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Summary of Contents for DeZurik LA Series
- Page 1 LA-SERIES MANUAL & ELECTRIC ACTUATORS D10308 Instruction March 2009...
- Page 2 Recommended spare parts are listed on the assembly drawing. These parts should be stocked to minimize downtime. Order parts from your DeZURIK sales representative, or directly from DeZURIK. When ordering parts, please include the 7-digit part number and 4-digit revision number (example: 9999999R000) located on the data plate attached to the valve assembly.
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Page 3: Table Of Contents
DeZURIK LA-Series Manual & Electric Actuators Table of Contents Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -... -
Page 4: Description
DeZURIK LA-Series Manual & Electric Actuators Description The LA-Series Actuator has a fully-enclosed compound link mechanism that is available in weatherproof or buriable models with internally adjustable stops. The actuator is sized for the valve and shutoff pressure specified. Consult the factory for sizing information if the actuator is used for other applications. -
Page 5: Spare Parts
DeZURIK LA-Series Manual & Electric Actuators Spare Parts • Recommended spare parts are listed below. Replace worn parts as described below. • Housing bearing (B2) • Thrust washers (B15, B16) • O-ring for valve shaft (B11) • O-rings for actuator shaft (B12, B49) •... - Page 6 DeZURIK LA-Series Manual & Electric Actuators Drawings (Continued) Figure 2—Actuator Side View D10308 Page 6 March 2009...
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Page 7: Adjusting Stops
DeZURIK LA-Series Manual & Electric Actuators Adjusting Stops The adjustable stops prevent the actuator from going beyond the open and closed positions of the valve. The stops are preset and do not require further adjustment. If the actuator is disassembled, however, the stops may require readjustment as described in the SETTING STOPS sections of this manual. -
Page 8: Reassembly And Installation
DeZURIK LA-Series Manual & Electric Actuators Reassembly and Installation 1. Clean all parts and remove old sealant from the actuator cover. 2. Restore the key and keyway in the valve shaft to original condition. 3. If the yoke bearing (B2) in the bottom of the housing is worn, replace it. -
Page 9: Setting Position Stops
DeZURIK LA-Series Manual & Electric Actuators Reassembly and Installation (Continued) 27. Center punch the end of the valve shaft on each side of the key to retain key in keyway. 28. Complete the assembly by following steps 2 -12 in the SETTING STOPS section of this manual.
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