What did you last repair?

I've repaired lenses like that due to oil wicking onto the aperture blades, but decided it wasn't worth it unless the lens is rare-ish.

I actually have a 50mm AF Nikkor, one of the first China made ones, and it's a bloody good lens isn't it? It doesn't feel great to operate by hand, but the glass is excellent.
 
Dripping taps are a pet hate of mine, too. Drives me crazy! Hope you bought a NEW washer... not got an old one from your box of salvaged bits.

The Laundry saga gets worse. Only 6 hours after the landlord has fixed the Dryer, on passing I heard a strange humming noise coming from the washing machine on the deafening and unnecessarily high 1400 rpm spin cycle.

I didn't get involved because it wasn't my laundry. And it was house idiot Alan doing his wash.

But now I find he has broken it. I suspect he broke the dryer by overloading it too.

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Lit up like a Christmas Tree and displaying F05 Error Code:

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https://www.primerepair.co.uk/hotpoint-washing-machine-error-codes/

Means drum is not draning so probably a blockage. Usually small coins in the pipes which is why your mum always checked your trouser pockets for them when you were a kid.

Shouldn't be a hard fix for the landlord.
 
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unnecessarily high 1400 rpm spin cycle
It makes life for the dryer a bit easier - less water to dry and all.

We have FRIGIDARE units (caps fat finger). Cant kill 'em. My wife packs it so tight every time the stuff comes out in one big intertangled wad. I think one time with all the pillows in the house I heard it go "ka-boom-ka-boom-ka-BOOM" then stop. Then repeat the spin attempt. I didnt interfere; still didnt destroy itself, just repeated spin attempts and gave up, over and over, until the cycle timed out...

One pillow was like a giant sponge full of water - I needed to get a basin to take it out.

We liked the FD so much we bought a second identical one used, just for washable shoes. It's downstairs and I connect a hose from an outside spigot to it, just let the out water go onto the lawn. Had it for a few years now, using it maybe once or twice a year. Still works, every time I toss a pile of shoes into it. That fast spin allows the shoes to dry in the sun in just 1 good hot afternoon.
 
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My Esoterix X03 Player why starting to fail opening the tray door... Cleaned and re-lubricated the door rails and replaced a 1$ belt, the belt that drive the opening mechanism, problem solved.
The belt is located under the large center PCB under the player. Image of the original belt showing that it is deformed and was slack in place. The new belt is just perfect. Bought it locally...
 

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Ronsonol lighter fluid works on sticky aperture blades, beware if plastic body...read up about it.
It is basically pure naphtha, there may be equivalents available.
It is also used by gun enthusiasts, and a similar fluid is used by clock makers as well.

Yes, I've repaired a number of mechanical cameras and use a similar product to Ronsonol called Shellite. I have quite a few Pentax Spotmatics with a number of SMC Takumar lenses (among a few other brands).

Also, one of my other hobbies is mechanical watch repair so I'm familiar with the various solvents that leave little or no residue.

In line with the thread title, this is one I repaired earlier, a tiny Swiss ladies' watch (FHF59) that had a broken jewel on the balance from a shock. My mother in law's 21st birthday present resurrected. That's my index finger...you can see the balance is blurred as it is running after years sitting in a drawer.

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I fixed the power switch on a crappy old electric fireplace for my sister-in-law. Luckily it was easy to find a better quality direct replacement for the original part.

Also repaired a lamp for my sister, mechanical failure of the structure holding up the lightbulb assembly. Easily remedied with JB Weld.

I am also re-surfacing a deck with composite deck boards and aluminum railing. Nearly done. Gotta get the surround all in place before it gets too cold and I have a family of raccoons as tenants!
 
Another Microwave - nearly new Oster that went up to university with my son. Claimed the display blinked a couple times, then dead.

Luckily, the problem showed nearly immediately after removing the cover. Two browns going to a thermal switch had their blade connectors, well one was just scorched. Then the blade broke off completely when I tried to slip the connector back on. <snip><snip> twist with a cap had it lit nicely up again.

180C on the klystron, or whatever the tube is. Fan blades look so clean like new. Were they thinking fan / airflow failure? Or someone running it continuously 24/7? Replacement part is all of $2 - shipping included - from China. How important is that safety feature? There's a second on the microwave horn.
 
Fixed for the second time (last one?) my wife's 2005 Prius by replacing 3 cells in the HV battery. Much time to diagnose which cells to replace, which ones to keep, how to reassemble them and final balancing... but cheaper than going to Toyota for a full replacement. And more fun. Here's my little testing installation:

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The 2005 Prius and all "Prius" branded pure hybrids used a NiMH battery pack. The actual cells and total voltage output of the pack changed over the years.

The "Prius Prime" plug in hybrid uses a lithium ion pack similar to, but smaller than the one in a typical electric car. Many electric cars do use 18650 cells or similar cells of other sizes.

The number 18650 refers to the physical size of the actual cell which is 18 mm in diameter and 65 mm long. Other sizes are available. I have some 26650s which are about the same size as a "D" cell. There is a cell that is the same size as the AA but I don't remember its number.