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Graco 312414D manual

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Table of contents for the manual

  • Page 1

    312414D Instr uctions-P ar ts AirPr o ™ Pressure Feed Air spra y Gun Con ventional, HVLP , and compliant guns f or specialty industrial applications. 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 2 f or model inf or mation. Important Safety Instructions Read all war nings an[...]

  • Page 2

    2 312414D Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General Meta l with Stainless Steel Tip . . . . . . . . 3 A utom otive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Stain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 W aterbo rn e . . . . . . . . . . . . . . . .[...]

  • Page 3

    Models 312414D 3 Models General Metal Spray Guns General Metal with Stainless Steel Tip A utomotive 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 (MPa, bar) 0.020 (0.5) 28[...]

  • Page 4

    Models 4 312414D Stain W aterborne High W e ar Adhesives Spatter Gun Orifice Size in. (mm) Con ventional HV LP Compliant Model Series Max. HVLP/Compliant Air Pressure psi (MP a, bar) Model Serie s Max. HVLP/Compliant Air Pressure psi (MP a, bar) Model Series Max. HVLP/Compliant Air Pressure psi (MP a , bar) 0.020 (0.5) 288958 A N/A 288960 A 22 (0.1[...]

  • Page 5

    Warnings 312414D 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 312414D 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 312414D 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 312414D 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 clockwi[...]

  • Page 9

    Operation 312414D 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 312414D 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 roubleshooting , page 12 , fo r i n fo r m a t i o n on how to correct the prob lem. • Follo w the Pressur[...]

  • Page 11

    Daily Gun Maintenance 312414D 11 Clean Gun 1. Flush, page 10 . 2. Remov e air cap . T r i gger gun, remo ve 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 w[...]

  • Page 12

    Troubleshooting 12 312414D T r oubleshooting Prob lem Cause Solution Spra y P atter n Nor mal 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 312414D 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 312414D 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 contr[...]

  • Page 15

    Repair 312414D 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 85-90 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 orque to 85-90 in -lb (9.6-10.2 N•m). 3. Lubricate[...]

  • Page 16

    Parts 16 312414D Pa r t s 11 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 lubricant. Apply low strength thread retainer . Apply thread sealant. T orque to 85-90 in-lbs (9.6-10.2 N•m). T orque to 15-20 in-lbs (1.7-2.2 N•m). T o[...]

  • Page 17

    Parts 312414D 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 ac king 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 Retain ing Ring [...]

  • Page 18

    Parts 18 312414D[...]

  • Page 19

    Accessories 312414D 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 r igger Repair Kit 289407 Air V alv e Repair Kit 289079 Retaining Ring Kit 289016 Gun Handle Replacement Kit 288986 Gun with[...]

  • Page 20

    Repair Kits 20 312414D Repair Kits General Metal Spra y Guns Model Spray T ype Nozzle Siz e in. (mm) Air Cap Kit (13a-13c) Nozzle Kit (11, 19) Needle Assembl y Kit (9a-9c) Needle/ Nozzle Kit (9a-9c, 11 , 19) Needle Tip Kit (9c, 5-pac k) 288726 Conventional 0.020 (0.5 ) 289773 289061 289270 289458 289350 288929 Conventional 0.030 (0.8 ) 289773 28906[...]

  • Page 21

    Repair Kits 312414D 21 A utomotive Stain 288955 Compliant 0.042 (1.1) 289042 289063 2 89272 289461 289010 288956 Compliant 0.055 (1.4) 289042 289064 2 89273 289463 289013 288957 Compliant 0.070 (1.8) 289042 289065 2 89273 289465 289013 General Metal with Stainless Steel Tip Model Spray T ype Nozzle Size in. (mm) Air Cap Kit (13a-13c) Nozzle Kit (11[...]

  • Page 22

    Repair Kits 22 312414D Adhesives Spatter Wa t e r b o r n e High W ear Model Spra y T ype Nozzle Size in. (mm) Air Cap Kit (13a-13c) Nozzle Kit (11, 19) Needle Assemb ly Kit (9a-9c) Needle/ Nozzle Kit (9a-9c, 11, 19) Needle Tip Kit (9c, 5-pac k) 288982 Conventional 0.051 (1.3) 289051 289077 2 89799 289484 288185 288983 Conventional 0.070 (1.8) 2890[...]

  • Page 23

    Technical Data 312414D 23 Te c h n i c a l D a t a WW * Produces 10 psi (0.07 MP a, 0.7 bar) spra ying pressure at air cap. ** All readings we re taken with the f an valv e fully open. Sound power w as test ed to ISO 9614-2. Air Consumption Maximum Air Inlet Pressure . . . . . . . . . . . . . . . . . . 100 psi (0.7 MP a, 7 bar) Maximum Fluid Inlet [...]

  • Page 24

    All written and visual data cont ained in this document reflec ts the lat est product information available at the time of publication. Graco reserve s the right to make changes at any t ime without notice. This manual contains English. MM 31241 4 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BO[...]