Operation Warning! full of material. Spray Gun Air Dryer Compressor Air For best service, you should incorporate an air dryer, a regulator, and an inline air filter, as shown above. We recommend an air dryer to send moisture-free air to the Spray Gun. All are available at Harbor Freight Tools. 1. You will need to prepare a 1/4” air connector (sold separately) to connect to the Air Inlet (#13). First, wrap the 1/4” air connector (not included) with pipe thread seal tape before connecting to a Air

3 / Modeles: p. 5 / Modelos: pg. 7 / Modelos: pag. 9 / Modelli: pag. 11 Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. Instructions de securite importantes Lire toutes les mises en garde et instructions de ce manuel. Sauvegarder ces instructions. Instrucciones importantes de seguridad Lea todas las advertencias e instrucciones de este manual. Guarde las instrucciones. Instrucoes de seguranca importantes Leia todas as advertencias e instr

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.

13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool when you are tired. 14. Check for damaged parts. Before using any tool, any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment and binding of moving parts; any broken parts or mounting fixtures; and any other condition that may affect proper operation. Any part that is damaged should be properly repaired or replac

Never attempt to spray flammable, combustible, or corrosive liquids with the Sprayer. Always follow all chemical label 6. precautions and local EPA regulations when using liquid chemicals. Do not touch harmful chemicals. After use, clean the Sprayer thoroughly with agents recommended by the chemical manufacturer. Never point the nozzle of the Spray 7. Gun Assembly at yourself, other people, pets and animals, or property. A note on Chemicals disposal: 8. Never attempt to burn unused fertilizers,

Use two wrenches (one on the swivel (8) and one on the hose), to tighten all connections securely. 3. Refer to sprayer instruction manual for priming instructions. Installing Tip (26) and Guard (25) on Gun WARNING 1.If equipment has recently been operated, relieve pressure. Set trigger lock (2). 2.Using a pencil or similar object, insert seal (24) into back of guard (25). 3. Install guard (25) over end of gun (1). 4. Insert tip (26) in guard (25). Tighten retaining nut. Operation Spraying 1. Unl

A black color on the commutator is normal. Have the commutator resurfaced by a qualified motor repair shop if the brushes seem to wear too fast. 5. Install the new brush (C) so its lead is in the long slot (H) of the holder. See Fig. 13. Slide the terminal (E) under the terminal screw washer. Make sure the motor lead (G) is still connected the at the screw. Tighten the screw (F). See Fig. 12. 6. Place the spring (B) on the brush as shown in Fig. 13. The spring must coil as shown. 7. Push in and

An in-line shutoff ball valve is an important safety device because it controls the air supply even if the air hose is ruptured. The shutoff valve should be a ball valve because it can be closed quickly. Note: Do not use an automatic oiler system or add oil to airline. The oil will contaminate the material being propelled, ruining the final result. 2. Attach an air hose to the compressor’s air outlet. Connect the air hose to the air inlet of the tool. Other components, such as a coupler plug and

5. To adjust the spray pattern, set up a piece of scrap material to practice on. While practicing on the scrap material, check to see that the material you are spraying has the appropriate consistency. If it appears to thin, add a very small amount of thinner (not included). BE CAREFUL when thinning. Proceed slowly, adding very minimal amounts. NEVER exceed the manufacturer’s thinning recommendations. Fan Direction and Pattern Adjustment Fan Direction To change the direction of the fan from hori

Box 1441 Minneapolis, MN 55440-1441 Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001 310893L Repair GMAX™ II 3900/5900/5900HD/7900 TexSpray™ 7900HD Airless Sprayers Korean patent: 10-0647761 - For Portable Airless Spraying of Architectural Coatings and Paints - 3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. GMAX ll 3900 248683 . 248684 . 248685 . . 248686 . . 249335 . . GM