Marvel Old 8 blade tension?

[_Duke_]

I have a 50+ yr old Marvel Series 8 vertical bandsaw. It's a model 8/M3/M5 similar to the one you see Jason Marburger occasionally use in his Fireball Tool videos.

On the upper blade guard is a plaque that says:

"Important- blade must be correctly tensioned. Turn tension screw with ratchet wrench until pawl at top of upper wheel bracket engages notch to stop further tensioning. Do not force."

marveltension.jpg - Google Диск

I don't really understand what is supposed to happen, because nothing really does happen. The drum on top of the screw and the pawl don't actually touch each other. Am I missing a piece?

 

[Big B]

It's been a while since I changed the blade on my Marvel Model 8 but as I recall the top wheel is spring tensioned and you just tighten it until it stops. Someone please correct me if I'm wrong.

 

[alphonso]

I vaguely remember oiling some part of the tensioning device. Sometimes I crank a lot more than I think is needed, but eventually it gets to the stop.

 

[Whetstone]

The pawl is the little cylinder to the left. You should just turn the tendon shaft until it drops down and stops moving.


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[alphonso]

That jogged my failing memory. The pawl was stuck. A little Micro Mist freed it up.