How to Put a Harmonica Back Together: A Step-by-Step Guide

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If you’re wondering how to put a harmonica back together, then you’ve come to the right place. This step-by-step guide will help you quickly and easily assemble your harmonica. Whether you’re a beginner or an experienced player, this guide will walk you through the process of putting your harmonica back together, so you can get back to playing your favorite songs. So let’s get started!

Gather Tools and Materials

Gather Tools And Materials
You will need a few tools and materials in order to put the harmonica back together. These include a small Phillips screwdriver, tweezers, a pair of needle-nose pliers, and a cloth rag. You will also need a few small screws and springs, which you can obtain from a music store. Additionally, you will need some wood glue and a few drops of oil to lubricate the springs and screws. Have all the tools and materials ready before you begin the assembly process.



1. Remove the Cover Plates

Carefully remove the cover plates from the harmonica. If they are stuck, use a thin flat object to help pry them off.

2. Unscrew the Comb

Unscrew the comb, which holds the reeds in place. This is usually done with a Phillips screwdriver.

3. Remove the Reeds and Spacers

Once the comb has been removed, take out the reeds and spacers. Be careful not to bend the reeds as you remove them.

Discover Top 3 Harmonica Bestsellers

Bestseller No. 1
East top Diatonic Blues Harmonica Key of C, Blues Harp Mouth Organ 10 Holes 20 Tones 008K with Blue Case, Standard Harmonica For Adults, Professionals, Beginners and Students
  • Professional harmonica for adult-East top 10 hole professional diatonic harmonica, suitable for Blues, Folk, Rock, Country, Jazz etc. Great for professional harmonica players and beginners. This Professional Blues Harmonica has exquisite workmanship, beautiful appearance, accurate tone and responsive.
  • Rich sound, responsive, airtightness - Precision-made plastic comb with phosphor bronze reeds; 1.2mm thickness reed plate is easier to get the higher pitch, rich sound and timbre. The reed plate with electroplating antirust, the hole, reed gap is better after electroplating. At the same time, you will feel comfortable when playing, easy to use the skill, such as over-blowing and bending, giving the performer a new experience.
  • Pocket size and easy to bring-(4.01x 1.06x 0.75)"/ (102x 27 x 19)mm(L x W x H), you can put it into your pocket, it can be played everywhere, such as party, school, office and trip etc.
  • Beautiful packaging- The package is exquisitely small and can be used as a birthday present, a gift for further study, a holiday souvenir or a business meeting gift and wedding anniversary etc.
  • Package includes 1x harmonica (key of C); 1x instruction and 1x cleaning cloth. We are the harmonica manufacturer of the East top brand.Backed Up with East top 30 Days Unconditional Money Back . You can rest assured to buy our products.
Bestseller No. 2
JDR Harmonica Set of 7 (Key of C D E F G A Bb) 10 Holes 20 Tones Blues Harp Diatonic Mouth Organ armonica with EVA Protective Case for Adults Kids Beginner Professional Intermediate Student Gift Black
  • ♪ Professional harmonica set: Excellent design and exquisite workmanship 7-pack of harmonicas includes keys of C, G, A, D, F, E, and B♭. Great harmonica system suitable for blues, folk, pop, jazz, country and classical music.
  • ♪ High-quality Raw Materials: The JDR harmonica high-sensitivity phosphor bronze reed plate differs from inferior aluminum, it is made of copper. The 1mm of copper reed plate is conducive to the sound more clear and melodious.
  • ♪ Precise Manufacturing: The JDR harmonica comb is specially crafted with non-toxic food-grade ABS resin and chrome-plated mirror. It is not only lightweight, but also can prevent rust and corrosion. JDR harmonica set is child-friendly and safe, and has also passed Food Safety Certification.
  • ♪ Portable Size: The JDR 10 holes 20 tones key of C harmonica is cleverly designed with a streamlined body. Each harmonica is 4.09"x0.31"x1.10", you can slip into the pocket wherever you go. Each harmonica is carefully tuned and tested during manufacturing to ensure best sound and quality.
  • ♪ JDR Service Policy: Package includes 7-pack of Harmonica, premium protection box. For any possible defective products 90 days no reason to refund, 180 days replacement service.
Bestseller No. 3
Fender Blues Deville Harmonica, Key of C
  • Key of C
  • Designed to sound as good as the Fender brand name would suggest
  • Its richer tone and pitch is made possible with a molded PVC comb and precision phosphor bronze reeds
  • Traditional shape and black satin covers will make your harmonica look as good as it sounds
  • Includes vented hard plastic case



1. Clean the Comb

Gently brush away dirt, dust and debris from the comb with a soft bristled brush. Use a damp cloth to wipe away any remaining residue.

2. Clean the Reeds

Clean the reeds with a small brush and a damp cloth, wiping away any dust or debris.

3. Clean the Cover Plates

Clean the cover plates with a soft bristled brush. Use a damp cloth to wipe away any dirt or residue.


