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Summary of Contents for DeZurik M Series
- Page 1 DEZURIK M-SERIES MANUAL ACTUATOR D10287 Instruction February 2017 DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | www.dezurik.com | info@dezurik.com...
- 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 M-Series Manual Actuator Table of Contents Description ..........................4 Operation ........................... 4 Required Tools ........................... 4 Lubrication ..........................4 Spare Parts ..........................4 Drawings ............................ 5 Position Stops ..........................6 Disassembly ..........................6 Reassembly and Installation ...................... 6 Setting Position Stops ........................ 7 Changing Actuator Mounting Positions .................. -
Page 4: Description
DeZURIK M-Series Manual Actuator Description The M3 & M7 M-Series Manual Actuators have a fully enclosed scotch yoke mechanism driven by a handwheel, chainwheel or 2" nut. The actuator is available as weatherproof or buriable, and has internally adjustable stops. The actuator conforms to the applicable requirements of ANSI/AWWA Standard C504. -
Page 5: Drawings
DeZURIK M-Series Manual Actuator Drawings Figure 1—Top View Figure 2— Side View February 2017 Page 5 D10287... -
Page 6: Position Stops
DeZURIK M-Series Manual Actuator Position Stops The position 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 ASSEMBLY and INSTALLATION. -
Page 7: Setting Position Stops
DeZURIK M-Series Manual Actuator Reassembly and Installation (Continued) 11. Start shaft into actuator, installing internal parts on the shaft as follows: a. M3 - thrust washer, collar (chamfer toward middle of actuator), smaller stop nut, yoke nut and larger stop nut. -
Page 8: Changing Actuator Mounting Positions
DeZURIK M-Series Manual Actuator Changing Actuator Mounting Positions This actuator retains the stem packing in the valve. Removing the actuator while the valve is under pressure can cause personal injury and equipment damage. Relieve pressure in the valve before removing the actuator. -
Page 9: Convert From Ccw To Cw To Open (Open Right)
DeZURIK M-Series Manual Actuator Convert from CCW to CW to Open (Open Right) This actuator retains the stem packing in the valve. Removing or servicing the actuator while the valve is under pressure can cause personal injury and equipment damage. Relieve pressure in the valve before servicing the actuator. -
Page 10: Troubleshooting
DeZURIK M-Series Manual Actuator Troubleshooting Symptom Possible Cause Corrective Action Closed position stop is set Actuator closes to wrong position. Adjust closed position stop. incorrectly. Open position stop is set Actuator opens to wrong position. Adjust open position stop. incorrectly. - Page 11 If you use metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns, you do so at your sole risk and any liability associated with such use shall not be the responsibility of DeZURIK, Inc. In addition to the foregoing, DeZURIK’s Manufacturer’s Conditions apply.
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