Because the disc is placed manually, radial alignment of the disc center to the spindle is critical:
Model: CDM9 950 Document Type: Installation & Operation Guide Subject: High-Performance Industrial Rolling Door crawford cdm9 950 installation manual top
Use M3 x 8 mm countersunk screws at the four mounting holes (marked M1–M4 on the PCB). Torque to 0.4 N·m. Over-tightening warps the die-cast frame. Because the disc is placed manually, radial alignment
| Precaution | Detail | |------------|--------| | ESD protection | CDM9 laser diode is static-sensitive. Use grounded wrist strap. | | Laser radiation | Class 1 laser product. Do not view directly. | | Lens cleaning | Use air blower only; never touch objective lens with cotton swab unless using pure isopropyl alcohol. | | Mechanical shock | Swing arm bearings are fragile. Avoid axial force on spindle motor. | Use M3 x 8 mm countersunk screws at
This report outlines the key sections and technical points found in the Crawford CDM9 950 installation manual, intended for use by qualified door and dock technicians.