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93mm Victorinox Disassembly

Over time, you might need to disassemble your knife for cleaning, maintenance purposes or for modding! Here, we provide a step-by-step guide on one method of how to disassemble your 93mm Victorinox Alox knife using a drill, pin punch, and jig.

It should be noted that if you are only looking for cleaning and maintenance, Victorinox have an excellent guarantee that you would void by following this guide.

 

Required Tools and Materials:

 

  1. 93mm Alox Swiss Army Knife

  2. Electric drill with 2.0mm and 2.5mm

    1. Pillar Drill or Hand Drill​

    2. Drill bit type to suit

  3. Pin punch

    1. 2.0mm diameter

    2. 2.5mm diameter 

  4. Jig or vise

  5. Safety glasses

  6. Work gloves

  7. A soft cloth or towel

  8. A small container to hold the disassembled parts

1

Prepare your working area.

a. Ensure you have a clear and tidy work area.
b. Set out the tools you have to hand.
c. Have some wipes or cloth ready to clean up.

3

Drilling the Pins

a. Secure your SAK for drilling. I use a jig that I made up for my pillar drill that means the SAK does not move around. I do this step with the tools closed. You can do it by hand if you are comfortable and safe doing it that way.
b. Drill bits, there are many options for this depending on what you have and whether you want to reuse the scales afterwards. You have pin shaft sizes of 3mm (outer) and 2.5mm (inner), remember that the peened head is wider that the shaft diameter of the rivet pin.
b1. - Ordinary drill bits - You can use ordinary drill bits, but ones that are suitable for drilling metal. 2.5mm and 3mm drill bits would be fine, but choose what is best and comfortable for you.
b2. - Centre drill bits - these are quite popular as you can remove the heads quite quickly choosing the right size.
b3. - Milling bits - I personally use milling bits as I prefer the approach as I does not wander around as much for me.
c. Align your dill over the centre of a pin, slowly drill down taking a bit of metal away at a time. You will speed up as you get more confident. I use a cutting compound or liquid to preserve the life of my bits.
d. Repeat for all three rivets. Try not to remove scale material if you can.
e. You should be left with a recessed rivet.

2

Prepare you SAK for Dissassembly

a. Chose which side you are going to drill the rivets out from, I prefer to drill from the non shield side.
b. This step is optional, but I like to reuse scales, so I tape up the shield side with four layers of standard gaffa tape.
c. Use a centre punch to mark the rivets on one side so that you know where to drill, make sure its centred!
d. Optional - you can tape up the sharp edges on the SAK if you wish, but I don't find it required.

4

Punching the rivets out

a. Remove the SAK from the jig and then I open up all the tools.
b. Place in a vice with the shield side facing down so the drilled rivet holes are facing upwards. I ensure that there is nothing below the rivets when in the vice.
c. Punching the rivets out. Make sure you do both external rivets first before the central rivet. Use the pin punch and hammer to firmly tap the rivets through. Draper makes some nice brass punches. You might find that if you have not drilled sufficient material they are hard to punch out, but its a balance of not damaging the scale.
d. Remove each tool as it becomes free and note the order that the tools come out. If you need a guide to how a model goes together look here https://www.sakspares.com/93mm-configurations

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