Page 2 - Contents
2 311052H Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Ventilate Spray Booth . . . . . . . . . . . . ...
Page 3 - Models
Models 311052H 3 Models G40 Standard Spray Gun, 288046, Series B• High pressure spray gun with Carbide ball and Car-bide seat. • Includes AAP series tip of choice. G40 Standard Spray Gun, 24F835, Series B• Air cap optimized for lacquer material. • High pressure spray gun with Carbide ball and Car-bi...
Page 4 - Warnings; WARNING
Warnings 4 311052H Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion 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 6 - Installation; Ventilate Spray Booth; Circulating System
Installation 6 311052H Installation Ventilate Spray Booth Configure Gun and Manifold The gun is supplied with an internal fluid plug and seals (5, 6, 7). To use the gun in a circulating system, remove the internal plug. In a non-circulating system, leave the plug in place to minimize flush time. Cir...
Page 7 - Install Air Fittings; Ground Pump
Installation 311052H 7 Install Air Fittings 1. Install the supplied 1/4 in. tube fitting into the cylin-der (CYL) air port. 2. Install 3/8 in. tube fittings into the atomization (ATOM) air port and the fan (FAN) air port. Ground System The following grounding instructions are minimum requirements fo...
Page 8 - Mount Gun; Reciprocating Arm Rod Mount; Stationary Support; Retrofit Adapter Plate
Installation 8 311052H 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. 2. Secure the gun to the bar by tightening the mount-ing screw (B). Stati...
Page 9 - Connect Air Line
Installation 311052H 9 Connect Air Line 1. Install an air/water separator and an air line filter to ensure a clean, dry air supply to the gun. Dirt and moisture in the line can ruin the appearance of your finished piece. 2. Install an air pressure regulator on each gun air sup-ply line. 3. For manif...
Page 10 - Connect Fluid Line
Installation 10 311052H Connect Fluid Line 1. Install a fluid filter and drain valve(s) close to the pump's fluid outlet. 2. Install a fluid pressure regulator to control fluid pres-sure to the gun. 3. Install a fluid shutoff valve to shut off the fluid supply to the gun. 4. Install an in-line fluid...
Page 11 - Setup; Flush Spray Gun; Position the Air Cap; Air Cap Alignment Pin
Setup 311052H 11 Setup Flush Spray Gun Before running any paint through the spray gun: 1. Flush the gun with a solvent that is compatible with the fluid to be sprayed, using the lowest possible fluid pressure and grounded metal container. 2. Perform Pressure Relief Procedure; see page 12. Select a S...
Page 12 - Operation; Pressure Relief Procedure; Adjust Spray Pattern
Operation 12 311052H Operation Pressure Relief Procedure 1. Turn off the air and fluid supply to the gun. 2. Close the bleed-type master air valve (required in the system). 3. Trigger the gun into a grounded metal waste con-tainer to relieve the fluid pressure. 4. Open the pump drain valve (required...
Page 13 - Apply Fluid; Incorrect
Operation 311052H 13 For a narrower pattern, supply air to the gun fan air inlet (or open the fan adjustment valve on manifold 288223). The tip size is the primary controller of the pattern size. Use the fan air only as needed to slightly adjust the pat-tern size. Apply Fluid The spray gun has a bui...
Page 14 - Maintenance; Daily Gun Care
Maintenance 14 311052H Maintenance Daily Gun Care CAUTION Methylene chloride with formic or propionic acid is not recommended as a flushing or cleaning solvent with this gun as it will damage aluminum and nylon compo-nents. CAUTION Solvent left in gun air passages could result in a poor quality pain...
Page 15 - General System Maintenance
Maintenance 311052H 15 General System Maintenance 1. Perform Pressure Relief Procedure, page 12. 2. Clean the fluid and air line filters daily. 3. Check for any fluid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed. 4. Flush the gun before changing colors and wh...
Page 17 - Troubleshooting; General Troubleshooting
Troubleshooting 311052H 17 Troubleshooting General Troubleshooting Check all possible remedies in the troubleshooting charts before disassembling the gun. Some improper patterns are caused by the improper balance between air and fluid. Refer to Spray Pattern Troubleshooting, page 19. Problem Cause S...
Page 19 - Spray Pattern Troubleshooting
Troubleshooting 311052H 19 Spray Pattern Troubleshooting Problem Cause Solution Fluttering spray. Insufficient fluid supply. Air in paint supply line. Adjust fluid regulator or fill fluid sup-ply tank. Check, tighten siphon hose connec-tions, bleed air from paint line. Spitting spray. Worn diffuser-...
