Graco Inc 313516C important safety instructions Service, Disassembly

Page 23

Service

Service

NOTE: Air Section Repair Kit 288171 and Fluid Section Repair Kit 24B675 are available for purchase separately. Numbers in parenthe- sis in the text refer to the reference numbers in the figures and in the parts list.

Disassembly

1.Perform Pressure Relief Procedure, page 18.

2.Unscrew the four screws (13) and remove the gun from the manifold.

3.Remove the air cap retainer (25) and air cap (24).

4

13

23

24, 25

ti13590a

FIG. 16

4.Remove the piston cap (4) from the piston housing (1). Remove the springs (6, 7).

5.Using a 1/16 in. hex wrench loosen the fluid needle set screw (30). Remove the needle stop (29).

6.Pull the fluid needle (5) out of the back of the gun.

7.Check the fluid needle (5) for damage or excessive wear. Replace the needle tip (5a) or the entire needle if necessary.

8.Remove nozzle (23). Check nozzle and o-ring (36) for damage.

36

ti8198a

FIG. 17

9.Remove the piston. Using a pliers, pull the piston (3) out of the piston housing (1).

10.Unscrew the two screws (14) and separate the fluid housing (2) and the piston housing

(1). Remove gasket (12) only if it needs to be replaced.

6

29 7

14

2

30

3

1

ti13591a

FIG. 18

11.Remove the packing nut (16) with a wrench.

12.Remove the fluid packing (17) from the nut (16). Discard the old fluid packing.

313516C

23

Image 23
Contents Automatic AirPro Spray Guns Important Safety InstructionsModels ContentsFire and Explosion Hazard Pressurized Equipment Hazard General Metal Applications Selection ChartsHvlp Guns High Wear ApplicationsWood Applications Gun SelectionConventional Guns Proper Needle/Nozzle SelectionAir Caps Air Flow Air FlowAtomizing Air Fan Air Maximum HVLP/Compliant inlet manifold pressure Circulating System InstallationVentilate Spray Booth Configure Gun and ManifoldGround System Install Air FittingsStationary Support Mount GunReciprocating Arm Rod Mount Retrofit Adapter Plate Mount Retrofit Adapter PlateConnect Fluid Hose SetupConnect Air Line Position Air Cap Flush Spray GunSpray Gun Adjust Spray PatternSuggested Starting Settings Atomization Fan Air psiAir Pressure Regulator Incorrect Pressure Relief ProcedureOperation Apply FluidDaily Gun Care Clean and Flush Gun General System MaintenanceProblem Cause Solution TroubleshootingGeneral Troubleshooting Spray Pattern Troubleshooting Disassembly ServiceAlternate Fluid Control Shown Reassembly 17† 21† Alternate Fluid Control 20† 22† 36† 24a 25a PartsGasket Nozzle Repair KitsGeneral Metal Applications Wood Applications High Wear ApplicationsPart Description Qty Manifold with bottom fluid portsPart No C342 Side Fluid Ports and Fan Adjustment ValveNot shown, optional size Not sold separately Part No only Description Qty106 Accessories Count Carton Pack Description Hvlp Pressure Verification KitInline Fluid Filter 24B707 Spray Tip FiltersManifold Model 288221, All Gun Models DimensionsManifold Models 288217 or 288218, All Gun Models Manifold Model 288160 or 288211, All Gun Models Manifold Model 288223 or 24C342, All Gun ModelsMounting Hole Layouts 23.4 mm 10.2 mm 53.3 mm 50 in .7 mm Mounting hole 216 23.4 mm 10.2 mm 27.9 mm 375 in .5 mm Mounting hole Retrofit Adapter Plate Cylinder Air Fluid Pressure Air Pressure Msec to fully Technical DataTriggering Speed Sound DataGraco Headquarters Minneapolis Graco Standard WarrantyGraco Information