MEA INC
2600 American Lane | Elk Grove Village, IL 60007 | USA
T +1 847 766 9040 | F +1 847 350 1951
COMPLETE CONTROL
www.meaincorporated.com
MEA Incorporated | Hawk Actuator Instruction and Operation Manual
02/2018
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5. INSTALLATION
Part of the process of mechanically coupling the Hawk actuator to the valve/damper requires stroking the
actuator. Therefore, it is necessary that all electrical connections between the actuator and the Control
Enclosure are completed prior to final mechanical connections being made.
5-1 Electrical Installation Checklist
Prior to initially powering the Hawk Control Enclosure, confirm the following:
All wires and cables are firmly secured
Terminals are properly tightened
All motor encoder and power cable wiring is correctly tagged and connected per the MEA Field
Wiring diagram
All cable shields are properly grounded
Incoming voltage is measured and verified
5-1.1 Proper Protective Earthing
If the MEA field wiring diagram is adhered to, the HPS will be grounded to the Control Enclosure.
Grounding of the Control Enclosure must then be performed per applicable local electrical and hazardous
area codes.
5-2 Actuator Alignment
It is extremely important that the Hawk actuator is properly aligned to the valve/damper. Any
misalignment between the actuator, coupling, and driven device could cause damage to either the
actuator or the valve/damper. This damage could present itself as premature wear to actuator cylinder
rod and piston seals, scoring of cylinder walls, or in extreme cases bent valve stems.
5-2.1 Linear Actuator Alignment
For proper linear actuator alignment in the vertical position, perform the following procedure:
1) Place the actuator on the valve and couple the yoke to the valve, but do not tighten the mounting
bolts or spud nut.
2) Using the HMI in Manual mode, stroke the actuator piston rod until it is near the valve stem.
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