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Graco Inc. 312414J manual

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Table of contents for the manual

  • Page 1

    ll 2 G 312414J ENG Instr uctions-P ar ts AirPr o ™ Pressure Feed Air spra y Gun Con ventional, HVLP , and compliant guns f or specialty industrial applications. For pr ofessional use only . 100 psi (0.7 MP a, 7 bar) Maximum Air Inlet Pressure 300 psi (2.1 MP a, 21 bar) Ma ximum Fluid Inlet Pressure See page 3 f or model inf or mation. Important S[...]

  • Page 2

    Related Manua ls 2 312414J Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General Metal Spray Guns . . . . . . . . . . . . . . . . . 3 General Meta l with Stainless Steel Tip . . . . . . . . 3 A utom otive . . . . . . . . . . . . . . . [...]

  • Page 3

    Models 312414J 3 Models Orifice Size in. (mm) Con ventional HVLP Compliant Model Series Max. HVLP/Compliant Air Pressure psi (MP a, bar) Model Series Max. HVLP/Compliant Air Pressure psi (MP a, bar) Model Series Max. HVLP/Compliant Air Pressure psi (MP a, bar) General Metal Spra y Guns 0.020 (0.5) 288726 A N/A 288935 A 19 (0.13, 1. 3) 288942 A 29 ([...]

  • Page 4

    Models 4 312414J Adhesives Spatter Gun Air Brush Stain 0.020 (0.5) 288958 A N/A 288960 A 22 (0.15, 1.5) 288962 A 29 (0.2, 2.0) 0.030 (0.8) 288959 A N/A 288961 A 22 (0.15, 1.5) 288963 A 29 (0.2, 2.0) 0.040 (1.0) 289109 A N/A 289110 A 22 (0.15, 1.5) 289111 A 29 (0.2, 2.0) W aterborne 0.030 (0.8) 288964 A N/A 288967 A 23 (0.16, 1.6) 288970 A 23 (0.16,[...]

  • Page 5

    Warnings 312414J 5 Wa r n i n g s The f ollowing w ar nings are for the setup , use, grounding, maintenance, and repair of this equip- ment. The e xclamation point symbo l aler ts you to a gener al warni ng and the hazard symbol refers to procedure-specific risk. Refe r bac k to these war nings. Additi onal, product-specific war nings ma y be f o u[...]

  • Page 6

    Gun Selection 6 312414J Gun Selection Con ventional Guns Excellent atomizati on and high production rates typically with some reduction in tr ansf er efficiency . HVLP Guns An HVLP gun is a high transf er efficiency gun which limits the air pre ssure at the air cap to 10 psi (0.07 MP a, 0.7 bar) maximum. In some areas, an HVLP gun is required f or [...]

  • Page 7

    Setup 312414J 7 Setup Connect Air and Fluid Lines 1. Shut off the air supply . 2. Install a shut off valv e (not supplied) down- stream of the air regu lator to shut off gun air . 3. Install an inline air filter (not supplie d) to clean and dr y t he gun air supply . 4. Connect a clean, dr y , filtered air supply to the air inlet fitting. See F IG [...]

  • Page 8

    Setup 8 312414J Adjust Spra y P attern 1. Rotate the air cap to achie ve desired spr ay patter n. See F IG . 2. 2. T o achiev e full f an patter n, open the air control v alve b y tur ning the knob fully coun- terclockwise . See F IG . 3. 3. T o create a round patte r n, tur n the patter n air off b y tur ning the air control valv e fully clockwise[...]

  • Page 9

    Operation 312414J 9 Operation Pressure Relief Pr ocedure 1. T ur n off air and fluid supply . 2. Hold a metal part of the gun fir mly to a grounded metal pail. T r igger the gun to relie ve pressure . Appl y Fluid 1. T ur n on shop air and fluid supply to the gun. Set atomizing pre ssure and fluid pres- sure with the gun fully tr iggered. 2. Adjust[...]

  • Page 10

    Daily Gun Maintenance 10 312414J Dail y Gun Maintenance General T asks • F requently lubr icate the gun moving par ts with a drop of no n-silicone oil. • Do not disassemble the spra y gun if you are having a spr ay pattern problem. See T r oubleshooting , page 12, f or information on how to correct the prob lem. • Follo w the Pressure Relief [...]

  • Page 11

    Daily Gun Maintenance 312414J 11 Clean Gun 1. Flush, page 10. 2. Remov e air cap . T r i gger gun, remov e noz- zle, and soak both in a compatible solution. 3. Dip the end of a soft-b ri stle brush into a compatible solv ent. Do not continuously soak the brush's br istles with solv ent and do not use a wire brush. 4. With the gun pointed do wn[...]

  • Page 12

    Troubleshooting 12 312414J T r oubleshooting Prob lem Cause Solution Spra y P atter n N ormal patter n. No action necessar y . Spra y P atter n Dir ty or damaged air cap or fluid nozzle. Rotate air cap (13) 180°. If patter n f ollows air cap , prob- lem is in air cap . Clean and inspect. If patter n is not cor- rected, replace air cap . If patter [...]

