Maybe this will help. I went to Google.com and entered Stiga Park 2002 workshop manuals and found this:
http://www.fh-lider.pl/photo/File/stiga_part1.pdf
http://www.fh-lider.pl/photo/File/stiga_part2.pdf
http://www.fh-lider.pl/photo/File/stiga_part3.pdf
http://www.fh-lider.pl/photo/File/stiga_part4.pdf
http://www.fh-lider.pl/photo/File/stiga_part5.pdf
http://www.fh-lider.pl/photo/File/stiga_part6.pdf
http://www.fh-lider.pl/photo/File/stiga_part7.pdf
http://www.fh-lider.pl/photo/File/stiga_part1.pdf
http://www.fh-lider.pl/photo/File/stiga_part2.pdf
http://www.fh-lider.pl/photo/File/stiga_part3.pdf
http://www.fh-lider.pl/photo/File/stiga_part4.pdf
http://www.fh-lider.pl/photo/File/stiga_part5.pdf
http://www.fh-lider.pl/photo/File/stiga_part6.pdf
http://www.fh-lider.pl/photo/File/stiga_part7.pdf