Top HW55 piston aluminium block arrowed.
Below HW50 piston
P1040307.jpg
Top HW55 piston aluminium block arrowed.
Below HW50 piston
P1040307.jpg
Personally, I'd be going with a new spring (yours looks kinky!).
Plastic TH, and steel spring guide fixed in the trigger block (seeing as somebody's already done the work machining it).
And sleeve down the TP to 3.2ish?... 4.5mm sounds a bit huge, doesn't it?
(I don't recognise the seals on those pistons of yours, Jim?)
Many thanks for the support all. I have a much later 55T so may have a peek inside just for curiosity.
On that note Jim what was the stroke before you went for 70 mm?
The early HW55 models did have a fixed spring guide ..
At a later date this feature was changed to the separate guide, not sure at what date that was done though?
I would remove the piston seal adapter and replace it with a leather seal as it should be.
.
----------------------------
Frank
Thanks again. Must get on with it! I'm suspicious about the trigger unit. Has wear consistent with age and pre safety frame with stop pin above main sear but
the sear fouls the slot in main cylinder so has to be depressed to unscrew the block. Read somewhere that early 55T had match trigger later became Rekord for 35??
Last edited by deejayuu; 13-03-2018 at 10:27 PM.
[QUOTE=Rickenbacker;7456650]Personally, I'd be going with a new spring (yours looks kinky!).
Plastic TH, and steel spring guide fixed in the trigger block (seeing as somebody's already done the work machining it).
And sleeve down the TP to 3.2ish?... 4.5mm sounds a bit huge, doesn't it?
I agree, think 4.5 TP would be problematic.
Baz
BE AN INDEPENDENT THINKER, DON'T FOLLOW THE CROWD