Thanks for the info about the bobbin spring.
Here are the pictures again (not the greatest quality...):
[ATTACH=CONFIG]424512[/ATTACH] [ATTACH=CONFIG]424513[/ATTACH] [ATTACH=CONFIG]424514[/ATTACH] [ATTACH=CONFIG]424515[/ATTACH]
[ATTACH=CONFIG]424516[/ATTACH] [ATTACH=CONFIG]424517[/ATTACH] [ATTACH=CONFIG]424518[/ATTACH]