Drop weight tension arms.... should they screw in or stay loose?

paulmaben

Rookie
I just bought a used Hawk 80 Eagnas for $50 and it is in great shape except I'm not sure about one thing.
The arm that goes into the drum does not screw in. I look to see if there was a thread at the end of the arm and there is not. When the arm is moved below horizontal the arm with the weight does not pop out, so I think I'll be able to use the machine. But is this normal? Does the arm screw in with other manufacturers models?

Curious,

Paul
 
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