Graco 311320H important safety instructions Manual Valves, Remove Coupling Block

Page 8

Operation Basics

Manual Valves

Triggering gun with manual valves closed

may cause crossover if gun ports contain residual chemical.

Never open manual valves unless coupling block is secured to gun or exit port is directed into flush pail.

1.Open manual valves using 5/16 in. nut driver; turn manual valves counterclock- wise approximately three full turns. Do not open until it bottoms out.

2.Close manual valves by turning fully clock- wise.

Remove Coupling Block

To prevent release of pressurized chemical, close both manual valves before removing coupling block.

1.Disconnect air hose.

2.Close both manual valves.

3.Remove coupling block mounting screw (FIG. 3).

4.Separate coupling block from gun. Do not lose gaskets.

5.Use gun cleaner to wipe clean mating sur- face of gun block and coupling block. Cover exposed opening with grease.

Manual Valves

FIG. 4: Manual Valves

8

311320H

Image 8
Contents Important Safety Instructions Model D Spray GunContents ModelsPersonal Protective Equipment Fire and Explosion Hazard Overall View Major ComponentsCenterline Components Centerline ComponentsOperation Basics GroundingIsocyanate Hazard Keep a and B Components SeparateManual Valves Remove Coupling BlockValving Rod Adjustment Screw Air Hose ConnectionAir Cap Adjustment Valve Adjust Felt WiperClean Felt Wiper Felt WiperInitial Set Up Valving Rod Closed PositionDaily Start-Up Daily ShutdownPressure Relief Procedure Spray Pattern Adjustment Point of ValvingTern opens as adjustment is made FIG Distance of Gun Chamber Minimum Maximum From Surface Valving Rod Adjustment for Standard Mixing ChambersTurns Out From Point Recommended Maintenance Gun Service KitsClean Spray Gun Procedure Filter Screen Removal and Service RepairClean Injection Slots Check ValvesValving Rod Adjustment Not RemoveCenterline Component Removal Mixing Chamber RemovalSleeve Removal Block Centerline Component Installation Chamber SeatingRepair Model D Spray Gun Assembly PartsModel D Spray Gun Assembly No. Part No. DescriptionAC chamber Standard Mixing Chambers Air Cylinder Assembly Part NumberCoupling Block Assembly Model311320H Technical Data Category DataGraco Standard Warranty Graco Information