BX40 Microscope Assembly and Disassembly

Read the Edited Video Transcript for ‘BX40 Microscope Assembly and Disassembly’

Hey, this is Chad with Munday Scientific. Today, we’re going to show you how to assemble and disassemble an Olympus BX40 microscope.

This is a very straightforward microscope to work on, and understanding how to properly break it down is especially helpful for:

  • Packing and shipping
  • Maintenance
  • Replacing components
  • General servicing

As usual, Olympus includes a built-in 3 mm Allen wrench, which makes this process much easier.


Step 1: Remove the Microscope Head

At the top of the microscope, you’ll find the 3 mm Allen wrench.

Removal Process

  1. Locate the Allen screw underneath the head
  2. Loosen the screw
  3. Carefully lift the head off

The eyepieces remain in the head, so if you’re packing the microscope, be sure to secure them properly.


Step 2: Remove the Objectives

Before removing objectives:

  • Lower the focus mechanism to create working space

Then:

  1. Unscrew each objective one at a time
  2. Place them safely on a table or in protective bags

For shipping, each objective should be individually protected.


Step 3: Remove the Stage

The stage is secured with a knurled thumb screw in the front.

Removal Process

  1. Loosen the knurled screw
  2. Carefully remove the stage

⚠️ Important: Avoid putting pressure on the coaxial stage controls, as this can damage the mechanism.

When setting the stage down, place it top-side down for safety.


Step 4: Remove the Substage Bracket (Condenser Carrier)

Next:

  1. Raise the focus mechanism back up
  2. Use the same 3 mm Allen wrench
  3. Loosen the substage bracket screw
  4. Slide the substage carrier off the dovetail

Microscope Is Now Fully Disassembled

At this point, the microscope is ready for packing and shipping.

Packing Recommendations

  • Place objectives in individual bags
  • Protect eyepieces separately
  • Wrap all components thoroughly in bubble wrap
  • Secure each major component carefully

BX40 vs. BX41: Key Difference

One of the most common questions we get is about the difference between the BX40 and BX41.

Primary Difference:

On most BX40 microscopes:

  • The nosepiece is fixed
  • It typically does not slide out

On many BX41 microscopes:

  • The nosepiece often includes a dovetail flange
  • This allows easier removal

While removable BX40 nosepieces do exist, they are rare and usually considered an add-on feature.


Reassembling the Olympus BX40

Now let’s put it back together.


Step 1: Reinstall the Substage Carrier

  1. Slide the substage carrier back onto the dovetail
  2. Make sure it is seated fully downward
  3. Tighten the Allen screw securely

Check that it does not wiggle.


Step 2: Reinstall the Stage

  1. Lower the focus
  2. Position the stage correctly
  3. Tighten the thumb screw

Once secured:

  • Ensure the stage is even
  • Confirm there is no movement

Step 3: Reinstall the Head

  1. Place the head onto the mounting flange
  2. Make sure it sits flush
  3. Tighten the retaining screw

Step 4: Reinstall Eyepieces and Objectives

If removed:

  • Insert the eyepieces into the head

Then:

  1. Lower the stage
  2. Install objectives one at a time

Lamp House Notes

Another common issue involves the lamp house.

Sometimes microscopes are shipped without the lamp house installed.

Key Points

  • Lamp houses are easy to reinstall
  • Bulbs can be changed easily
  • Lamp sockets may occasionally fail and need replacement
  • They use a simple pin connector system

This makes the BX40 a very serviceable microscope.


Final Thoughts

The Olympus BX40 is an excellent microscope that is:

  • Durable
  • Easy to maintain
  • Straightforward to assemble and disassemble

Whether you’re shipping, servicing, or upgrading, it’s a user-friendly system.


Contact Information

If you have any questions, feel free to reach out:

Email:

Online Store: microscopemarketplace.com


Closing

If you have any questions, just drop us a line—we’ll be glad to help! If you want to see more videos like this, be sure to subscribe to our Youtube Channel.