Skip to main content

Introduction

This guide will show you how to replace the batteries in the telrad. The telrad requires two double AA batteries. It is a good idea to have a few handy on all your observing runs, just in case your batteries die.

  1. Remove the telrad from the telescope. Gently pull the top cover of the telrad straight off, exposing the battery compartment. Gently pull the top cover of the telrad straight off, exposing the battery compartment.
    • Remove the telrad from the telescope.

    • Gently pull the top cover of the telrad straight off, exposing the battery compartment.

  2. Pull the grey foam pieces out of the battery compartment. Pull the grey foam pieces out of the battery compartment. Pull the grey foam pieces out of the battery compartment.
    • Pull the grey foam pieces out of the battery compartment.

  3. Gently lift the battery holder up. The battery holder is still attached by two small wires, do not yank it out or you may damage the wires. Insert the batteries into the battery holder. Use the diagram to align the negative end of the battery to the spring as you insert the batteries.
    • Gently lift the battery holder up.

    • The battery holder is still attached by two small wires, do not yank it out or you may damage the wires.

    • Insert the batteries into the battery holder. Use the diagram to align the negative end of the battery to the spring as you insert the batteries.

  4. Gently place the battery holder back into the battery compartment. Arrange the holder so that the batteries face the side wall of the compartment. Arrange the holder so that the batteries face the side wall of the compartment.
    • Gently place the battery holder back into the battery compartment.

    • Arrange the holder so that the batteries face the side wall of the compartment.

  5. Slide the foam back into the compartment, right next to the battery holder. Slide the foam back into the compartment, right next to the battery holder.
    • Slide the foam back into the compartment, right next to the battery holder.

  6. Slide the battery compartment cover back onto the telrad. Slide the battery compartment cover back onto the telrad. Slide the battery compartment cover back onto the telrad.
    • Slide the battery compartment cover back onto the telrad.

Conclusion

This material is based upon work supported by the National Science Foundation under Grant No. 1212159. Any opinions, findings and conclusions or recommendations are those of the author(s) and do not necessarily reflect the views of the NSF.

John Keller

Member since: 10/15/2012

1 Reputation

8 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 1

Past 30 Days: 12

All Time: 1,715