Marwin-valve ER Series Electric Actuators Manuel d'utilisateur télécharger pdf (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 ats.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 specied at time of order.

Hand Wheel

Visual Indicator

Slot

Steel Balls

Stem

Spring

Flats

1 2 3 4 5 6

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Marwin-valve ER Series Electric Actuators Manuel d'utilisateur Page 6