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Instructions-Parts
AirPro
Feed Airspray Gun
Conventional, HVLP, and compliant guns for specialty industrial applications.
For professional use only.
100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
See page 2 for model information.
™
Siphon
312578H
ENG
ti1109
II 2 G
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Table of Contents
Related Manuals for Graco AirPro 312578H
Summary of Contents for Graco AirPro 312578H
- Page 1 Instructions-Parts ™ AirPro Siphon 312578H Feed Airspray Gun Conventional, HVLP, and compliant guns for specialty industrial applications. For professional use only. 100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure Important Safety Instructions Read all warnings and instructions in this manual.
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Page 2: Table Of Contents
Graco Standard Warranty ....20 Graco Information ......20 Models Max. -
Page 3: Warnings
Check equipment daily. Repair or replace worn or damaged parts immediately. • Do not alter or modify equipment. • Use equipment only for its intended purpose. Call your Graco distributor for information. • Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces. -
Page 4: Gun Selection
Conventional Guns efficiency greater than or equal to HVLP guns. The Graco compliant guns have no restrictions Excellent atomization and high production on air cap pressures, but the gun inlet pres- rates typically with some reduction in transfer sure must remain under 35 psi (0.24 MPa,... -
Page 5: Setup
Check your local electrical code for detailed the air flow. If an air adjusting valve is grounding instructions. desired, use a Graco adjustable air valve (234784). Ground the gun through connection to a Graco-approved conductive air supply hose. -
Page 6: Adjust Spray Pattern
Setup Adjust Spray Pattern 6. To reduce fluid flow, turn the fluid control valve clockwise. 1. Rotate the air cap to achieve desired spray pattern. See F • If the fluid control valve is turned clock- wise all the way, the gun will emit only air. -
Page 7: Operation
Operation Operation When using the HVLP spray gun, instead of a conventional airspray gun, you may need to use a slightly slower hand movement and make fewer passes with the gun to coat a part. This is due to the reduced spray velocity pro- duced by lower HVLP air pressures, along with a larger fluid particle size because there is less Pressure Relief Procedure... -
Page 8: Daily Gun Maintenance
Daily Gun Maintenance Daily Gun Maintenance 2. Dispose of any paint in the cup. 3. Fill the cup with a small amount of solvent. 4. Spray into a grounded metal waste con- tainer until the equipment is clean. General Tasks 5. -
Page 9: Clean Nozzle And Air Cap
Daily Gun Maintenance Clean Nozzle and Air Cap 5. Install the retaining ring (14) and air cap (13). 1. Remove air cap (13), trigger gun, remove nozzle (11), and soak both in a compatible When reassembling, make sure the cleaning solution. air cap matches the color etched onto the side of the nozzle (gold, brown, grey, CAUTION... -
Page 10: Troubleshooting
Troubleshooting Troubleshooting Problem Cause Solution Spray Pattern Normal pattern. No action necessary. Right Spray Pattern Dirty or damaged air cap or Rotate air cap 180°. fluid nozzle. If pattern follows air cap, problem is in air cap (13). Clean and inspect. If pat- tern is not corrected, replace air cap. - Page 11 Troubleshooting Problem Cause Solution Will not spray Cup is empty. Fill cup. Fluid control valve (8) turned Adjust valve (8) counterclockwise. too far clockwise. Excessive air blowing Loose fluid nozzle (11). Tighten fluid nozzle (11). back Damaged fluid nozzle seal (19). Replace seal (19). Excessive air leak Worn u-cups/air valve.
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Page 12: Repair
Repair Repair 5. Remove spring (28) and push the air valve assembly (6) out the back of the gun. Inspect. Replace air valve assembly (6) and u-cup seal (20) as necessary. Use Follow Pressure Relief Procedure, page 7. tool (33) to install u-cup seal. See Parts, page 14, for callout references. -
Page 13: Reassembly
Repair Reassembly 4. Install wave washer (18) with cupped side toward the gun body. Lubricate and apply 1. Install air control valve assembly (5) with thread retainer to trigger pin (10). Install valve turned fully counterclockwise to out- trigger (10), trigger pin (21), and trigger ermost position. -
Page 14: Parts
Parts Parts Pull trigger before installing nozzle (11). Insert spreader (15) with tapered end facing rear of gun. Insert u-cup (16) with open end facing front of gun. ti11225a Apply lubricant. Apply low strength thread retainer. Apply high-strength thread retainer. Torque to 85-90 in-lbs (9.6-10.2 N•m). - Page 15 Parts ★ Included in Gun Repair Kit 289790. Ref. Part No. Description Qty. 1❖ BODY, gun ✖ Included in Trigger Repair Kit 289143 2‡❖ GASKET, fluid inlet (contains 5 of each part). 3‡❖ FITTING, fluid inlet 289796 VALVE, air control, + Included in Needle Packing Repair Kit assembly 289455 (contains 5 of each part).
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Page 16: Repair Kits
Repair Kits Repair Kits Without Siphon Cup Nozzle Air Cap Nozzle Needle Needle/ Needle Tip Size Assembly Kit Nozzle Kit Model Spray Type in. (mm) (13a-13c) (11, 19) (9a-9c) (9a-9c, 11, 19) (9c, 5-pack) 289991 Conventional 0.055 (1.4) 289769 289560 289788 289487 288984... -
Page 17: Accessories
Accessories Accessories Repair Kits Cups Part No. Description Part No. Description 289455 Needle Packing Repair Kit 244130 Aluminum Cup with Lid, 1 qt 289790 Gun Repair Kit 239802 1 qt SST Pressure Cup with Single Air Regulator 289791 Air Cap Seal Kit 239803 1 qt SST Pressure Cup with Double 289143 Trigger Repair Kit Air Regulator... -
Page 18: Related Manuals
Related Manuals Related Manuals Manual Language 313074 Chinese 313076 Dutch 313077 Finnish 313078 French 313079 German 313081 Italian 313082 Japanese 313083 Korean 313085 Portuguese 313086 Russian 313087 Spanish 313088 Swedish 312578H... -
Page 19: Technical Data
Technical Data Technical Data Maximum Air Inlet Pressure ..... 100 psi (0.7 MPa, 7 bar) Maximum HVLP/Compliant Inbound Air Pressure HVLP. -
Page 20: 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.
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