Once the bunker was fixed in place the underside of the loco needed to be sorted. Main problem is that the main body fixing on the 9F is through the bottom of the chassis into a boss under the cab floor. A floor that is no longer there as we are using the 4MT cab.
After a lot of thought the following pic shows what I came up with
A section of 4MT floor under the cab area with the 9F boss turned down in height and bonded on, with extra sections from the
