Marwin Valve ER Series Electric Actuators - Manual (Page 6)

3170 Wasson Road • Cincinnati, OH 45209 USA
Phone 513-533-5600 • Fax 513-871-0105
[email protected] • www.marwinvalve.com Bulletin IM-ERSeries-0210
Manual Override Operation Instructions
Push hand wheel down. 1.
Rotate to align slot with flats. 2.
Push down a second time to disengage gear train. 3.
Rotate hand wheel clockwise to go to open or counter-clockwise to go to close. 4.
Note: Actuator does not have mechanical stops. Do no rotate past open or close position. Use visual indicator to po-
sition actuator.
Cross section drawings for ER4-15 Series Nema Type 7
Enclosure for Class I Groups C & D, Class II Groups E, F & G Div. 1 & 2 with de-clutching manual override
Depending on actuator size and enclosure, manual over ride and visual indicator may be optional equipment that
must be specified at time of order.
Hand Wheel
Visual Indicator
Slot
Steel Balls
Stem
Spring
Flats