Graco 332093A Manuel d'utilisateur

Instructions Dispensit - 702-20 Usage Statement – Depending on valve configuration this valve can be used to dispense the following: Wide range of

10 PERIODIC MAINTENANCE ASSEMBLY Caution: Make sure you have your safety glasses on and that the valve is pointed away from you and others. The spri

11 TROUBLESHOOTING If operating difficulties are encountered, review the symptoms below. With each problem there are one or more possible causes that

12 MODEL 702-20 RECOMMENDED SPARE PARTS Note: These parts are routine supply items or wear parts not covered by warranty for normal wear. Quantit

13 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

14 Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material

2 DISPENSIT® MODEL 702-20 DISPENSE VALVE OPERATING & MAINTENANCE MANUAL General Information ...

3 GENERAL INFORMATION The Model 702-20 Dispense Valve is designed for applications that require ON/OFF dispensing of beads and/or dots. It has dispe

4 DESCRIPTION OF OPERATION 1. The normal ready state of the system is as follows:  The syringe or remote reservoir contains the dispensable materia

5 OPERATING PROCEDURES DRY SYSTEM CHECKOUT This is an initial checkout to determine if the setup has been properly completed. Conduct the dry system c

6 OPERATING PROCEDURES WET SYSTEM CHECKOUT Using the purge cycle on the air supply controller, run the material through the dispense line until a sm

7 PERIODIC MAINTENANCE DISPENSE TUBE REPLACEMENT Dispense tube life is difficult to predict due to its dependence on the cycles, speed, downtime an

8 PERIODIC MAINTENANCE DISASSEMBLY Caution: Make sure you have your safety glasses on and that the valve is pointed away from you and others. The

9 MODEL 702-20 GENERAL ILLUSTRATION 1 Tubing 13 Backplate 2 Hose Connector (1/8" typical) 14 Faceplate 4 Screw,#10-32 x 3/4 15 Screw,#6-32 x