Don't - Emerson Bettis 2000 Series E796 M2CP Installation And Maintenance Manual

Section 1: Introduction
September 2018
Section 1: Introduction
1.1 DO
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1.2

DON'T

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DO follow proper storage procedures. Improper storage will void warranty.
DANGER: DO check for proper motor rotation. If valve goes wrong direction
when button is pushed, you have no torque or limit protection.
3-Phase incoming power voltage must have 2 wires reversed.
DO read and follow procedures before attempting to energize actuator.
DO cut off electric power before opening switch compartment.
DO install relief vent in highest point of gearbox.
DO use valve stem covers of sufficient length.
DO clean electrical enclosure flange thoroughly & lightly grease before closing.
DO secure electrical enclosure bolts (10-12 ft-lbs).
DO follow an annual maintenance procedure.
DO use caution when working on, with, or around valves and actuators.
You can be dealing with high pressures, forces, voltages and flammable media.
Don't Start-up without reading this manual.
Don't stack actuators.
Don't store actuator on the ground unprotected.
Don't lift the unit by clutch lever or handwheel.
Don't lift a valve assembly by electrical actuator.
Don't operate electrically without first checking proper phase rotation, torque
and position limit switch adjustments (follow instructions on pgs 2, 4 and 5).
Don't plug actuator motor by starting and stopping repeatedly to move a too
stiff valve. Check for cause.
Don't jumper torque switches except as recommended by Wiring Diagram or
Valve Manufacturer.
Don't use oversize thermal motor overloads to eliminate tripping problem.
Find cause and correct.
Don't use a cheater to force the handwheel. You can damage gearing and shafts.
Find cause and correct.
Don't torque seat valve, sluice gate or damper unless the valve manufacturer
recommends.
Installation and Maintenance Manual
E2K-402-0817 Rev. 3
Introduction