Agilent Technologies G2743A Installing Manual Download

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Align the actuator assembly over the appropriate valve position. Note that
the cylinder always mounts away from the center of the valve box. Insert
the actuator drive shaft through the hole.

Fasten the actuator to the upper valve box with two T-20 Torx screws.

Cylinder away from
center of valve box

Front of GC

Back of GC

Summary of Contents for G2743A

Page 1: ...ation of a valve actuator on the 4890 Series 5890 Series and 6890 Series Gas Chromatographs GC The kits contain Description G2743A kit 6890 GC G2745A kit 4890 5890 GC Tubing connector 2 2 Screw machine M4 8 mm 2 Screw machine M4 12 mm 2 Actuator assembly 1 1 Solenoid valve 1 1 Installation sheet this document 1 1 Solenoid valve includes standoff screws and fittings ...

Page 2: ...tion Tools required T 10 and T 20 Torx drivers Flat blade screwdriver 3 mm hex key 7 64 inch hex key 4 mm hex key Screws 1 or 2 Actuator Hex wrench Standoffs Tubing connectors Solenoid Connector on 6890 GC pins on 4890 5890 GCs ...

Page 3: ...otective eyewear and a respirator 1 Install the heated zone kit if purchased as described in the instructions included with that accessory Leave the GC covers off and the power cord disconnected 2 Hold the upper valve box over a trash can then remove the pre cut insulation from the appropriate hole in the upper valve box Remove any excess or loose pieces from around the hole 3 Close the valve box ...

Page 4: ...sition Note that the cylinder always mounts away from the center of the valve box Insert the actuator drive shaft through the hole 5 Fasten the actuator to the upper valve box with two T 20 Torx screws Cylinder away from center of valve box Front of GC Back of GC ...

Page 5: ...ping screws 4890 5890 GC 2 Attach the clamp ring to the back of the bracket with two screws 3 Align the actuator assembly with the upper or lower standoffs The cylinder must be down Insert the actuator drive though the hole in the bracket and secure with two T 20 Torx screws Torx T 20 screw Actuator cylinder down Side mount bracket Valve to be installed later ...

Page 6: ...disturbed 3 Remove the nuts that hold the existing solenoids to the solenoid bracket 4 Separate the end solenoid with the air fitting from the others Insert the new solenoid between the end solenoid and the others Be sure that there are O rings on both sides of the solenoid 5 Adjust the threaded rods and tighten the nuts 1 2 3 O ring Air supply fitting do not remove To normally actuated actuator p...

Page 7: ...LENOID 1 1 Blue SOLENOID 2 2 Blue SOLENOID 2 3 Blue SOLENOID 1 4 Grn Y el GROUND 5 Blue SOLENOID 4 6 Blue SOLENOID 3 7 Blue SOLENOID 3 8 Blue SOLENOID 4 9 1 2 3 4 5 6 7 8 9 AS SEEN FROM WIRED SIDE Wire color Controls Number View the connector from the back wired side Pin 1 is farthest from the solenoid mount Normally actuated port Normally relaxed port 90 max ...

Page 8: ...ved remove the electronics cover and the GC right side cover 2 Install the two tubing connectors into the top of the new solenoid valve 3 Use a 4 mm hex key to remove the two mounting screws that secure the solenoid block to the bracket Mounting screws Tubing connectors ...

Page 9: ...he O rings are properly seated in the solenoid 6 Re assemble the end plates onto the solenoid assembly 7 Re install the assembly onto the bracket 8 Cut the tie wrap around the tubing leading from the actuator and route the tubing as shown in the next figure The tubing from the side of the actuator connects to the outside fitting on the solenoid the fitting farthest from the main board Trim the tub...

Page 10: ...10 Agilent Technologies G2745 90107 sa The actuator installation is complete To solenoid inside fitting To solenoid outside fitting Heater sensor cables Solenoid outside fitting ...

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Agilent Technologies G2743A, Installing Manual

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