If any machine or engine does not start within a few tries the operator usually does not understand the starting process of that machine. Your just wearing out your starter and battery. Lesson learned. Inform yourself on the internet if you are not going to refer to the starting procedure in your manuals.
You need to pull the little lever to the left if the ignition this is a compresión lever it aids the hard cranking with cold temps. You pull lever they key start and release lever it works like a charm…
Looks like you really supped that baby up. The rear end ripped itself out with just a turn of the injector pump screw. I am just guessing that is what happened. Sometimes there is such a thing as "too much power".
Hello can you show how to pump fuel with hand on fuel pump? I have en Avant miniloader which is stopping in cold weather, mind it may probably help, but I dont know where this pump is located! I am quite new with it ...
Go watch some videos of gale banks (diesel tuning god) and then get back to modifying your engine. Find a way to measure egt, afr and timing... then make some real power - safely.