Page 2 - Contents; Application
Models 2 313516G Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Selection Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Air Flow . . . . . . . . . . . . . . . . . . ...
Page 3 - Warnings; WARNING
Warnings 313516G 3 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equip-ment. The exclamation point symbol aler ts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-s...
Page 4 - Tighten all fluid connections before operating the equipment.
Warnings 4 313516G PRESSURIZED EQUIPMENT HAZARDFluid 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. ...
Page 5 - Selection Charts; TERMS; General Metal Applications
Selection Charts 313516G 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) -- 2.8 Volatile Organic Compo...
Page 6 - High Wear Applications; Wood Applications; HVLP Guns
Selection Charts 6 313516G 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 (0.07 MPa, 0.7 bar) maximum. In some areas, ...
Page 7 - Conventional Guns; Proper Needle/Nozzle Selection
Selection Charts 313516G 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. As a general g...
Page 8 - Air Flow; Atomizing Air
Air Flow 8 313516G 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. A 30 psi fan inlet pre...
Page 10 - Installation; Ventilate Spray Booth; Circulating System
Installation 10 313516G 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 remo...
Page 11 - Install Air Fittings; Ground Pump/Fluid Supply; CYL
Installation 313516G 11 Install Air Fittings 1. Install the supplied 1/4 in. tube fitting into the cylinder (CYL) air por t. 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 requirement...
Page 12 - Mount Gun; Reciprocating Arm Rod Mount; hole in the manifold as shown in F; Secure the gun to the bar by tightening the; Stationary Support; . 4 and to the correct mounting
Installation 12 313516G 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. ...
Page 13 - Retrofit Adapter Plate; Mount adapter plate to manifold using the; . 5 and the mounting hole layout on
Installation 313516G 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 wi...
Page 14 - Setup; Connect Air Line; For manifolds with a separate ATOM and; Connect Fluid Hose
Setup 14 313516G 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 t...
Page 15 - Flush Spray Gun; Do not overtighten; Side Mounted Manifold Ports; Vertical Pattern
Setup 313516G 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. Position Air...
Page 16 - Adjust Spray Pattern; To achieve desired flow, adjust the fluid flow; Table 1: Suggested Starting Settings
Setup 16 313516G 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. To achieve desired flow, adju...
Page 17 - NOTE: HVLP and Compliant Gun Limits; Test the spray pattern atomization while
Setup 313516G 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 HV...
Page 18 - Operation; Pressure Relief Procedure; Turn off all bleed type air valves and all; Apply Fluid; To achieve best results when applying fluid:; Correct
Operation 18 313516G 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-atio...
Page 19 - Daily Gun Care; Do not point the gun up while cleaning it.
Operation 313516G 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. Do n...
Page 20 - General System Maintenance
Operation 20 313516G 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. • Flush the gun before changing colors and whenever...
Page 21 - Troubleshooting; General Troubleshooting; Problem
Troubleshooting 313516G 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. General Troubleshooting Problem ...
Page 22 - Spray Pattern Troubleshooting
Troubleshooting 22 313516G 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 por t. Replace stop or tig...
Page 23 - Service; Disassembly; the gun from the manifold.
Service 313516G 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. Perform Pressure Relief Procedure, page 18...
Page 24 - Perform the following applicable step:; Clean all parts and replace any worn parts.; Alternate Fluid Control Shown
Service 24 313516G 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 (2...
Page 25 - Reassembly
Service 313516G 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 . 21. 2. All guns: Reinstall the gasket (22) in the fluid hou...
Page 26 - Parts
Parts 26 313516G .P arts Parts F IG . 21 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 6.5-7.5 in-lb (0.73-0.85 N•m). Torque to 9...
Page 28 - Repair Kits
Repair Kits 28 313516G 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. (mm) Needle/Nozzle Kit (Includes Items 5 and 23) Item 4 Piston Cap Item 5 Needle Assembly (Includes Needle Tip) ...
Page 30 - Manifold with bottom fluid por ts
Repair Kits 30 313516G Part No. 288221 Manifold with bottom fluid por ts ❄ Not shown. ----- Not sold separately. Ref. No. Part No. Description Qty. 101 ----- MANIFOLD, bottom fluid por ts 1 103 120388 FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 1 105 114246 SCREW, set; 5/16, 0.437 in. lon...
Page 32 - Nor th America Manifold with side fluid ports
Repair Kits 32 313516G Part No. 288217 Nor th America Manifold with side fluid ports Part No. 288218 International Manifold with side fluid por ts ❄ Not shown, optional size. ----- Not sold separately. ❖ Part No. 288217 only. ◆ Part No. 288218 only. Ref. No. Part No. Description Qty. 101 ----- MANIF...
Page 34 - Accessories; Alternate Nozzle Sizes; For use in cleaning gun.; Fluid Hose Parts Breakdown; Includes bracket and screw.
Accessories 34 313516G 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 a...
Page 35 - HVLP Pressure Verification Kit
Accessories 313516G 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 pressur...
Page 36 - Dimensions; mounting hole
Dimensions 36 313516G Dimensions Manifold Models 288217 or 288218, All Gun Models Manifold Model 288221, All Gun Models F IG . 27 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. (35.6 mm) 2.8 in. (71.1 mm) 0.5 in. (12.7 mm) ...
Page 38 - Mounting Hole Layouts
Mounting Hole Layouts 38 313516G Mounting Hole Layouts Manifold Models 288217 or 288218, All Gun Models F IG . 31 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 0.25 in. (6.3 mm) holes Two 0.13 diameter x 0.31 in. ...
Page 43 - Technical Data; Triggering Speed
Technical Data 313516G 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. Ma...
Page 44 - Graco Standard Warranty
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. Original instructions. This manual contains English. MM 313516 Graco Headquarters: Minneapolis Int...
