DeZurik G-SERIES Instruction
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DeZurik G-SERIES Instruction

Handwheel and chainwheel actuators
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DeZURIK G-SERIES
HANDWHEEL AND
CHAINWHEEL ACTUATORS
D10083
Instruction
August 2012

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Summary of Contents for DeZurik G-SERIES

  • Page 1 DeZURIK G-SERIES HANDWHEEL AND CHAINWHEEL ACTUATORS D10083 Instruction August 2012...
  • Page 2 Inspection Your G-Series actuator has been packaged to provide protection during shipment. Carefully inspect the unit for damage upon arrival and file a claim with the carrier if damage is apparent. Parts Recommended spare parts are listed on the assembly drawing.
  • Page 3 DeZURIK G-Series Handwheel and Chainwheel Actuators Table of Contents Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 4 DeZURIK G-Series Handwheel and Chainwheel Actuators Description These instructions cover adjustments and maintenance for a DeZURIK G-Series handwheel or chainwheel actuator. Two sizes, G12 and G16, are available. See Figure 1 to identify which unit you have. This actuator can be furnished with either cast iron or ductile iron gears.
  • Page 5 G-Series Handwheel and Chainwheel Actuators Lubrication The G-Series Actuator has been lubricated at the factory and requires no routine lubrication. If the actuator is disassembled, lubricate the worm gear and bearings and pack the gear sector teeth using one of these...
  • Page 6 DeZURIK G-Series Handwheel and Chainwheel Actuators Disassembling the Actuator G12 UNITS 1. Shut off line pressure if the actuator is mounted on an installed valve. 2. Remove the actuator cover screws and the actuator cover. 3. Note the position of the gear sector—it must be installed in the same position during reassembly.
  • Page 7 DeZURIK G-Series Handwheel and Chainwheel Actuators Reassembling the Actuator G12 UNITS 1. Assemble the drive shaft and handwheel, worm gear, thrust bearing, and bearing race. 2. Install the pin that connects the handwheel drive shaft and the worm gear. 3. Install the pipe plug in the housing.

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