Table of Contents
Advertisement
Quick Links
Instructions – Parts List
Parts
MEDIUM PRESSURE AIR-ASSISTED
Alphat AA Spray Gun
For air–assisted spray application of paints and coatings.
1500 psi (10 MPa. 105 bar) Maximum Working Fluid Pressure
100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure
16 psi (110 kPa, 1.1 bar) Maximum Compliant Inbound Air Pressure
(241509 and 241511 HVLP Guns only)
Part No. 241508, Series A
Air-Assisted Spray Gun with Carbide Ball and Seat.
Recommended For: Pigmented, Waterborne,
and Higher Viscosity Materials.
Part No. 241510, Series A
Air-Assisted Spray Gun with Plastic Ball and Seat
Recommended For: Acid–Catalyzed Materials
and Low Viscosity Lacquers and Stains.
Part No. 241509, Series A
HVLP Spray Gun with Carbide Ball and Seat,
and Compliant Air Cap.
Recommended For: Pigmented, Waterborne,
and Higher Viscosity Materials.
Part No. 241511, Series A
HVLP Spray Gun with Plastic Ball and Seat,
and Compliant Air Cap.
Recommended For: Acid–Catalyzed Materials
and Low Viscosity Lacquers and Stains.
Important Safety Instructions
Read all warnings and insturctions in this manual.
Save these instructions.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 1999, Graco Inc. is registered to I.S. EN ISO 9001
Î Î Î Î
Î Î Î Î Î
Î Î Î Î
Î Î Î Î Î
Î Î Î Î
Î Î Î Î Î
Î Î Î Î
Î Î Î Î Î
Î Î Î Î
Î Î Î Î Î
Î Î Î Î
Î Î Î Î Î
308993G
9116A
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Graco Alpha AA Spray Gun
Summary of Contents for Graco Alpha AA Spray Gun
- Page 1 Low Viscosity Lacquers and Stains. Important Safety Instructions Read all warnings and insturctions in this manual. 9116A Save these instructions. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 1999, Graco Inc. is registered to I.S. EN ISO 9001...
-
Page 2: Table Of Contents
..... . . Graco Standard Warranty ..... . - Page 3 D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
- Page 4 Notes 308993...
-
Page 5: Air Flow Charts
Air Flow Charts Gun Models 241508 and 241510 KEY: A = Fan valve open. B = Fan valve closed. Air Flow; Standard Air Cap 241562 Air Flow; Accessory Air Cap 241882 (.226) (.226) (.198) (.198) (.170) (.170) (.142) (.142) (.113) (.113) (.084) (.084) -
Page 6: Installation
The typical installation shown in Fig. 1 is only a guide WARNING for selecting and installing air-assisted spray systems. Contact your Graco distributor for assistance in de- To prevent hazardous concentrations of signing a system to meet your needs. toxic and/or flammable vapors, spray only in a properly ventilated spray booth. - Page 7 Installation Ground the System 3. Air, fluid, and hydraulic hoses connected to the pump: Use only electrically conductive hoses with a maximum of 500 feet (150 m) combined hose length to ensure grounding continuity. Check WARNING the electrical resistance of your air and fluid hoses at least once a week.
-
Page 8: Setup
Setup 1. Connect the Air Line 2. Connect the Fluid Hose NOTE: NOTE: D Before connecting the fluid line, blow it out with air D You must install an air pressure regulator (E) on the and flush it with solvent. Use solvent which is gun air line to control air pressure to the gun. - Page 9 The fluid flow and pattern width depend on the size of and spray tip (33). the spray tip, the fluid viscosity, and the fluid pressure. Contact your Graco distributor for assistance in select- ing an appropriate spray tip for your application. Refer Before putting any finishing fluid through the spray to the Tip Selection Chart on page 28.
-
Page 10: Operation
Î Î Î treatment information should an injection injury occur. Additional cards are available at no charge Î Î Î Î Î Î from Graco. Î Î Î Pressure Relief Procedure Î Î Î Î Î Î Î Î Î Î... - Page 11 Operation Adjust the Spray Pattern Example: Pump Pump Air Regulator = Fluid WARNING Ratio Setting (increments) Pressure (increments) Falcon I 10 psi (0.07 MPa, = 100 psi INJECTION HAZARD (10:1 0.7 bar) (0.7 MPa, To reduce the risk of component rupture ratio) 7 bar) and serious injury, including injection, do...
- Page 12 Operation Air Pressure Verification Kit for HVLP Apply the Fluid Guns Always hold the gun at a right angle from the surface. Do not make an arc with the gun as it causes an NOTE: When using Gun Part Nos. 241509 and uneven coat of fluid.
-
Page 13: Daily Gun Care, Flushing, And Cleaning
Daily Gun Care, Flushing, and Cleaning WARNING CAUTION PRESSURIZED EQUIPMENT HAZARD Clean all parts with a non-conductive solvent, com- To reduce the risk of a serious injury whenever you patible with the fluid being sprayed. Conductive are instructed to relieve pressure, follow the Pres- solvents can cause the gun to malfunction. - Page 14 Daily Gun Care, Flushing, and Cleaning 5. Increase the pressure slowly. Point the gun down WARNING into a grounded metal container, and flush the gun with solvent until all traces of fluid are removed PRESSURIZED EQUIPMENT HAZARD from the gun passages. To reduce the risk of a serious injury whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 10.
