Installation Manual Top | Crawford Cdm9 950
Installing a Crawford CDM9 operator with an ECS 950 control unit requires precise mechanical positioning and electronic calibration to ensure safe and efficient door operation. Crawford industrial door operators are now part of the ASSA ABLOY Entrance Systems catalog, but many CDM9 units remain in active service globally. 1. Pre-Installation Setup
Are you experiencing a specific error code on the control display or a mechanical slippage issue? Troubleshooting Crawford ECS930A + CDM9 Automation Drive crawford cdm9 950 installation manual top
Fit the first stop ring onto the pivot, followed by the adapter. Installing a Crawford CDM9 operator with an ECS
Have you encountered issues with rust or hinge failure on older Crawford models? Share your field fixes in the comments below! Only trained persons may adjust spring tension
The door should stop at the fully opened position via the limit switch. Adjust the switch so that the buffer is pressed approximately Lower Limit Switch:
9. Safety Warnings (abridged from original)
- Only trained persons may adjust spring tension.
- Disconnect power before servicing motor.
- Do not install damaged sections or cables.
- Use correct bottom bracket restraint to prevent cable slack.
- Level (4 ft / 1.2 m)
- Tape Measure
- Socket Set (Metric and SAE)
- Power Drill with assorted bits
- Hammer Drill (for concrete anchoring)
- Wire Strippers/Crimpers
- Lifting Equipment (Forklift, Scissor Lift, or Cranes)
- Safety Gear (Hard hat, Gloves, Safety Glasses)
Upper Limit: Controlled by a magnetic sensor in the side column; adjust it so the door stops at the fully open position.