01-31-2018, 01:26 AM
Tonight I recapped the filter can. First step was just to desolder the wires and carefully label everything (the schematic shows the terminals from the bottom of the chassis - makes sense).
[Image: https://farm5.staticflickr.com/4625/3909...a933_z.jpg]
I used a soldering tool to break the internal wires connecting to the terminals. The top of the can then pops right off:
[Image: https://farm5.staticflickr.com/4762/3996...10f1_z.jpg]
I then used a heat gun to warm the sides of the can.
[Image: https://farm5.staticflickr.com/4619/2612...0f24_z.jpg]
Usually it's just a matter of softening the tar connecting the block to the can a bit.
This can was easier than some others that I've done - the block slid right out:
[Image: https://farm5.staticflickr.com/4652/3928...1ab6_z.jpg]
The can had a small amount of rust so I decided to throw it into an Evaporust bath overnight. Evaporust works best at warm temperatures. Since my workshop is the garage and it's ~40F out I brought the container into the house and placed it next to the heat vent.
[Image: https://farm5.staticflickr.com/4709/2612...00e8_z.jpg]
[Image: https://farm5.staticflickr.com/4715/2512...94de_z.jpg]
Now to replace those caps. The new caps sure are a lot smaller.
[Image: https://farm5.staticflickr.com/4604/3909...5f2c_z.jpg]
[Image: https://farm5.staticflickr.com/4764/3928...4eb1_z.jpg]
And soldered back into place (just held in place with tape at the moment since the top of the can is soaking).
[Image: https://farm5.staticflickr.com/4768/2512...5a3b_z.jpg]
I then checked that the 112 was still operational. It was.
[Image: https://farm5.staticflickr.com/4625/3909...a933_z.jpg]
I used a soldering tool to break the internal wires connecting to the terminals. The top of the can then pops right off:
[Image: https://farm5.staticflickr.com/4762/3996...10f1_z.jpg]
I then used a heat gun to warm the sides of the can.
[Image: https://farm5.staticflickr.com/4619/2612...0f24_z.jpg]
Usually it's just a matter of softening the tar connecting the block to the can a bit.
This can was easier than some others that I've done - the block slid right out:
[Image: https://farm5.staticflickr.com/4652/3928...1ab6_z.jpg]
The can had a small amount of rust so I decided to throw it into an Evaporust bath overnight. Evaporust works best at warm temperatures. Since my workshop is the garage and it's ~40F out I brought the container into the house and placed it next to the heat vent.
[Image: https://farm5.staticflickr.com/4709/2612...00e8_z.jpg]
[Image: https://farm5.staticflickr.com/4715/2512...94de_z.jpg]
Now to replace those caps. The new caps sure are a lot smaller.
[Image: https://farm5.staticflickr.com/4604/3909...5f2c_z.jpg]
[Image: https://farm5.staticflickr.com/4764/3928...4eb1_z.jpg]
And soldered back into place (just held in place with tape at the moment since the top of the can is soaking).
[Image: https://farm5.staticflickr.com/4768/2512...5a3b_z.jpg]
I then checked that the 112 was still operational. It was.