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Graco ti1109 - page 1
Instr uctions-P ar ts AirPr o ™ Siphon Feed Air s pra y Gun 312578J ENG 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 See page 2 f or model inf or mation. Impor tant Safety Instructions Read all warnings and in str uctions in this ...
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Graco ti1109 - page 2
Models 2 312578J Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Gun Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Conv ention al Guns . . . . . . . . . . . . . . . . . . . . . . . 4 HVLP Guns . . . . . . . . ...
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Graco ti1109 - page 3
Warnings 312578J 3 Wa r n i n g s The f ollowing w ar nings are for the setup , use, grounding, maintenance, and repair of this equipment. The e xclamat ion point symbol aler ts you to a general warning and the hazard symbols ref er to procedure-specif ic r isks. Ref er back to these w ar nings. Additional, product- specific warnings ma y be f ound ...
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Graco ti1109 - page 4
Gun Selection 4 312578J 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 ...
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Graco ti1109 - page 5
Setup 312578J 5 Setup 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 . 1. 5. Connect fluid cup to ...
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Graco ti1109 - page 6
Setup 6 312578J 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 ...
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Graco ti1109 - page 7
Operation 312578J 7 Operation Pressure Relief Pr ocedure 1. T ur n off the gun air supply . 2. T r igger the gun to reliev e pressure . Appl y Fluid 1. Fill the cup with materi al. Do not fill past the shoulder on cup . 2. T ur n on the shop air to the gun. Set atomizing pressure with the gun fully trigg ered. 3. Adjust the patter n siz e and shape ...
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Graco ti1109 - page 8
Daily Gun Maintenance 8 312578J Dail y Gun Maintenance General T asks Fo l l o w t h e Pressure Relief Pr ocedure , page 7. • F requently lubr icate the gun moving par ts with a drop of non-silicone oil. • Do not disassemble the spr ay gun if y ou are having a spr ay pattern problem. See T r oubleshooting , page 10, f or inf or mation on how to ...
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Graco ti1109 - page 9
Daily Gun Maintenance 312578J 9 Clean Nozzle and Air Cap 1. Remov e air cap (13), trigger gun, remov e nozzle (11), and soak both in a compatible cleaning solution. 2. Clean air cap , nozzle, and front of the gun with a soft-bristle br ush dipped into com- patible solv ent. Do not use a wire brush or metal tools. 3. Use a soft implement, such as a ...
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Graco ti1109 - page 10
Troubleshooting 10 312578J 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 180°. If patter n f ollows air cap , problem is in air cap (13). Clean and inspect. If pat- ter n is not corrected, replace air cap . If patter n d ...
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Graco ti1109 - page 11
Troubleshooting 312578J 11 Will not spra y Cup is empty . Fill cup . Fluid control v alve (8) turned too f ar clockwise . Adjust v alve (8) countercloc kwise. Excessiv e air blo wing back Loose fluid nozzle (11). T ighten fluid nozzle (11). Damaged fluid nozzle seal (19). Replace seal (19). Excessiv e air leak behind trigg er . W or n u-cups/air va ...
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Graco ti1109 - page 12
Repair 12 312578J Repair See Pa r t s , page 14, 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 ...
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Graco ti1109 - page 13
Repair 312578J 13 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 or que to 205-215 in-lb (23.2-24.3 N•m). 3. Lubric ...
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Graco ti1109 - page 14
Parts 14 312578J Pa r t s ti11225a 20 6 5 28 20 7 8 6 8 13c 11 19 21 18 1 9 13b 14 13a 15 2 3 36 27 23 26 9a 9b 9c 22 17 16 10 3 7 1 3 3 3 10 3 3 3 4 4 3 11 11 10 3 Pull trigger bef ore installing nozzle (11). Inser t spreader (15) with tapered end facing rear of gun. Inser t u- cup (16) with open end f acing front of gun. Apply lubricant. Apply lo ...
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Graco ti1109 - page 15
Parts 312578J 15 ★ Included in Gun Repair Kit 289790. ✖ 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 289408. ◆ Included in Air Cap Seal Kit 289791 (contains 5 of each P ar t). ✓ Included in Retaining Ring K ...
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Graco ti1109 - page 16
Repair Kits 16 312578J Repair Kits Without Siphon Cup With Siphon Cup Needle Tips Model Spray T ype Nozzle Size 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) 289991 Conv entional 0.055 (1.4) 289769 289560 289788 289487 288984 289992 Conv entional 0.070 ...
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Graco ti1109 - page 17
Accessories 312578J 17 Accessories Repair Kits Air V alves T est Gauges Cleaning Kit Hoses Cups 3M ™ PPS ™ Cups and Accessories Tips P ar t No. Description 289455 Needle P acking Repair Kit 289790 Gun Repair Kit 289791 Air Cap Seal Kit 289143 T r igger Repair Kit 289408 Air V alv e Repair Kit 289079 Retaining Ring Kit 24C269 Fluid Inlet Fitting ...
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Graco ti1109 - page 18
Accessories 18 312578J ...
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Graco ti1109 - page 19
Technical Data 312578J 19 Te c h n i c a l D a t a * Produces 10 psi (0.07 MP a, 0.7 bar) spra ying pressure at air cap . ** All readings were tak en with th e fan v alv e fully open (fan full size) at the assumed operator position. Sound pow er wa s tested per ISO 9614-2. Maximum Air Inlet Pressur e . . . . . . . . . . . . . . . . . . . . . 100 ps ...
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Graco ti1109 - page 20
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. Original instructions. This manual contains English. MM 3125 78 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, K ...
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