Replacing the Catch Magnet

You can replace the magnet that is part of the pull cord assembly when the magnet is broken.

Before you begin

For this task you need the following tools:
9/64" Allen key Drift punch / pliers Arbor press / hammer Anti-seize

About this task

Only qualified Marport technicians can do this task.

Procedure

  1. Remove the old pull cords.
    1. Remove the four screws on the pull cord assembly with a 9/64 size Allen key.
    2. Remove the cords, spring and magnet from the hole.
  2. If the pull-cords are in good condition, only replace the magnet.
    1. To remove the old magnet, remove the pin between the arms of the magnet using a drift punch or pliers.
    2. Slide the rope end between the arms of the new magnet with the pin facing up (1).
    3. Install the pin down through housing arms to secure rope in place. You can use an arbor press or hammer.
    4. Check that the rope is not pinched between the pin and housing arms and that the pin does not interfere with the spring.
  3. Install the new pull-cord assembly.
    1. Put the new pull-cord assembly in the hole on the side or end cap of the sensor.
    2. Apply anti-seize on the four screw threads, then tighten the screws with the 9/64 size Allen key.