Graco 311320H important safety instructions Daily Start-Up, Daily Shutdown

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Daily Start-Up

Daily Start-Up

Ensure gun is attached to coupling block and air hose, and the proportioning unit is at desired temperature and pressure.

1.Connect air supply to gun, page 9.

2.Adjust air cap valve, page 10.

3.Saturate felt in felt wiper with gun cleaner using flush can.

4.Trigger gun multiple times to ensure valving rod moves the full travel quickly and freely.

CAUTION

Sluggish valving rod action may result in valving rod sticking in open position when fluid pressure is applied. Always have a 5/16 in. nut driver available to quickly close manual valves on coupling block.

5.Open both manual valves, page 8.

6.Test spray on disposable surface and adjust spray pattern as needed. (See Spray Pattern Adjustment procedure, page 14.)

Do not exceed 1000 psi (7 MPa, 70 bar)

maximum fluid working pressure even in static de-triggered conditions, or check valve damage may result.

Daily Shutdown

Follow when gun is out of service for any length of time. Daily disassembly of gun for cleaning is not recommended if it has been operating properly. However, if you remove the gun from the coupling block, flush and clean thoroughly.

1.Follow Pressure Relief Procedure, page 13.

2.Shut down proportioning unit as required.

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311320H

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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 Valving Rod Adjustment for Standard Mixing Chambers Turns Out From Point RecommendedDistance of Gun Chamber Minimum Maximum From Surface 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