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General| Brand | Emerson |
|---|---|
| Model | Hytork XL Series |
| Category | Controller |
| Language | English |
Essential safety practices for installation, maintenance, and operation of Hytork XL actuators.
Safety guidelines for lifting actuators, using appropriate equipment, and proper storage conditions.
Specifies the suitability of Hytork XL actuators for use in ATEX classified Zones 1, 2 (Gases) and 21, 22 (Dust).
Critical safety guidelines for handling actuators in potentially explosive atmospheres, including static electricity and grounding.
Specifies the use of clean, dry, or lubricated air or inert gas, and maximum pressure limits.
Defines the standard operating temperature range for actuators using standard seals and grease.
Explains the function and adjustment range of the two travel stops for setting open and closed positions.
Step-by-step instructions for adjusting the 'closed' and 'open' travel stops on the actuator.
Detailed steps for removing end caps and springs from spring-return actuators using retractor rods.
Instructions for changing spring sets on specific Hytork XL models, referencing steps 1-9 from previous section.
Procedure for removing end caps from double-acting actuators, noting that retractor rods are not required.
Steps for removing pistons from the actuator body by rotating the pinion.
Guidance on removing the pinion, including snap rings, thrust washers, and bearings.
Advice on inspecting parts for damage and wear, recommending replacement with Hytork XL spares kits.
Detailed instructions on recommended greases and specific application points for O-rings, bores, and bearings.
Steps for assembling and aligning the pinion, including bearings, thrust washer, and snap ring.
Detailed steps for assembling pistons, including clockwise and counterclockwise rotation configurations.
Procedure for assembling the closing and opening travel stops into the actuator, referencing Section 4.
Steps for installing SAFEKEY seals, end caps, and the position indicator on double-acting actuators.
Guidance on spring set adjustments, color coding, and installing springs and end caps for spring-return actuators.
Step-by-step instructions for assembling the stop block body, dowel pins, lock nuts, and stop bolts.
Overview of three configurations and two assembly methods for actuators with travel stops.
Defines the 'At Rest' or 'NORMAL (CLOSED)' position for double-acting and spring-return actuators.
Instructions for assembling double-acting and fail-safe clockwise actuators to valves.
Procedure for adjusting the left-hand stop 'A' to set the desired closed position (-30° to +70°).
Procedure for adjusting the right-hand stop 'B' to set the desired open position (-30° to +70°).
Details on the Hytork 'SPRING REMOVAL SYSTEM BOARD' and availability of retractor rods for disassembly.
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