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Post by rocketmanbkk on Oct 13, 2021 5:25:19 GMT
It’s a job that I don’t particularly like doing.
What’s the easiest way to get the buggers out?
I usually put the spanner on it & wack it with a hammer to shock it. It’s a risk but using the bar doesn’t usually get it moving. Maybe I’m too weak!
Cheers all
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Post by crowsfoot on Oct 13, 2021 6:28:25 GMT
Getting one out of a modern thin pressed lagged copper cylinder can indeed be a work of art. Giving it a good wack will almost certainly crease those thinly pressed storage cylinders.
After draining off 8" of water from the top of the storage cylinder, I would first disconnect all the electrics then break off any plastic bits left on the old I heater element that might smoke and burn.
Then once these are removed it's in with the blow lamp and give the element itself a good bit of heat, then quick as you can douse the element with a mug full of cold water (this should transfer some of the heat from the element to the storage cylinder itself causing the boss to expand thus weakening it's grip) then give the spanner a wack with the lump hammer and with a bit of luck it should move.
What do you think?
It's untried.
Tappy,
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Post by woodbine66 on Oct 13, 2021 10:13:55 GMT
As above more or less. First warn customer of risks and that a new cylinder may be necessary if it won't come out without damage. Heat, heat and more heat - first removing anything combustible and a little bit of insulation around element. Shocking with cold water is good too. Use a Monument immersion spanner. They're the best. After heating, tap end of handle with lump hammer and keep tapping. Lots of smaller taps better and less likely to damage than big whacks.
Good luck!
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Post by dickpuller on Oct 13, 2021 12:37:02 GMT
Heat as said is the best👍👍
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Post by tomplum on Oct 13, 2021 14:21:29 GMT
I agree that heat is the amswer and, Do warn the customer that things could go wrong and often do,  |
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Post by rocketmanbkk on Oct 13, 2021 15:10:55 GMT
Thanks all
I’ll get the blow torch out
Cheers
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Post by crowsfoot on Oct 14, 2021 6:51:23 GMT
Unvented cylinders are tough cookies and they can take a good wack and I wouldn't normally go to the trouble with the blow torch on these.
Modern cylinders fitted on new solid fuel systems have to be very thick/heavy these days due to the new HEATAS regulations.
NB. I fitted one on solid fuel recently (not having fitted one for a number years) and it was so heavy that I struggled to get the bugger upstairs!
When fitting the old thinly pressed cylinders I could put one finger in the top connection and lift them up quite easily (it's these were you will mainly need the blow lamp).
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