Graco AirPro 289028 Instruction & Parts Manual Download | Manualshive

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Troubleshooting

312578M

11

Will not spray

Cup is empty.

Fill cup.

Fluid control valve (8) turned
too far clockwise.

Adjust valve (8) counterclockwise.

Excessive air blowing

back

Loose fluid nozzle (11).

Tighten fluid nozzle (11).

Damaged fluid nozzle seal (19). Replace seal (19).

Excessive air leak
behind
trigger.

Worn u-cups/air valve.

Repair gun (Kit 289408). Be sure to use
all included parts.

Worn trigger.

Replace trigger (part 289140). If leak
persists repair gun (Kit 289408).

Problem

Cause

Solution

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Summary of Contents for AirPro 289028

Page 1: ...and compliant guns for specialty industrial applications For professional use only 100 psi 0 7 MPa 7 bar Maximum Air Inlet Pressure See page 2 for model information Important Safety Instructions Read all warnings and instructions in this manual Save these instructions ti1109 II 2 G ...

Page 2: ...eassembly 13 Parts 14 Repair Kits 16 Without Siphon Cup 16 With Siphon Cup 16 Models Model Series Orifice Size in mm Spray Type Max HVLP Compliant Air Pressure psi MPa bar With Siphon Cup 289028 A 0 055 1 4 Conventional N A 289029 A 0 070 1 8 Conventional N A 289030 A 0 055 1 4 HVLP 30 0 21 2 1 289031 A 0 070 1 8 HVLP 30 0 21 2 1 289032 A 0 055 1 4 Compliant 35 0 24 2 4 289033 A 0 070 1 8 Complian...

Page 3: ... working fire extinguisher in the work area PRESSURIZED EQUIPMENT HAZARD Fluid from the gun dispense valve leaks or ruptured components can splash in the eyes or on skin and cause serious injury Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses tubes and...

Page 4: ...d to have a transfer efficiency greater than or equal to HVLP guns The Graco compliant guns have no restrictions on air cap pressures but the gun inlet pres sure must remain under 35 psi 0 24 MPa 2 4 bar to remain in compliance PERSONAL PROTECTIVE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you fro...

Page 5: ...quipment was tested with lightweight oil which is left in the fluid passages to protect parts To avoid contaminating your fluid with oil flush the equipment with a compatible sol vent before using the equipment See Flush page 8 Check that your shop air provides adequate air flow See Technical Data page 17 for minimum cfm requirements Recommended 5 16 in 7 9 mm ID hose optional 3 8 in 10 mm ID air ...

Page 6: ...f turn 6 To reduce fluid flow turn the fluid control valve clockwise 7 Spray a test pattern Evaluate the spray pattern size and atomization 8 To achieve a narrow spray pattern turn air control valve clockwise 9 To improve atomization reduce the fluid flow rate Increasing the air pressure can improve atomization but may result in poor Transfer Efficiency TE or non compliant operation FIG 2 FIG 3 ti...

Page 7: ...he reduced spray velocity pro duced by lower HVLP air pressures along with a larger fluid particle size because there is less air to blow off solvents than is produced by conventional airspray Take care to avoid runs or sags as you spray Volatile Organic Compounds VOC Regulation In certain states spraying solvents that release VOCs into the atmosphere when cleaning a spray gun is prohibited To com...

Page 8: ...il the equipment is clean 5 Follow Pressure Relief Procedure page 7 Clean Gun and Cup 1 Flush page 8 2 Dampen a soft cloth with solvent and wring out the excess Point the gun down and wipe off the outside of the gun and cup 3 Make sure cup lid vent hole is clear 4 Blow dry gun inside and out Lubricate CAUTION Solvent left in gun air passages could result in a poor quality paint finish Do not use a...

Page 9: ...od seal 5 Install the retaining ring 14 and air cap 13 6 After cleaning the gun lubricate the follow ing parts with lubricant 111265 daily fluid control valve threads trigger pivot pin fluid needle shaft Compliant Cleaning Methods 1 Place spray gun in a gun washer that com pletely encloses the gun and components during cleaning rinsing and draining 2 Spray solvent through the spray gun into a clos...

