Graco 1206 - Manuals - manualsarea.com

Page 3 - GENERAL INFORMATION; SAFETY INFORMATION; WARNING; ILLUSTRATION REFERENCES

GENERAL INFORMATION The Model 1206 Dispense Valve is engineered for applications which require volumetric consistency. The 1206 allows operation with material supply pressures up to 100 psi (6.9 bar). Material viscosity dis pensing capabilities range from very thin material to high - viscosity epoxi...

Page 4 - DESCRIPTION OF OPERATION; SETUP PROCEDURE; MOUNTING DISPENSE VALVE

DESCRIPTION OF OPERATION The 1206 Dispense Valve is a positive displacement valve that requires continuous material feed. The operation of the valve is as follows: Material enters the Dispense Valve through the material inlet port located on the metering rod/sleeve assembly and fills the dispense ca...

Page 5 - OPERATING PROCEDURES; WET SYSTEM CHECKOUT

OPERATING PROCEDURES DRY SYSTEM CHECKOUT This is an initial checkout to find if the system setup is complete. Conduct the dry system checkout without material in the system. Attach the pneumatic pressure lines from the dispense valve to the air supply controller. Turn on the electric and air supply....

Page 6 - OPERATION ADJUSTMENTS; PERIODIC MAINTENANCE; DISASSEMBLY

OPERATING PROCEDURES OPERATION ADJUSTMENTS Adjust the Dispense Valve for proper operation as follows. See step 4 for volume adjustment. 1. Make sure that all the Dispense Valve connections are in place. 2. Connect the material for dispensing. Position a container to catch the dispensed material. Cyc...

Page 7 - MODEL 1206 GENERAL ILLUSTRATION

MODEL 1206 GENERAL ILLUSTRATION Page 7 1 Stroke Adjustment Collar 12 O-Ring 2 Piston 13 Check Valve Poppet 3 Retaining Ring 14 Posipak Seal 4 O-Ring 15 U-cup Seal 5 Seal Separator Block 16 Washer 6 Seal Separator Rod 17 Top Cylinder Block 7 Metering Rod/Sleeve Assembly 18 Socket Head Set Screw 8 O-R...

Page 8 - ASSEMBLY

PERIODIC MAINTENANCE ASSEMBLY Refer to the illustration above and the drawings in the back of this manual for your exact model. Note: Clean all valve parts with an appropriate solvent prior to reassembly. Always install new, lubricated O-rings and seals when assembling the valve. Use Krytox 203GPL (...

Page 9 - TROUBLESHOOTING

TROUBLESHOOTING Review the symptoms below for operating difficulties. With each problem there are one or more possible causes to investigate. NOTHING HAPPENS - If absolutely nothing happens when trying to cycle the Dispense Valve, check the electric and pneumatic power. Check the foot switch or cycl...

Page 10 - Luer Lock Hub Replacement Needles for Single Needle Block Models; Quantity

Page 10 MODEL 1206 RECOMMENDED SPARE PARTS Note: These parts are routine supply items or wear parts not covered by warranty for normal wear. Quantity Description Part Number 1 SEAL KIT,1206 see assembly drawing for part number 1 1206,METERING ROD/SLEEVE ASSY see assembly drawing for part number 1 AS...

Page 11 - ACCESSORIES; GENERAL ACCESSORIES

ACCESSORIES GENERAL ACCESSORIES Graco offers a full line of standard and custom accessories for your dispensing needs including: Valve Controllers Syringe Feed Systems Cartridge Retainers and Pressure Reservoirs Titan 200 High Pressure Cartridge Feed Systems Transfer Pump Feed Systems for 1, 5 and 5...

Page 12 - Ring Guidelines

GENERAL GUIDELINES FOR O - RINGS AND U - CUP SEALS Sizes and materials of construction for O - rings and U - cup seals are selected by Graco Inc. based on compatibility with the chemicals to which they will be exposed. Solvents that may remove residual chemicals often have negative effects on the me...