Operation Of Friction Brake - Barbco TRIBOR Series Operation Manual

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OPERATION OF THE FRICTION BRAKE:
The TriBor drill is equipped with a friction break. The brake is designed to drag against the track
rail to help prevent a runaway condition as the assembly can be set up on a positive or negative
grade up to 12%.
CAUTION! EQUIPMENT HAZARD!
It may or may not stop the movement of the drill unit when set up on a grade. Turn the master
thrust brake ON before walking away from the unit. See- "Turning ON/ OFF the Master Brake"
The brake is controlled thru programing. ON and OFF cycles are dependent on the thrust
mode selected.
1- Rack and Pinion- The friction brake is ON when the thrust paddle is in the neutral
position only. Automatically turn OFF when the thrust paddle is use to move the drill.
2- Cylinder Thrust- The friction brake is ON when the Push Bar Dogs are completely
retracted into the Push Bar. Automatically turned OFF when the dogs are extended into
the track rail.
Adjusting the break pressure-
1- Put the drill unit in cylinder thrust mode. See "Thrust Control"
2- Retract the dogs into the Push Bar. Friction brake will come ON and the set pressure
will be displayed on the hydraulic gauge.
3- Turn the pressure adjustment knob clockwise to increase the pressure. Turn the knob
counter-clockwise to decrease the pressure.
NOTE- You may need to have the brake OFF to make an adjustment.
34
The friction brake is not to be used as a safety brake.
Operation

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This manual is also suitable for:

Tribor 48Tribor 36

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