C15 brake pedal return spring location

[gusmagicbus]

I'm rebuilding a C15 SS80 and just can't figure out how or where the brake pedal return spring fits. I have managed to fit it where I thought it might work but there's not enough spring pressure to return the pedal. Any advice or photos would be ace. Thanks.

[AWJDThumper]

What year is your C15. Most of the later ones were fitted with a spring concentric to the brake pedal pivot which I've found is not that strong.

[gusmagicbus]

It's 1964

[AWJDThumper]

It should have the concentric spring if from 1964.

[AdrianS]

My B40 didn't have a return spring at all when I got it. The rear brake shoe springs returned the pedal. However on rebuilding I managed to source a concentric spring which is strong enough to return the pedal. The early models of the B40 and I assume C15 had a standard expansion spring attached to the frame and brake pedal.

[gusmagicbus]

Thanks all.  I've managed to sort it.  In the end I  slackened off the brake arm nut a little at the rear hub which allowed the brake shoe springs to assist the return spring in returning the pedal to the correct position.

Cheers