Crawford Cdm9 950 Installation Manual !!hot!!

Before lifting the unit, the drive shaft of the door must be inspected for burrs or damage. The CDM9 is typically mounted directly onto the door shaft (hollow shaft drive). Alignment:

: Mount the torque bar onto the mechanical unit, then install the rubber damper between the torque bar and the mounting console.

Lubricate the door hinges and rollers (do not lubricate the internal motor gears).

Tighten the locking collar screws on the hollow shaft of the operator to the torque specification noted in your specific sub-model document (usually 15-20 Nm) to prevent lateral shifting. 2. Manual Disconnect Setup crawford cdm9 950 installation manual

Place an object under the door to verify that the safety edge or photocell reverses the door. ❌ 6. Troubleshooting Common Issues

Drive the door upward to the desired , ensuring it clears the opening but does not crash into the travel buffers. Save this position. Run a full test cycle to verify the limits. Adjusting Mechanical Cams (If Applicable) Loosen the locking screw on the limit switch cam assembly.

Installing and maintaining a Crawford CDM9 950 operator requires precision to ensure the safety and longevity of your industrial door system. This heavy-duty drive unit is designed for balanced overhead sectional doors, providing reliable performance in demanding environments. This guide serves as a comprehensive overview of the Crawford CDM9 950 installation process, safety protocols, and troubleshooting steps. Safety First: Pre-Installation Requirements Before lifting the unit, the drive shaft of

: Squeeze the rubber seal to verify that the safety LEDs (D4 and D5) respond correctly. The door should then be run through a full cycle to confirm it reverses correctly upon reaching the floor. Hurð ehf. Technical Specifications Specification Max Door Weight Up to 400 kg (Standard CDM9) or 800 kg (CDM9 HD) Opening Speed 0.25 m/s (Standard CDM9) Supply Voltage 230 V AC, single-phase, 50/60 Hz Protection Class IP55 for the main unit Dimensions 340 x 230 x 140 mm

The Crawford 950 control system manages the power distribution, motor phases, and safety logic. The wiring must be routed cleanly through strain-relief cable glands to prevent water ingress and physical wear. Main Power Supply

. Whether it is a chain hoist or a de-clutch mechanism, the end-user must be able to open the door manually during a power failure. Safety Warning: Lubricate the door hinges and rollers (do not

The CDM9 950 uses either digital electronic limits or mechanical micro-switch cams to determine the fully open and fully closed positions. Adjusting Electronic Limits

Switch the control panel into (often achieved by holding the "Stop" or "Set" button for 5 seconds). Step 2: Setting the CLOSE Limit Position