Simplicity Baron Operator's Manual page 30

A
B
C
Brake pedal
Depress brake pedal (B) to slow or stop tractor motion. In the
event you need to stop quickly, fully depressing the brake pedal
will stop the tractor.
Parking brake
The parking brake mechanism locks the tractor brake and
prevents the tractor from rolling or being driven.
To set parking brake: release the ground speed controls (C),
then fully depress brake pedal (B) and pull knob (A) up.
To release parking brake: depress brake pedal (B) and push
knob (A) down.
B-8