IMO - 49 EJ/EJX (MODEL G) ELECTRIC ACTUATORS

I GENERAL
1.1 WARNING
I. DISCONNECT POWER BEFORE REMOVING COVER.
2. TO PREVENT IGNITION OF HAZARDOUS ATMOSPHERES,
DISCONNECT SUPPLY CIRCUIT BEFORE OPENING UNIT.
KEEP ASSEMBLY TIGHTLY CLOSED WHEN IN OPERATION.
3. TO MAINTAIN THE HAZARDOUS LOCATION RATING OF
EJX ACTUATORS, IT IS ESSENTIALTHAT MATING SURFACES
OF FLANGES BE PROTECTED FROM NICKS AND SCRATCHES
WHILE DISASSEMBLED. UPON REASSEMBLY, THERE MUST BE
NO DIRT OR PARTICLES ON THE MATING SURFACES OR
FLANGES.
4. BEFORE INSTALLING THE VALVE AND ACTUATOR, BE
SURE THAT THE INDICATOR POINTER ON TOP OF THE
ACTUATOR IS CORRECTLY INDICATING THE VALVES PO-
SITION. FAILURE TO ASSEMBLE THESE PRODUCTS TO INDI-
CATE CORRECT VALVE POSITION COULD RESULT IN
PERSONAL INJURY.
1.2 OPERATING INSTRUCTION
Normal operating voltages for electric actuators: 115 VAC, 230
VAC as specified on the actuator. Refer to Product Bulletin A120-2
for torque output, duty cycle and operating speed. See wiring
diagram for proper wiring. Operating temperature range is -40°F
to +120°F however, below +40° F the heater option is required.
MOUNTING INSTRUCTIONS
I/4" - 2" A, AF & B Style Valves AMI-I
l/4" - 2" CLINCHER@ Valves AMI-2
I-l/2" - 2" A, AF, B Style Valves AMI-3
l/4" - 2" HP/HT Valves AMI-5
I/4" - 2" Series 5000 Valves AMI-8
3" - 4" 5150, 3" - 4" 5300, 2" - 3" 6150
2" - 3" 6300 AMI-9
1/2" - 2" Series 4000 Valves AMI-10
Butterfly Valves (See Valve IMO)
To obtain copies of these, contact your nearest Neles-Jamesbury
stocking distributor or write: Neles-Jamesbury, Inc., Box 15004,
640 Lincoln Street, Worcester, Massachusetts 01615-0004, U.S.A.
CAUTION
2 INSTALLATION CAUTION
2.1 General
Mount these actuators by following actuator mounting instructions
contained in the following AMI’s:
WIRING OF THE EJ/EJX (MODEL G) ACTUATOR
WHENEVER AN ACTUATOR IS REMOVED FROM THE
VALVE AND THEN REMOUNTED, THE LIMIT SWITCHES
MUST BE READJUSTED. SEE ADJUSTMENT SECTION.
WHEN SERVICING A VALVE/ACTUATOR ASSEMBLY, THE
BEST PRACTICE IS TO REMOVE THE ENTIRE ASSEMBLY
FROM SERVICE.
BEFORE PERFORMING ANY MAINTENANCE TO THIS AC-
TUATOR, DISCONNECT INCOMING POWER AND UN-
PLUG THE CAPACITOR FROM THE BASIC BOARD.
3