After playing with the Panzer III indoor for quite some time, I'm now finally ready to change the stock track into metal track and run it ourdoor. I know I need to change the 4 spring suspensions, but how should they be taken out? Every spring unit is secured by two screws and one allen nut.

Can anyone advise me? How should I remove to take out the spring? I hate to take out the wrong screws and ruin everything...[]

Your help is much appreciated!!!

BTW, Here's my Panzer III