Instruction/ maintenance manual of the product AirPro 313516C Graco
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313516C Instructions-Parts Automatic AirPro ® Spray Guns Conventional, HVLP, and Compliant guns for spraying paints and coatings. See page 2 for model information.
Models 2 313516C Contents Models ............................. 2 Warnings ........................... 3 Selection Charts ..................... 5 Air Flow ............................ 8 Installation ......................... 1 0 Setup .................
Warnings 313516C 3 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equip- ment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings.
Warnings 4 313516C PRESSURIZED EQUIPMENT HAZARD Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury. • Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.
Selection Charts 313516C 5 Selection Charts TERMS Light Fluid : Up to 18 seconds with No. 2 Zahn cup (20 centipoise) Medium Fluid :19 to 28 seconds with No. 2 Zahn cup (20-64 centipoise) Heavy Fluid : Greater than 28 seconds with No. 2 Zahn cup (greater than 64 centipoise) -- 2.
Selection Charts 6 313516C High Wear Applications ✠ Needle tip and nozzle exit constructed from tungsten carbide. Wood Applications Gun Selection HVLP Guns An HVLP gun is a high transfer efficiency gun that limits the air pressure at the air cap to 10 psi (0.
Selection Charts 313516C 7 Conventional Guns An airspray gun has excellent atomization and high production rates typically with some reduction in transfer efficiency. Proper Needle/Nozzle Selection The spray gun's needle/nozzle kits range in size to provide different fluid flow rates.
Air Flow 8 313516C Air Flow See the chart to determine air consumption. Add the air consumption values shown for the atom- izing air and fan air pressures to get the total air consumption. For example, air cap 24B544 with 20 psi atomizing air pressure uses 3 scfm atomizing air.
Air Flow 313516C 9 * Maximum HVLP/Compliant inlet manifold pressure. 288863 10 (0.07, 0.7) 2 10 (0.07, 0.7) 3 20 (0.14, 1.4) 4 20 (0.14, 1.4) 5 30 (0.21, 2.1) 5 30 (0.21, 2.1) 8 40 (0.28, 2.8) 7 40 (0.28, 2.8) 11 50 (0.34, 3.4) 9 50 (0.34, 3.4) 13 27* (0.
Installation 10 313516C Installation The Automatic AirPro spray gun can spray most coatings or finishes currently being used for automotive, industrial, aerospace, marine, wood, plastic and architectural applications, while easily operating from paint delivery sys- tems, such as pressure pots or remote pumps for production line operation.
Installation 313516C 11 Install Air Fittings 1. Install the supplied 1/4 in. tube fitting into the cylinder (CYL) air port. 2. Install 3/8 in. tube fittings into the atomiza- tion (ATOM) air port and the fan (FAN) air port. Ground System The following grounding instructions are mini- mum requirements for a system.
Installation 12 313516C Mount Gun Reciprocating Arm Rod Mount To mount the gun on a reciprocating arm rod [0.5 in. (13 mm) diameter maximum]: 1. Insert the mounting bar (A) through the hole in the manifold as shown in F IG .3 . NOTE: Use the 1/8 in. alignment pin (P) to assist in orienting the gun.
Installation 313516C 13 Retrofit Adapter Plate The retrofit adapter plate enables the manifold to be attached to a variety of bolt patterns. To mount the gun using the retrofit adapter plate (Kit 288197; See Accessories , page 34): 1. Mount adapter plate to manifold using the three screws provided with the kit.
Setup 14 313516C Setup Connect Air Line NOTE: • You must install an air pressure regula- tor (F) on each gun air line to control air pressure to the gun. See F IG .6 . • If your regulated air source does not have a filter, install an air filter (G) on each air line to ensure a dry, clean air supply to the gun.
Setup 313516C 15 Flush Spray Gun Before running any paint through the spray gun: 1. Flush the gun with a solvent that is compat- ible with the fluid to be sprayed, using the lowest possible fluid pressure and a grounded metal container. 2. Perform Pressure Relief Procedure ; see page 18.
Setup 16 313516C Adjust Spray Pattern Use the fluid pressure regulator to adjust the spray gun fluid flow. Some models are equipped with a fluid control knob to make pre- cise fluid flow adjustments. Follow these steps to establish the correct fluid flow and air flow: 1.