Page 10: ...ct the nozzle If the pat tern is not corrected replace nozzle Spray Pattern Pressure too high for viscosity of material being sprayed Reduce air pressure and increase material viscosity Correct pattern by narrowing fan size with fluid control valve 8 Spray Pattern Dirty or distorted air horn holes Clean and inspect air cap If pattern is not corrected replace air cap Gun spitting Air getting into p...

Page 11: ...kwise Excessive air blowing back Loose fluid nozzle 11 Tighten fluid nozzle 11 Damaged fluid nozzle seal 19 Replace seal 19 Excessive air leak behind trigger Worn u cups air valve Repair gun Kit 289408 Be sure to use all included parts Worn trigger Replace trigger part 289140 If leak persists repair gun Kit 289408 Problem Cause Solution ...

Page 12: ...edle tip threads 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 tool 33 to install u cup seal 6 Remove trigger nut 22 trigger pin 21 wave washer 18 and trigger 10 7 Unscrew needle packing nut 17 and remove u cup packing 16 and spreader 15 8 Remove air control valve assembly 5 Inspect and replace a...

Page 13: ... cup packing 16 with open end facing front of gun Install packing nut 17 Torque to 3 in lb 0 3 N m 4 Install wave washer 18 with cupped side toward the gun body Lubricate and apply thread retainer to trigger pin 10 Install trigger 10 trigger pin 21 and trigger nut 22 Torque to 15 20 in lb 1 7 2 2 N m 5 Install air valve assembly 6 spring 28 and nut 7 Torque to 175 185 in lb 19 8 20 9 N m 6 Install...

Page 14: ...cup 16 with open end facing front of gun Apply lubricant Apply low strength thread retainer Apply high strength thread retainer Torque to 85 90 in lbs 9 6 10 2 N m Torque to 15 20 in lbs 1 7 2 2 N m Torque to 175 185 in lbs 19 8 20 9 N m Torque to 155 165 in lbs 17 5 18 6 N m Install with valve assembly turned fully counterclockwise to outermost position Torque to 205 215 in lbs 23 2 24 3 N m Torq...

Page 15: ...ir control assembly 1 6 289039 VALVE air assembly 1 7 289052 NUT air valve u cup assembly 1 8 289097 VALVE fluid control 1 9 See table NEEDLE assembly Includes 9a 9c 1 10 289140 TRIGGER gun razor industrial 1 11 See table NOZZLE fluid 1 13 See table AIR CAP assembly includes 13a 13c 1 13a WASHER 1 13b O RING 1 13c See table AIR CAP 1 14 RING retaining 1 15 SPREADER u cup 1 16 PACKING u cup 1 17 28...

Page 16: ...055 1 4 289768 289781 289788 289491 288984 289996 Compliant 0 070 1 8 289768 289782 289788 289492 288984 Model Spray Type 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 289028 Conventional 0 055 1 4 289769 289560 289788 289487 288984 289029 Conventional 0 070 1 8 289769 289783 289788 289488 288984 Conventional...

Page 17: ...e Assembly 5 16 in 239637 25 ft Air Hose Assembly 5 16 in Part No Description 244130 Aluminum Cup with Lid 1 qt 239802 1 qt SST Pressure Cup with Single Air Regulator 239803 1 qt SST Pressure Cup with Double Air Regulator 235117 2 qt Pressure Cup with Regulator and Hose 239804 1 qt SST Pressure Cup with Remote Air Regulator 240266 Disposable Polyethylene Cup Liners 40 pack for 1 qt siphon and pres...

Page 18: ...18 312578M ...

Page 19: ...psi 0 21 MPa 2 1 bar Compliant 10 4 CFM at 35 psi 0 24 MPa 2 4 bar Fluid and Air Operating Temperature Range 32 F to 109 F 0 C to 43 C Spray Gun Air Inlet 1 4 npsm R1 4 19 Fluid Inlet 3 8 npsm R3 8 19 Weight with cup 2 1 lbs 1 0 kg Sound Data Conventional Sound pressure at 43 psi 0 3 MPa 3 0 bar 78 22 dB A Sound power at 43 psi 0 3 MPa 3 0 bar 86 68 dB A HVLP Sound pressure at 30 psi 0 21 MPa 2 1 ...

Page 20: ...terial or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty...

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