tom senior ELT service 65 

these simple well made machines can be taken apart with a pretty basic toolkit, can be serviced and put back to work.
I start from the front and work backwards. The internals are the same as my M1 machine which is handy as the M1 is a common machine and parts are reasonable to come by.
I reckon it will be the first time that this machine from the 70's has been gone through