Setup 313516C 17 NOTE: HVLP and Compliant Gun Limits HVLP Guns: local laws may limit the maximum pressure to 10 psi (70 kPa, 0.7 bar) at the air cap for compliance. See the table on page 7 for maximum HVLP/Compliant manifold inlet pressures. To measure pressure at the air cap, use the appropriate HVLP Pressure Verifica- tion Kit.
Operation 18 313516C Operation Pressure Relief Procedure 1. Turn off all bleed type air valves and all other air and fluid supplies to the gun. 2. Trigger the gun into a grounded metal waste container to relieve air and fluid pres- sure. Apply Fluid The spray gun has a built-in lead and lag oper- ation.
Operation 313516C 19 Daily Gun Care NOTICE Methylene chloride with formic or propi- onic acid is not recommended as a flush- ing or cleaning solvent with this gun as it will damage aluminum and nylon compo- nents. NOTICE Solvent left in gun air passages could result in a poor quality paint finish.
Operation 20 313516C General System Maintenance • Perform Pressure Relief Procedure , page 18. • Clean the fluid and air line filters daily. • Check for any fluid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed.
Troubleshooting 313516C 21 Troubleshooting NOTE: Check all possible remedies in the trou- bleshooting charts before disassembling the gun. Some improper patterns are caused by the improper balance between air and fluid. Refer to Spray Pattern Troubleshooting , page 22.
Troubleshooting 22 313516C Spray Pattern Troubleshooting Fluid needle will not trigger. Loose or missing fluid needle stop (29) or setscrew (30). Air leaking around piston (3). Swollen piston o-ring (8). Insufficient air pressure on trigger. Plug (19) is in incorrect fluid port.
Service 313516C 23 Service NOTE: Air Section Repair Kit 288171 and Fluid Section Repair Kit 24B675 are available for purchase separately. Numbers in parenthe- sis in the text refer to the reference numbers in the figures and in the parts list. Disassembly 1.
Service 24 313516C 13. Remove all o-rings from the piston (3) and stems (T). Check that the stems are solidly in place. If they are loose, replace the entire piston assembly (3). 14. Perform the following applicable step: a. Non-circulating guns: Remove the fluid outlet port plug (19), and gasket (22) from the fluid housing (2).
Service 313516C 25 Reassembly 1. Non-circulating guns only: Lubricate the backup ring (20†) and o-ring (21†) and install them on the fluid outlet port plug (19). Install the plug in the fluid outlet port of the fluid housing (2). See F IG .2 0 . 2.
Parts 26 313516C .Parts Parts F IG .2 0 SERVICE NOTES: Torque to 35-45 in-lb (4.0-5.1 N•m). Lubricate threads with anti-seize lubricant. Lubricate with light-weight oil. Tighten cap (4) until it bottoms out. Apply semi-permanent anaerobic sealant. Torque to 4-5 in-lb (0.
Parts 313516C 27 * Included in Air Seal Repair Kit 288171. † Included in Fluid Seal Repair Kit 24B675. ----- Not sold separately. ▲ Replacement Warning labels, signs, tags, and cards are available at no cost.
Repair Kits 28 313516C Repair Kits NOTE: Alternate nozzle sizes are also available. See Accessories , page 34. General Metal Applications Gun Part Number Spray Type Nozzle Orifice Size in.
Repair Kits 313516C 29 High Wear Applications Wood Applications ★ Model has Fluid Control Knob (for fine adjustment of fluid flow). ✠ Needle tip and nozzle exit constructed from tungsten carbide.
Repair Kits 30 313516C Part No. 288221 Manifold with bottom fluid ports ❄ Not shown. ----- Not sold separately. Ref. No. Part No. Description Qty. 101 ----- MANIFOLD, bottom fluid ports 1 103 120388 FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 1 105 114246 SCREW, set; 5/16, 0.
Repair Kits 313516C 31 Part No. 288223 North America Low Pressure Manifold with side fluid ports and fan adjustment valve Part No. 24C342 International Low Pressure Manifold with side fluid ports and fan adjustment valve ❄ Not shown, optional size ----- Not sold separately.
