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In this guide

H903

Expansion Rack 6U

Fit the expansion rack into the lectern beam, secure it, and load rack components.
Original white H903 six-unit expansion rack installed beneath the lectern.

This guide is also available as a printable PDF.

Letter PDFA4 PDF
Applies to
H903 Expansion Rack 6U for the Heckler Lectern beam shown in the source.

In the box

  1. 1 x Expansion Rack 6U
  2. 4 x clips
  3. 1 x Camlock Key
Included expansion rack with two support tubes, four retaining clips, and cam-lock key.

Tools needed

  • Phillips screwdriver
  • Component-mounting screws

Slide Expansion Rack 6U into the Lectern Beam

Slide the two tubes at the top of the rack through the square holes in lectern’s underside beam.

Secure Expansion Rack 6U with clips

Place clips through the holes to lock the rack’s position.

Unlock Camlock and remove the cover

Use the cam-lock key to unlock the cam lock. Lift the cover off the rack body.

Use Camlock Key to unlock the Camlock. Remove the cover from the rack body by lifting it off.

Load components

Load components into the Expansion Rack.

H903 Lectern Expansion Rack 6U Installation Guide | Heckler