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Installation and Maintenance Manual
E2K-401-0817 Rev. 1
August 2017
Assembly to Valves
2.1.0.1 Mounting Screws
If EIM supplied adaption, the mounting screws are included. If the adaption to the valve
was the responsibility of others, the mounting screws are not furnished by EIM. Screws thru
adapter MUST engage a minimum of one screw diameter deep into EIM actuator base.
2.1.0.2 Locknut Lockpin Installation
1. With the actuator in place on the valve, ensure proper ange mating and valve
actuator orientation.
2. Use a number 30 (.1285) drill bit to drill a hole 3/4 inch deep into the Drive Sleeve
assembly threads for the Locknut Lockpin(56). Use the groove in the Stem Nut
Locknut threads as a guide.
3. Install the Locknut Lockpin (56) into the drilled hole to prevent the Stem Nut
Locknut from working loose and turning.
NOTE:
When installing, the Locknut Lockpin should extend 1/4 inch above the Drive Sleeve
assembly to allow for easy removal.
2.1.1 Thrust Spool Installation (Multi-Turn)
1. Locate Thrust Mounting bolts.
2. Remove the eight mounting bolts and separate the Spool from the actuator.
3. Position the Spool over the Valve Stem. Thread the Spool onto the Valve Stem until
it meets the valve plate.
4. Bolt and secure the Spool onto valve.
5. Position actuator above Spool. Lower actuator onto Spool while manually rotating
the unit until ears on the Stem Nut and ears on the main Drive Sleeve mesh.
6. Grease the ange face before securing unit to Spool.
7. Re-install thrust plate mounting bolts. Tighten to proper torque.
NOTE:
Reverse procedure if the Stem Nut needs to be replaced. Actuator does not need to be
returned to factory for this procedure.
Section 2: Assembly to Valves
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