Repair Kits 32 313516C Part No. 288217 North America Manifold with side fluid ports Part No. 288218 International Manifold with side fluid ports ❄ Not shown, optional size. ----- Not sold separately. ❖ Part No. 288217 only. ◆ Part No. 288218 only.
Repair Kits 313516C 33 Part No. 288160 Rear Port Manifold, North America Part No. 288211 Rear Port Manifold, International ❄ Not shown, optional size. ----- Not sold separately ❖ Part No. 288160 only. ◆ Part No. 288211 only. Ref. No. Part No. Description Qty.
Accessories 34 313516C Accessories Alternate Nozzle Sizes Stainless Steel Air Cap Kits Cleaning Brush 105749 For use in cleaning gun. Lubricant 111265 One 4 oz. (113 gram) tube sanitary (non-sili- cone) lubricant for fluid seals and wear areas. Replacement Gun 24A780 Gun without needle, nozzle, and air cap.
Accessories 313516C 35 HVLP Pressure Verification Kit For use in checking air cap atomizing and fan pattern air pressure at various supply air pres- sures. Not to be used for actual spraying. Install the kit air cap on the gun. Turn on the air to the gun, then trigger the gun and read the air pressure on the gauge.
Dimensions 36 313516C Dimensions Manifold Models 288217 or 288218, All Gun Models Manifold Model 288221, All Gun Models F IG .2 6 5.3 in. (134.6 mm) 6.4 in. (162.6 mm) with fluid control knob ti13879a ti13880a 3.9 in. (99.1 mm) 3.0 in. (76.2 mm) 1.4 in.
Dimensions 313516C 37 Manifold Model 288223 or 24C342, All Gun Models Manifold Model 288160 or 288211, All Gun Models F IG .2 8 5.3 in. (134.6 mm) 6.4 in. (162.6 mm) with fluid control knob ti13883a ti13884a 3.8 in. (96.5 mm) 3.0 in. (76.2 mm) 1.4 in.
Mounting Hole Layouts 38 313516C Mounting Hole Layouts Manifold Models 288217 or 288218, All Gun Models F IG .3 0 ti13887a 1.75 in. (44.4 mm) 1.375 in. (34.9 mm) 1.5 in. (38.1 mm) 0.16 in. (4.1 mm) 0.92 in. (23.4 mm) 0.4 in. (10.2 mm) Two M5 x 0.8 x 0.
Mounting Hole Layouts 313516C 39 Manifold Model 288221, All Gun Models F IG .3 1 ti13888a 1.75 in. (44.4 mm) 1.375 in. (34.9 mm) 2.1 in. (53.3 mm) 0.18 in. (4.6 mm) 0.92 in. (23.4 mm) 0.4 in. (10.2 mm) Two M5 x 0.8 x 0.25 in. (6.3 mm) holes Two 0.13 diameter x 0.
Mounting Hole Layouts 40 313516C Manifold Model 288223 or 24C342, All Gun Models F IG .3 2 ti13889a 1.75 in. (44.4 mm) 1.3 in. (33 mm) 3.0 in. (76.2 mm 0.225 in. (5.7 mm) 2.0 in. (50.8 mm) 0.216 in. (5.5 mm) Four M6 x 1.0 x 0.34 in. (6.3 mm) holes 0.5 in.
Mounting Hole Layouts 313516C 41 Manifold Model 288160 or 288211, All Gun Models F IG .3 3 ti13890a 1.75 in. (44.4 mm 1.375 in. (34.9 mm 1.1 in. (27.9 mm) 0.19 in. (4.8mm) 0.92 in. (23.4 mm) 0.4 in. (10.2 mm) Two M5 x 0.8 x 0.25 in. (6.3 mm) holes Two 0.
Mounting Hole Layouts 42 313516C F IG .3 4 Retrofit Adapter Plate 288197 For use with manifold models 288217, 288218, 288221, 288216, and 288211 ti8178a 2.
Technical Data 313516C 43 Technical Data Triggering Speed These values apply to a new gun with a 12 ft. (3.6 m), 1/4 in. (6.3 mm) OD cylinder air line and a 0.055 in. nozzle. These values will vary slightly with use and with variations in equipment. Sound Data Sound power measured per ISO 9614-2.
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 313516 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
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