welding cracks in Blitz chassis

[Jason Linders]

Hi does anyone have a manual that state how to repair cracks in the chassie rails or the manufacturers recommendations for a ford blitz,dont wont to replace the rails becouse of the chassie number and its on a FGT no8 gun tractor. i have someone lined up to do the repairs but just seeing if there is any info on the repair for the blitz.

Any help would be good
Thanks