- Page 15 Daily Gun Care, Flushing, and Cleaning 12. With the gun pointed down, clean the front of the CAUTION gun, using the soft-bristle brush and solvent. Trigger the gun whenever you tighten or remove the seat housing. This keeps the needle ball away from the seating surface and prevents the seat from being damaged.
- Page 16 Daily Gun Care, Flushing, and Cleaning 14. Be sure to install a new seat gasket (12b). Trigger 17. After cleaning the gun, lubricate the following parts the gun while you install the seat housing (13) with with lubricant 111265 weekly: the gun tool (36).
-
Page 17: General Troubleshooting
Troubleshooting NOTE: WARNING D Check all possible remedies in the troubleshooting charts before disassembling the gun. INJECTION HAZARD D Some improper patterns are caused by the To reduce the risk of a fluid injection improper balance between air and fluid. injury, follow the Pressure Relief Proce- dure on page 10 before checking or servicing any of the system equipment and when-... -
Page 18: Spray Pattern Troubleshooting
Troubleshooting NOTE: WARNING D Check all possible remedies in the troubleshooting charts before disassembling the gun. INJECTION HAZARD D Some improper patterns are caused by the To reduce the risk of a fluid injection improper balance between air and fluid. injury, follow the Pressure Relief Proce- dure on page 10 before checking or servicing any of the system equipment and when-... -
Page 19: Service
Service Items Needed for Service 4. Install the u-cups (28a*) in the packing nut (A) with the lips of the u-cups facing out of the packing nut, D Gun Tool – provided toward the gun body (1). D Packing Installation Tool – provided D Adjustable Wrench D Pliers 5. - Page 20 Service Complete Gun Packing Replacement 7. Use the square end of the plastic tool (12c) to hold the ball housing of the needle assembly (12) Disassembly steady while unscrewing the needle extension (24) from the fluid needle. See Fig. 20. NOTE: D Gun Repair Kit 241619 is available.
- Page 21 Service Reassembly 5. Insert the fluid needle assembly (12) into the front of the gun. Use the tool (12c) to push the packing 1. Install the gasket (7*) in the gun. Screw the fluid cartridge into the gun body until the cartridge tube connector (C) into the gun’s fluid inlet.
- Page 22 Service 9. Install the trigger (19), pivot pin (21), and trigger 12. Install the u-cup (18a*) in the air cap retaining ring lock screw (20). Torque to 20–30 in-lb (2.3–3.3 (18), with the lips facing away from the gun body. NSm).
- Page 23 Service 12b* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Torque to 105–115 in-lb (12–13 NSm) Torque to 195–205 in-lb (22–23 NSm) Lightly lubricate...
-
Page 24: Parts
Parts Part No. 241508 Air-Assisted Spray Gun with Carbide Ball and Seat Part No. 241509 HVLP Spray Gun with Carbide Ball and Seat Ref. Ref. Part No. Description Qty. Part No. Description Qty. 241507 BODY, gun 192272 PIN, pivot 194745 LOCK, trigger 188493 U-CUP;... - Page 25 Parts Part No. 241508 Air-Assisted Spray Gun with Carbide Ball and Seat Part No. 241509 HVLP Spray Gun with Carbide Ball and Seat 12b* 28 (Ref) 28a* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
- Page 26 Parts Part No. 241510 Air-Assisted Spray Gun with Plastic Ball and Seat Part No. 241511 HVLP Spray Gun with Plastic Ball and Seat Ref. Ref. Part No. Description Qty. Part No. Description Qty. 241507 BODY, gun 194563 EXTENSION, needle 194745 LOCK, trigger 114069 SPRING, air valve...
- Page 27 Parts Part No. 241510 Air-Assisted Spray Gun with Plastic Ball and Seat Part No. 241511 HVLP Spray Gun with Plastic Ball and Seat 12b* 28 (Ref) 28a* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
-
Page 28: Tip Selection Chart
Spray Tip Selection Chart NOTE: To avoid a skin injection hazard, only these spray tip sizes are offered. Special tip sizes are not available. Orifice Fan Width *Fluid *Fluid Part No. Orifice Fan Width *Fluid *Fluid Part No. Size Size at 12”... - Page 29 Spray Tip Selection Chart NOTE: To avoid a skin injection hazard, only these spray tip sizes are offered. Special tip sizes are not available. Orifice Fan Width *Fluid *Fluid Part No. Orifice Fan Width *Fluid *Fluid Part No. Size Size at 12”...
-
Page 30: Accessories
Accessories Use Only Genuine Graco Parts and Accessories Fluid Swivel Connector 115898 Accessory Air Cap 241882 For use with low viscosity fluids and low fluid flow 5800 psi (40 MPa, 400 bar) Maximum Working Pressure rates. To ease movement of the gun and fluid hose. -
Page 31: Technical Data
Technical Data Category Data Maximum Working Fluid Pressure 1500 psi (10 MPa, 105 bar) Maximum Working Air Pressure 100 psi (0.7 MPa, 7 bar) Maximum Compliant Inbound Air Pressure 16 psi (110 kPa, 1.1 bar) (Models 241509 and 241511 only) Maximum Working Fluid Temperature 120_ F (49_ C) Fluid Inlet... -
Page 32: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.