  • Page 13

    Troubleshooting 312414J 13 Gun spitting. Air getting into paint stream. Chec k if fluid source is empty and fill. Tighten fluid nozzle (11). Check and tighten needle packing n ut (9a). Check fluid nozzle (11) f or damage. Will not spra y . Fluid c ontrol v a lv e (8) tur ned too f ar clockwise . Adjust fluid control v alve (8) counterclockwise . Fl[...]

  • Page 14

    Repair 14 312414J Repair See Pa r t s , page 16, for callout ref erences. Disassembl y 1. Unscrew retaining r ing (14) to remov e air cap (13b). Check o- r ings (13a and 13c) and replace if necessar y . 2. T r igger gun while unscr ewing nozzle (11) to pre vent needle damage . 3. Check o-ring (19) and replace if necessar y . 4. Remov e fluid contro[...]

  • Page 15

    Repair 312414J 15 Reassembl y 1. Install air control v alve assemb ly (5) with v alve turned fully counterclockwise to out- er most position. T orque to 8 5-90 in-lb (9.6-10.2 N•m). 2. Install air inlet v alv e assemb ly (27) with v alve turned fully counterclockwise to out- er most position. T o r que to 205-215 in-lb (23.2-24.3 N•m). 3. Lubri[...]

  • Page 16

    Parts 16 312414J Pa r t s 11 13c 13b 11 19 21 18 1 20 6 5 28 20 7 14 13a 10 36 27 23 8 26 9a 9b 9c 22 15 17 16 6 10 3 2 2 3 7 8 3 4 3 4 9 1 3 3 3 3 3 3 11 11 11 12 10 4 ti11194a Pull trigger before in stalling nozzle (11). Inser t spreader (15) with t apered end facing rear of gun. Inser t u-cup (16) with open end facing front of gun. Apply lubrica[...]

  • Page 17

    Parts 312414J 17 ★ Included in Gun Repair Kit 289399. ✖ Included in T r igger Repair Kit 289143 (contains 5 of each par t). + Included in Needle P acking Repair Kit 289455 (contains 5 of each par t). * Included in Air V a lve Repair Kit 289407. ◆ Included in Air Cap Seal Kit 289791 (contains 5 of each par t). ✓ Included in Retaining Ring Ki[...]

  • Page 18

    Parts 18 312414J[...]

  • Page 19

    Accessories 312414J 19 Accessories Repair Kits Air V alves and Regulator s Cups Cleaning Kits T est Gauges Hoses P ar t No. Description 289455 Needle P acking Repair Kit 289399 Gun Repair Kit 289791 Air Cap Se al Kit 289143 T rigger Repair Kit 289407 Air V alv e Repair Kit 289079 Retaining Ring Kit 24C269 Fluid Inle t Fitting Kit 24C310 Nozzle O-Ri[...]

  • Page 20

    Repair Kits 20 312414J Repair Kits Model Spray T ype Nozzle Size in. (mm) Air Cap Kit (13a-13c) Nozzle Kit (11, 19) Needle Assembly Kit (9a-9c) Needle/ Nozzle Kit (9a-9c, 11, 19 ) Needle Tip Kit (9c, 5-pack) General Metal Spray Guns 288726 Conventional 0.020 (0.5) 289773 289061 289270 289458 289350 288929 Conventional 0.030 (0.8) 289773 289062 2892[...]

  • Page 21

    Repair Kits 312414J 21 A utomotive 288929 Conventional 0.030 (0.8) 289773 289062 289271 289459 288183 288930 Conventional 0.042 (1.1) 289773 289063 289785 289460 288184 24D472* Conventional 0.042 (1.1) 289040 289063 289785 289460 288184 288931 Conventional 0.055 (1.4) 289773 289064 289799 289462 288185 289034 HVLP 0.040 (1. 0) 289771 289774 28978 5[...]

  • Page 22

    Repair Kits 22 312414J Needle Tips W aterborne 288964 Conventional 0.030 (0.8) 289046 289071 289785 289475 288184 288965 Conventional 0.042 (1.1) 289046 289072 289785 289476 288184 288966 Conventional 0.055 (1.4) 289046 289073 289799 289477 288185 288967 HVLP 0.030 ( 0.8) 289047 289071 28 9785 289475 288184 288968 HVLP 0.042 ( 1.1) 289047 289072 28[...]

  • Page 23

    Technical Data 312414J 23 Te c h n i c a l D a t a WW * Produces 10 psi (0.07 M P a, 0.7 bar) spraying pressure at air cap. ** All readings wer e taken with the f an v alve fully open . Sound power w as tested to ISO 9614-2. Air Consumption Maximum Air Inlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 100 psi (0.7 MPa, 7 bar) Maxim[...]

  • Page 24

    All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Original instructions. This manual contains English. MM 3124 14 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Kore[...]