Graco 309550Y important safety instructions Piston Safety Lock, Air Valve

Page 33

Piston Safety Lock

1. Follow Pressure Relief Procedure, page 15.

2. Disconnect air (D) and remove fluid manifold (M).

M

D

TI2554A

3. Unscrew cylinder cap (5). Hold piston stop (28)

with wrench and unscrew from safety lock (4). Inspect spring (30) and o-rings (14, 24).

Repair

Air Valve

1. Follow Pressure Relief Procedure, page 15.

2. Disconnect air (D) and remove fluid manifold (M).

M

D

TI2554A

3. Unscrew air valve plug (2) and remove spring (31).

Using a small diameter tool, push spool (32) out from front. Inspect o-rings (24).

24 30 4

28

14

5

TI2433A

4. Liberally lubricate o-rings and reassemble. Clean

threads with solvent or alcohol. Apply medium-strength Loctite® or equivalent to threads on stop (28) and reassemble.

5. Attach fluid manifold. Connect air. Return gun to

service.

31 2 32

24

TI2434A

4. Liberally lubricate o-rings and reassemble. Torque plug (2) to 125-135 in-lb (14-15 N•m).

5. Attach fluid manifold. Connect air. Return gun to service.

309550Y

33

Image 33
Contents Plural Component, Impingement Mix Air Purge Spray Gun Manual Conventions ContentsRound Pattern Guns List of Models/Mix Chamber Selection GuideFlat Pattern Guns No., Series In. mm Flat Pattern Stud Wall GunIn. mm 1000 psi MPa, 70 bar 249525 249526Wide Round Pattern Gun Spatter Pattern GunFour-Hose Gun Non 11 Ratio GunsPersonal Protective Equipment Fire and Explosion Hazard Key Overall ViewIsocyanate Hazard Piston Safety LockKeep a and B Components Separate GroundingFollow Pressure Relief Procedure, Turning Air CapLoss of Air Pressure Resin ISO SetupSetup Shutdown Pressure Relief Procedure Optional Fluid Manifold Optional ConfigurationsPosition Remove Front End,Optional Hose Position Follow Pressure Relief Procedure, page 15. AlsoFlat Spray Tips Maintenance Clean Air Cap Clean Outside of GunClean Muffler Clean Fluid ManifoldClean Passages Clean Mix Chamber NozzleClean Impingement Ports Nozzle Drill Bit SizesCbip Impingement Port Drill Bit SizesProblem Cause Solution TroubleshootingProblem Cause Solution Theory of Operation Gun Triggered Fluid SprayingGun Detriggered Air Purging Cutaway View Tools Required RepairLubrication Remove Front EndX Z Attach Front EndMix Chamber and Side Seal Cartridges 18 B Check Valves Piston Air Valve Piston Safety LockCheck Valve 26 Detail PartsRound Pattern Guns, Part No. Description QtySee Flat Pattern Guns, See Supplied Tools,Detail Views Round Pattern Guns Mix Chamber KitsFlat Pattern Guns Mix Chamber Part No. Reference GuideGun Repair Kits Flat Tip KitsCheck Valve Filter Screen Kits Flat Tip Part No. Reference GuideKit Part No Qty in Kit Drill Bit Size Illustration Nominal Drill Bit KitsDrill Bit Kit Air Purge Handle Cleanout Drill Kit119386 248969Wide Pattern Mix Chamber Kits AccessoriesStainless Steel Side Seal Kits Polycarballoy Side Seal KitsExtension Tip Seal Kits Extension Tip KitsExtension Tip Air Cap Kit Flat Pattern Stud Wall KitSolvent Flush Canister Kit Spatter Conversion KitPour Nozzle Kit Gun CoverTip Cleanout Tool Gun Cleaning KitCirculation Manifold Technical Data Air Flow Data in scfm m3/minCategory Data Graco Standard Warranty Graco InformationToll Free