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1. Turn the pressure adjusting knob (A) fully counterclockwise to minimum pressure. 2. Put the intake tube (3) in the fluid container. 3. Plug in the sprayer. CAUTION Do not run the pump without fluid in it for more than 30 seconds to avoid damage to the displacement pump packings. WARNING FIRE AND EXPLOSION HAZARD To reduce the risk of static sparking and splashing when flushing, always remove the spray tip from the gun and hold a metal part of the gun firmly to the side of grounded metal pail. 4. Prime the pump. a. Open the pressure drain valve (44). Turn on the sprayer switch (105a). Slowly turn the pressure adjusting knob (A) clockwise until the sprayer starts. When fluid comes from the valve close it. b. Disengage the trigger safety latch. See Fig. 2. Holding a metal part of the gun firmly against a grounded metal pail, trigger the gun until all air is forced out of the system and the paint flows freely from the gun. c. Release the trigger and engage the trigger safety latch. 5. Check all fluid connections for leaks. Follow the Pressure Relief Procedure on page 11 before tightening connections. 6. Install the spray tip and tip guard. Engage the trigger safety latch. Install the spray tip according to the instructions supplied with it. 7. Adjust the spray pattern. a. Increase the pressure slowly just until spray from the gun is completely atomized. Use the lowest pressure needed to get the desired results. This reduces overspray and fogging, decreases tip wear and extends sprayer life. b. If more coverage is needed, use a larger tip rather than increasing the pressure. c. Test the spray pattern. Adjust the spray tip pattern according to the instructions supplied with the gun or tip. Fig. 2 Trigger safety latch shown engaged (SAFE) Trigger safety latch shown disengaged (OFF SAFE) Fig. 3 01745C 105a A 44 3 Maintenance WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Procedure Warning on page 11 before checking or repairing any part of the spray system. Cleaning a Clogged Tip WARNING To reduce the risk of serious bodily injury from from fluid injection: NEVER operate the spray gun with the tip guard removed. DO NOT hold your hand, body, or a rag in front of the spray tip when cleaning or checking for a clog. Always point the gun toward the ground or into a pail. DO NOT try to “blow back” paint; this is NOT an air spray sprayer. 1. Clean the front of the tip frequently. Follow the Pressure Relief Procedure, page 11, first. 2. Follow the cleaning instructions given in your separate gun or spray tip instruction manual. Shutdown and Care 1. Keep the packing nut/wet-cup (221) 1/3 full of TSL (Throat Seal Liquid, supplied) at all times to help prevent fluid buildup on the piston rod and premature wear of packings. Follow the Pressure Relief Procedure, page 11, before adding TSL. 2. Keep the packing nut/wet-cup just tight enough to stop leakage. See Fig. 5. Overtightening causes binding and excessive packing wear. Follow the Pressure Relief Procedure, page 11. Then use a round punch or brass rod and light hammer to adjust the nut. 3. Clean the fluid filter (15) often, and whenever the sprayer is stored. Follow the Pressure Relief Procedure, page 11, before cleaning the filter. 4. Lubricate the bearing housing (A) after every 100 hours of operation. Follow the Pressure Relief Procedure, page 11. Remove the front cover. Fill the bearing housing cavity with SAE 10 non-detergent oil. See Fig. 4. 5. For very short shutoff periods, leave the suction tube in the paint, relieve pressure, and clean the spray tip. 6. Flush the sprayer at the end of each work day and fill it with mineral spirits to help prevent pump corrosion and freezing. See page 9. CAUTION To prevent pump corrosion, and to reduce the chance of fluid freezing in the pump or pressure control in cold weather, never leave water or any type of paint in the sprayer when it is not in use. Freezing can seriously damage the sprayer or result in a loss of pressure or stalling. 7. Coil the hose and hang it on the hose rack when storing it, even for overnight, to help protect the hose from kinking, abrasion, coupling damage, etc. 7460A Fig. 4 A 01748C Fig. 5 221 15 Flushing NOTE: Several flushes may be required to clean the system and prepare it for the next fluid or storage. Use this chart to determine the required flushes and use the procedure below for flushing. *Use this category for flushing a brand new sprayer and flushing after storage. System has this fluid in it: Next fluid to be sprayed: Flushing order Before you spray or store sprayer: y fluid in it: sprayed: Flush 1 Flush 2 Flush 3 y p y sprayer: *Oil-based solvent or paint Oil-based paint – new color Mineral spirits none none Prime with oil Oil-based solvent or paint Water-based paint Mineral spirits Warm soapy water Clean water Prime with water Oil-based solvent or paint Prepare for storage Mineral spirits none none Relieve pressure Leave drain valv...
Otros modelos de este manual:Armas - 220-856 (1.02 mb)