Place the cover plate and the comb onto the harmonica. Align the two pieces so that the holes in the cover plate line up with the reeds in the comb. Secure them together with screws. Insert the reed plates into the comb, making sure that each slot is filled with a reed plate. Secure the reed plates with screws. Place the mouthpiece onto the cover plate. Replace the screws to secure the mouthpiece in place. Put the slide assembly back onto the plate. Secure the slide assembly with screws. Replace the screws that secure the cover plate and comb. Reassemble the air chamber, making sure the airtight seals are in place. Secure the air chamber with screws. Your harmonica is now reassembled.

1. Insert the Reeds and Spacers

1. Insert The Reeds And Spacers

  • Lift up the top cover of the harmonica and remove the reed plates
  • Check the reeds for any signs of damage or corrosion
  • If any of the reeds are damaged, replace them
  • Insert the reeds into the reed plates, making sure the tines of the reeds are facing down
  • Insert the spacers into the reed plates, again making sure the tines are facing down

2. Reattach the Comb

2. Reattach The Comb

  • Gently slide the comb back into the cover.
  • It should fit snugly.
  • Check the comb for any loose screws or parts.
  • If necessary, use a screwdriver to tighten them.
  • Continue to check the comb for any signs of damage.

3. Reattach the Cover Plates

3. Reattach The Cover Plates

  • Place the left-hand cover plate onto the reed blocks.
  • Secure the left-hand cover plate with the screws.
  • Place the right-hand cover plate onto the reed blocks.
  • Secure the right-hand cover plate with the screws.



Step Instructions
1 Assemble the harmonica pieces together.
2 Test the harmonica to make sure the reeds respond correctly when blown or sucked.
3 If the harmonica does not respond correctly, adjust the reeds and check again.


  • Check the reeds for corrosion and debris.
  • Clean and lubricate all moving parts.
  • Replace any broken or worn out parts.
  • Tighten all screws and nuts.
  • Check the comb for cracks or splits.
  • Replace the comb or reeds if required.
  • Check for air leaks in the harmonica.
  • Check for proper alignment of the reeds.
  • Check the tuning of the harmonica.
  • Check for proper air pressure.


After following the steps above, you should have your harmonica reassembled and ready to play. Make sure to test the reassembled harmonica to ensure that it is functioning correctly. If it is not, then refer back to the steps above and make sure that all the parts are correctly aligned and securely fastened. To keep your harmonica in top condition, it is important to clean it regularly and store it when not in use.

Frequently Asked Questions

What tools do I need to put a harmonica back together?

To put a harmonica back together, you will need a small screwdriver, a pair of tweezers, small pliers and a small brush. You may also need a cotton swab and some cleaning alcohol if the harmonica needs to be cleaned.

How do I ensure that all the pieces of the harmonica are in the right place?

Check the diagrams of the reassembled harmonica that can be found online to ensure that all of the pieces are being put back in the right place. If possible, use a magnifying glass to examine the pieces and check that they fit together precisely. Additionally, check the reed plates, comb, and cover plates for any damage or corrosion that may have occurred during dismantling. Finally, use a clean cloth to wipe the harmonica clean.

Are There Any Special Techniques to Ensure a Secure Assembly?

When reassembling a harmonica, it is important to ensure that all parts are properly aligned and secured. Use tweezers to hold the metal reed plates and spacers in place as you screw the screws into the comb. Place the spring and cover plates back in place and make sure they are properly aligned. Use a small screwdriver to tighten the screws. Make sure the screws are not over-tightened as this can damage the harmonica. Finally, use a harmonica maintenance kit to lubricate the reed plates and screws.

What is the Best Way to Reassemble a Harmonica After it Has Been Taken Apart?

When reassembling a harmonica, it is important to start with the reed plates and reeds, followed by the cover plates, screws and springs. Begin by ensuring that all reeds are facing the same direction, with the reed stamped with the note facing away from the reed plate. The reed plates should be tightly secured to the comb with the screws. Next, the cover plates should be attached to the reed plates with the screws, making sure to press firmly to ensure the reeds are in contact with the cover plate. Once the cover plate is secured, replace the springs and screws to their original positions. Once all pieces are in their respective places, the harmonica should be reassembled and ready for use.

What safety precautions should I take when putting a harmonica back together?

Wear safety goggles and gloves to protect the eyes and hands from any small parts that may fly off during assembly. Additionally, use a steady, flat surface to assemble the harmonica and ensure all tools used are appropriate for the job. Keep all tools and small parts away from children to prevent any accidents.


Reassembling a harmonica is not a difficult task, but it is important to take your time and follow the steps carefully. Make sure all parts are secure and lined up correctly before you start playing again. With proper maintenance, your harmonica should remain in good condition for many years.


About the author

Hey, my name is John Peters, and I’m a co-founder and Jack’s co-editors. My country sole was born when I was not more than 4 years old and my dad brought several country records home. These were the records by Nitty Gritty Dirt Band, Asleep at The Wheel, and Neil Young. I fell in love with the genre forever back then. Before entering the university, I managed to gather a collection of over 1200 vinyl records with both classic and modern country releases.

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