Page 20 - Service; Disassembly
Service 20 311052H Service Items Needed for Service • 1/16 in. Hex Wrench - provided • 3 mm Hex Wrench • Adjustable Wrench • 4 mm Hex Wrench • 5/16 in. Nut Driver • Pliers • Lubricant part no. 111265; see Accessories, page 34, to order • Compatible Solvent Disassembly 1. Perform Pressure Relief Proc...
Page 23 - Diffuser Seat Replacement; Reassembly
Service 311052H 23 Diffuser Seat Replacement 1. Perform Pressure Relief Procedure, page 12. 2. Remove gun from manifold. 3. Remove the air cap retaining ring (8), air cap (30), and spray tip (9). 4. Trigger the gun (or remove cap (27) and springs (28, 29)) to pull the needle housing off the seat whi...
Page 24 - Parts
Parts 24 311052H Parts F IG . 18 2 17 16* 15* 28 7 † 27 29 8 10a SERVICE NOTES: Lubricate threads with anti-seize lubricant Lubricate with light-weight oil Do not lubricate Torque to 65 in-lb (7.3 N•m) Apply semi-permanent anaerobic sealant Torque to 4-5 in-lb (0.45-0.56 N•m) Tighten cap (27) until ...
Page 30 - Notes
Page 31 - AAP Series Tip and Air Cap Selection Charts; AAP Series Precision Spray Tips; Air Cap
AAP Series Tip and Air Cap Selection Charts 311052H 31 AAP Series Tip and Air Cap Selection Charts AAP Series Precision Spray Tips . * Tips are tested in water. † Tip sizes include a 150 mesh tip filter Air Cap Order desired tip (Part No. AAPxxx) where xxx is the size code for the chart. Tips are ph...
Page 32 - LTX Series RAC Tip Selection Charts; For use with G40 RAC Housing
LTX Series RAC Tip Selection Charts 32 311052H LTX Series RAC Tip Selection Charts For use with G40 RAC Housing * Tips are tested in water. ✖ Pattern width measured without airflow. LTX Reverse-A-Clean (RAC) Spray Tips • LTX RAC spray tips include a metal fluid seat and rubber fluid seal. • G40 RAC ...
Page 33 - RAC Switch Tips; FFT Fine Finish RAC Spray Tips
LTX Series RAC Tip Selection Charts 311052H 33 RAC Switch Tips FFT Fine Finish RAC Spray Tips WRX Wide RAC Spray Tips * Tips are tested in water. ❖ Measured with NO airflow. Air assist will tend to reduce pattern lengths by 1 in. to 2 in. Order desired tip (Part No. FFTxxx) where xxx is the size cod...
Page 34 - Accessories; Gun Manifolds
Accessories 34 311052H Accessories Gun Manifolds Order separately; not included with gun(See Parts, page 25) Part No. 288217North America Manifold with side fluid ports Part No. 288218International Manifold with side fluid ports Part No. 288221Manifold with bottom fluid ports Part No. 288224High Pre...
Page 35 - Bleed-type Master Air Valve
Accessories 311052H 35 Air Cap Seal Kit 253032 Pack of five seals and five o-rings for the air cap assembly. Plastic Seat Repair Kit 249424 Kit includes replacement plastic seat (pack of ten), and seat nut. SST Seat Repair Kit 287962 Kit includes assembled diffuser with SST seat (15H282) for use wit...
Page 36 - Dimensions
Dimensions 36 311052H Dimensions F IG . 24 2.0 in. (50.8 mm) 3.86 in. (98.0 m) 3.0 in. (76.2 mm) 4.9 in. (124.5 mm) TI8113a TI8127a 1.375 in. (34.9 mm) 2.0 in. (50.8 mm) 2.40 in. (60.96 mm)
Page 37 - Mounting Hole Layout
Mounting Hole Layout 311052H 37 Mounting Hole Layout F IG . 25: TI8107a 0.4 in. (10.2 mm) (6.3 mm) holes 0.805 in. (20.5 mm) 0.187 in. (4.8 mm) 1.375 in.(35 mm) 2.125 in.(54 mm) TI8127a 1.750 in.(44.5 mm) Two M5 x 0.8 x 0.25 in. Two 0.128 diameter x0.31 in. (7.8 mm) deepholes (for alignment pin) Rem...
Page 39 - Technical Data; Triggering Speed
Technical Data 311052H 39 Technical Data Triggering Speed These values apply to a new gun with a 6 ft. (1.8 m), 1/4 in. (6.3 mm) OD cylinder air line and a 0.019 in. tip. These values will vary slightly with use and with variations in equipment. Sound Data (dBa) † Sound pressure measured 3.28 feet (...
Page 40 - 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 311052 Graco Headquarters: Minneapolis Int...