MTS Series 244 Actuators - Manual (Page 56)

Hydraulic Connections
Description Item
Some manifolds support two servovalves. 1
Return Port 2
Drain Port 3
Pressure Port 4
Caution:
Do not use inferior quality hydraulic fluids.
Using fluids other than those specified by MTS may cause component or system failure or both.
Use Mobil DTE 25 or Shell Tellus 46 hydraulic fluid only.
56 Series 244 Actuators Product Information
Installation