Oster A5 Clippers Tutorial: End Cap Air Vent Maintenance
First and foremost: You will be exposing the contact points for the electricity coming into the clippers from the wall. Let me say that again and with emphasis: YOU WILL BE EXPOSED TO HOUSEHOLD ELECTRICITY if you open the back of the clippers and have not unplugged them. Be sure to do this on a surface where you can deal with lots of fine hair clippings. I chose to do this on a sheet on my desktop. I choose to do most of my work with clippers and blades on a sheet on my desktop for this reason. Well, except for clipping the dog. That I do on a sheet on the floor. 
REMEMBER, YOU MUST *UNPLUG* AND NOT JUST TURN OFF THE CLIPPERS! YOU COULD DIE. OK, that out of the way, unplug your clippers(!) and then with a Phillips #1 screwdriver, remove the two recessed screws holding the end cap in place. 
Notice the plug is out of the wall and staring at me? Be careful not to lose the little tiny lock washers that will either be left in the holes or on the screws, or both, or may have fallen out. Be careful, they are small. 
Now open up the cap. It should easily pull right open, there's no twisting or anything once the screws have been removed. In fact, mine wouldn't stay closed; it was hard getting this picture! But... Aha! What do we have here? some hair perhaps? 
Next pic is of the end cap removed from the body of the clippers. Lookit all that hair! 
This is of the body of the clippers. Yucko! 
Now simply take your handy work toothbrush and gently get all the hair out. Really, it's that simple. What you can't brush out, take outside and blow it out. Notice that my brush has some oil on it, that's probably not the best tool to be using at this moment. Try to avoid getting oil on the wires and especially the electrical contacts. They are the gold colored pieces of metal sticking into the fur in this picture. 
OK That looks pretty clean to me. 
End cap too. 
Did you see the two silver colored prongs in the endcap (right above) that make contact with the gold "paddles" in the body (pic above that)? Those two silver prongs would be just like sticking your fingers inside an outlet, that's direct AC. 120 volts and 15 or 20 amps. However, it troubles me that they have two different metals making contact here. The gold paddles do not appear to be gold plated, as they are oxidized in this picture a little bit. Not having the proper electrical contact cleaning tools handy, I resort to an old trick, a gum pencil eraser. I gently (and I do mean GENTLY!) erased the oxidation from all four contacts. I wouldn't recommend you do this unless you have experience doing that sort of thing with other electronic components. Plus, this is not mentioned in the Oster maintenance manual. That's it! Reassemble the clippers exactly the way you took it apart. It appears that the end cap can go on "either way", but I started with and ended with it in the same orientation: When looking at the clippers' face, the cord is on the right side, and the on/off switch is pointing down (or back) for off. Look at the first picture again:
Don't forget the lock-washers and snugly tighten, don't overdo it! The screws only go into plastic. |
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| Wow! I had no idea! Very very helpful. Thanks!! |
| It's very easy, a 5 or 10 minute job, tops. All you need is a #1 Phillips and a brush. |
| Thanks Ron! I'll do mine too. |
| Take a picture!
Shall we have a "how much hair was in YOUR clippers' end cap air vent" contest?  |
| I have NEVER cleaned mine. I didn't know to. I'm scared to look in there. All those dogs everyday for nearly 5 years.... lol |
JakobandBrandonsmom wrote: I have NEVER cleaned mine. All those dogs everyday for nearly 5 years.... lol We may have a winner! LOL |
Wow, I've had mine for 3.5 years and there was no hair in there! (yes, I really do use it  ) |
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