Tamaz,
I am SO happy you were able to find that manual. I have been in contact with one ot the staff members at SKAB, the manufacturer of the rear boxes on the TGB 131X series of 6x6 trucks. Looking through the archives of the SKAB location where they were assembled, he was able to find the same manual. In fact, he had started to scan it for me. When I received my original manual from a different source, he happy ceased his efforts.
I have been in contact with SKAB in order to gather more history about their involvoment with the TGB 6x6 trucks. I recently committed to writing a six article series on the Volvo TGB line of trucks for the MVPA (Military Vehicle Preservation Association). A decade ago, the MVPA published a four article seres I wrote on the Steyr Puch Haflinger trucks. I first joined the MVPA (then the MVCC) back in 1980.
Thank you again for the most excellent addition to the terranbil.net manual database.
Take care.
Jim Molloy