DeZurik G-SERIES Instructions Manual Download Page 3

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DeZURIK

G-Series Cylinder Actuator Used on BAW Butterfly Valves

August 2012

Page 3

D10480

Table of Contents

Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Air Supply - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Lubrication - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - -

Actuator Identification - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - -

Adjusting Position Stops

Adjusting the Open Position Stop

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Adjusting the Closed Position Stop

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Removing Actuator - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Installing Actuator - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Removing Cylinder - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Installing Cylinder - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Disassembling Actuator - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Reassembling Actuator - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Changing Mounting Positions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Summary of Contents for G-SERIES

Page 1: ...DeZURIK Inc Sartell Minnesota USA Phone 320 259 2000 www dezurik com info dezurik com DEZURIK G SERIES CYLINDER ACTUATOR USED ON BAW BUTTERFLY VALVES Instruction D10480 August 2012 ...

Page 2: ...ction when dealing with hazardous pipeline materials Handle valves which have been removed from service with the assumption of pipeline material within the valve Inspection Your G Series Cylinder Actuator has been packaged to provide protection during shipment however it can be damaged in transport Carefully inspect the unit for damage upon arrival and file a claim with the carrier if damage is ap...

Page 3: ...upply 4 Lubrication 4 Actuator Identification 4 Adjusting Position Stops Adjusting the Open Position Stop 5 Adjusting the Closed Position Stop 6 Removing Actuator 6 Installing Actuator 6 Removing Cylinder 8 Installing Cylinder 8 Disassembling Actuator 9 Reassembling Actuator 10 Changing Mounting Positions 12 Troubleshooting 12 ...

Page 4: ...arings using one of these lubricants Keystone Zeniplex 1 recommended Amoco Amolith Grease 1 EP alternate Amsoil GHD alternate Mobil Mobilux EP 1 alternate Petro Canada Vultrex MPG EP 1 alternate Shell Alvania EP 1 alternate Texaco Multifak EP 1 alternate If the cylinder is disassembled it must be lubricated as described in the cylinder instructions Actuator Identification The G Series Cylinder Act...

Page 5: ...e factory set and do not require adjustment unless the actuator has been disassembled or actuator orientation has been changed Adjusting the Open Position Stop On 6A and 12A cylinder actuators the Open Position Stop is located in the end of the extension cap opposite the cylinder See Figure 2 The actuator must be mounted before adjusting the position stop 1 Loosen the Open Position jam nut 2 Adjus...

Page 6: ...se personal injury or equipment damage Disconnect and lock out power to actuator before servicing 2 Disconnect and lock out the pneumatic power to prevent accidental operation of the actuator 3 Scribe corresponding lines on the valve and actuator to help align them during installation 4 Remove screws P4 and lockwashers P10 and lift actuator assembly off adaptor P1 See Figure 4 for connecting parts...

Page 7: ...DeZURIK G Series Cylinder Actuator Used on BAW Butterfly Valves August 2012 Page 7 D10480 Figure 4 Connecting Parts Identification ...

Page 8: ...rebuilding the cylinder Installing Cylinder 1 Scrape the old gasket material from the actuator housing and cylinder head then place a new gasket on the cylinder head 2 Install the cylinder rack rod assembly by sliding the rack rod through the rack B4 and fasten the cylinder to the housing B1 with screws B27 NOTE If the rack rod is not attached to the cylinder assembly clean the threads of both the...

Page 9: ... spacer B21 from the end of the rack rod B6 5 Remove the screws B27 fastening the cylinder assembly to the actuator housing B1 and carefully remove the cylinder assembly and rack rod B6 by sliding it away from the actuator until the rack rod clears the actuator housing 6 Remove the screws B18 fastening the pointer to the gear B3 and remove pointer 7 Scribe corresponding lines on the cover B2 and h...

Page 10: ... Fasten the actuator housing B1 to the adaptor plate P1 using screws P4 and lockwashers P10 4 Drive the pin B11 through the rack bearing B7 and housing B1 if worn rack bearing was removed 5 Apply a liberal amount of lubricant to the teeth and back of the rack B4 which contacts the rack bearing B7 and install the rack in the housing B1 6 Apply a liberal amount of lubricant to the teeth and journals...

Page 11: ...en the cylinder to the housing B1 with screws B27 NOTE If the rack rod is not attached to the cylinder assembly clean the threads of both the rack rod and the cylinder shaft then apply Loctite to the cylinder shaft threads and screw the rack rod onto the cylinder shaft 9 Slide the spacer B21 onto the rack rod B6 and screw the jam nut B22 onto the rack rod B6 until the spacer is tight against the r...

Page 12: ... power actuator can cause personal injury or equipment damage Disconnect and lock out power to actuator before servicing 2 Remove the actuator from the valve See Removing Actuator section 3 Rotate the actuator to the desired position 4 Install the actuator on the valve See Installing Actuator section Troubleshooting Condition Possible Cause Corrective Action Actuator closes to wrong position Close...

Page 13: ...ll be the only effective guarantee or warranty binding on Seller despite anything to the contrary contained in the purchase order or represented by any agent or employee of Seller in writing or otherwise notwithstanding including but not limited to implied warranties THE FOREGOING REPAIR AND REPLACEMENT LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OBLIGATIONS AND LIABILITIES INCLUDING ALL W...

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