General • Inspections

M - Brake Torque Test - Mech - Doppelmayr UNIG

This procedure outlines the steps for conducting a monthly brake torque test on the Doppelmayr system, ensuring all personnel are informed, the system is set up correctly, and the brakes are tested and adjusted as necessary.

Global Lifts - Vail Resorts

11/05/2025

M - Brake Torque Test - Mech - Doppelmayr UNIG

Torque Test Setup

Access the Torque Test screen through the Service Menu

Set the key switch 'Test Mode' to 'Off'?

Testing Procedure

Clear all faults, start lift and set the speed to 1.0 m/s (200 fpm)

Test each brake by pressing the respective test button on the screen

Record torque for Service Brakes (stepped)

Meter name

Unit

Record operating pressure for Service Brakes (stepped)

Meter name

Unit

Record torque for Service Brakes (closed)

Meter name

Unit

Record operating pressure for Service Brakes (closed)

Meter name

Unit

Record torque for Emergency Brakes

Meter name

Unit

Record operating pressure for Emergency Brakes

Meter name

Unit

Record torque for Rollback Brake

Meter name

Unit

Record operating pressure for Rollback Brake

Meter name

Unit

Adjustment and Verification

Adjust brakes as needed until the proper torque is measured

Is the test result between 95% and 110% of the test value? Refer to manual or engineer stamped brake test procedure.

Yes
No
N / A

Source: Global Lifts - Vail Resorts (Community Member)