While you wait for answers, we may have found some information which could help you.
Success
Message
How can I tighten loose blade in my circular saw?
Challenge xtreme mc5 7205?
How do I get blade out?
I need to replace the brushes on my circular saw?
Parts for skill saw?
Table saw not running and motor sparking?
Part Replacement?
Replacement helical gear for powerbase 801745?
Replacement18 volt. battery?
Need spare helical gear?
Replace faulty switch?
Bush Replacement Mitre Saw?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix circular saws.