. Atomizing Cap Threads B. Air Valve Packing C. Trigger Pin D. Air Flow Control Valve E. Pattern Control After each cleaning apply a thin film of petroleum jelly to the needle spring before reassembling. Troubleshooting Figure 11. Lubrication points, Model H8116. A B C D E Symptom Possible Cause Solution Fluttering or Spitting spray. 1. Dry or worn fluid tip seat permits air to seep into fluid passage. 2. Material level too low. 3. Fluid tip or filter obstructed. 4. Dry needle packing. 1. Tighten fluid tip or replace seat with new one. 2. Add material. 3. Clean. 4. Lubricate needle. Pattern is incorrect shape. 1. Fluid nozzle damaged or clogged by paint. 1. Clean fluid nozzle. No spray output. 1. No pressure at gun. 2. Out of paint. 3. Fluid passages dirty. 4. Fluid control closed. 1. Check air supply. 2. Refill. 3. Clean gun, remove any obstructions. 4. Open. No air output. 1. Air switch clogged. 2. Air switch damaged. 1. Clean. 2. Change. -14 Model H8116 Spray Gun Symptom Possible Cause Solution Excessive over- spray. 1. Fluid pressure too high. 2. Gun is too far from surface. 1. Reduce fluid pressure. 2. Keep gun at recommended distance. 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 finish aka "Orange Peel." 1. Holding gun too close to surface. 2. Inlet air pressure too low. 3. Material not properly mixed. 4. Surface is dirty or oily. 1. Spray at recommended distance. 2. Check inlet air pressure. 3. Follow manufacturer's instructions. 4. More surface prep is required. Dry...