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Graco 1206 manual

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Table of contents for the manual

  • Page 1

    Instructions Dispensit 1206 332091 A EN Dispense Val ve Important Safety Instru ctions Read all warnings an d instructions in this m anual. Save these instructions .[...]

  • Page 2

    DISPENSIT ® MODEL 1206 DISPENSE VALVE OPERATING A ND M A INTE NANCE MANUAL General Information ........................................................................ 3 Safety Information .......................................................................... 3 Illustration References ...........................................................[...]

  • Page 3

    GENERA L INFORMATION The Model 1206 Disp ense Valve is eng ineered f or applications which r equire volum etric consistenc y. The 1206 allows operation with m aterial supply pressures up to 100 ps i (6.9 bar). Mate rial viscosity dis pensing capabilities range f rom very thin m aterial to high - viscos ity epoxies and m etal filled pas tes with vis[...]

  • Page 4

    DESCRIPTION OF OPERAT ION The 1206 Dispens e Valve is a positi ve displacement val ve that requires continuo us m aterial feed. The operation of the valve is as follows: Material enters the Dispense Val ve through the m aterial inlet port located on the m etering rod/sleeve assembly and fills the d ispense c avity. The start dev ice activates the d[...]

  • Page 5

    OPERA TING PROCEDURES DRY SYSTEM CHECKOUT This is an initial check out to find if the s ystem setup is com plete. Conduct the dr y system check out without material in the s ystem. Attach the pne umatic press ure lines from the dispense valve to the air su pply controller. Turn on the el ectric and air suppl y. Set the air pressure to 70 psi (4.8 b[...]

  • Page 6

    OPERA TING PROCEDURES OPERATION ADJUSTMENTS Adjust the Dispense Valve for proper opera tion as follows. See step 4 for volum e adjustm ent. 1. Make sure that all th e Dispense Valve c onnections are in plac e. 2. Connect the m aterial for dispensing. Posi tion a container to catc h the dis pensed m aterial. Cycle the Dispense Valve unt il you are g[...]

  • Page 7

    MODEL 1206 GEN ERAL ILL USTRATION Page 7 1 Stroke A djustment Coll ar 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 Bloc k 16 Washer 6 Seal Separator Rod 17 Top Cylinder Block 7 Metering Rod/Sleeve Assembly 18 Socket Head Set Screw 8 O-Ring 19 O-Ring 8A Plastic Washer (.188 rod mod[...]

  • Page 8

    PERIODIC M A INTENANCE A SS EMBLY Re fer to the illustr ation above and the dra wings i n the back of this manual for your exact m odel. Note: Clean all valve parts with an appropriate so lvent prior to reas sembly. Alwa ys install new, lubricated O-rings and seals whe n assem bling the valve. Use Krytox 203GP L (part num ber 84/0200 -K3/11) for lu[...]

  • Page 9

    TROUBL ESHOOTING Review the s y m ptoms below for op erating difficulties. W ith each problem there are one or m ore possible caus es to investigate. NOTHING H APPENS - If absolutel y nothing happens when trying to c ycle the Dispense Valve, check the electric and pneum atic power. Check the f oot switch or cycle start switch f or proper conne ctio[...]

  • Page 10

    Page 10 MODEL 1206 REC OMMENDED SPA RE PART S Note: These parts are routine su pp ly items or w ear parts not covered b y warranty for normal wear. Quantity Description Part Number 1 SEAL KIT,1206 see assembly draw ing for part number 1 1206,METERING RO D/SLEEVE ASS Y see assembly draw ing for part number 1 ASSY,CHECK V ALVE/LUER LOCK OUT LET see a[...]

  • Page 11

    ACCESSOR IES GENERAL ACCESSORIES Graco off ers a full line of standard and cus tom acces sories for your dispensing needs i ncluding: Valve Controllers Syringe Feed S ystems Cartridge Retainers an d Press ure Reservoirs Titan 200 High Press ure Cartridge Fee d Systems Transfer Pum p Feed Systems for 1, 5 and 55 gallon containers Single and Multi - [...]

  • Page 12

    GENERA L GUIDELINES FOR O - RINGS AND U - CUP SEALS Sizes and materia ls of construction for O - rings and U - cup seals are selecte d by Graco Inc. b ased on com patibility with the chem icals to which the y will be exposed. Solvents th at may rem ove residual chemicals of ten have negative eff ects on the mechanical propert ies of O - rings and s[...]

  • Page 13

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  • Page 14

    Graco warran ts all equipment refe renced in this do cument which i s manufactured by Graco and bearin g its name to be fre e from defects in material and wo rkmanship on the date of sale to the original purcha ser for use. With the exception o f any special, ex tended, or limited warra nty published by Gra co, Graco will, for a period of twel ve m[...]