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M - Brake Torque Test and Inspection - Mech - All Keystone

This procedure outlines the steps for conducting a monthly brake torque test and inspection for mechanical brakes, focusing on brake shoe condition, system operation, pressure readings, hydraulic levels, torque test, sensor tests, and stopping distance verification. Testing and inspections must not be performed on a loaded lift.
Keystone - Lifts
11/06/2025

M - Brake Torque Test and Inspection - Mech - All Keystone

This procedure outlines the steps for conducting a monthly brake torque test and inspection for mechanical brakes, focusing on brake shoe condition, system operation, pressure readings, hydraulic levels, torque test, sensor tests, and stopping distance verification. Testing and inspections must not be performed on a loaded lift.

    Service Brake Inspection

    Check condition of service brake shoes.

    • Pass
    • Flag
    • Fail

    Assure free open/close movement of service brake.

    • Pass
    • Flag
    • Fail

    Check operation of service brake open/close switch and brake wear switch.

    • Pass
    • Flag
    • Fail

    Check alignment of shoes to high-speed disk and pad gap.

    • Pass
    • Flag
    • Fail

    Inspect and clean high-speed disk braking surface.

    • Pass
    • Flag
    • Fail

    Torque Test Service Brake

    Torque test service brakes per stamped procedure.

    Enter armature current value for Service Brake 1.

    Confirm Service Brake 1 recorded value is within specified range.

    • Yes
    • No
    • N / A

    Enter armature current value for Service Brake 2 (if applicable.)

    Confirm Service Brake 1 recorded value is within specified range.

    • Yes
    • No
    • N / A

    Bullwheel Brake Inspection

    Check Bullwheel brake shoe wear.

    • Pass
    • Flag
    • Fail

    Inspect and clean bullwheel braking flange.

    • Pass
    • Flag
    • Fail

    Check alignment of shoes to braking surface and pad gap.

    • Pass
    • Flag
    • Fail

    Torque Test Bullwheel Brakes

    Torque test emergency and rollback brakes per stamped procedure.

    Enter armature current value for Emergency Brakes.

    Confirm Emergency Brake recorded value is within specified range.

    • Yes
    • No
    • N / A

    Enter armature current value for Rollback Brakes.

    Confirm Rollback Brakes recorded value is within specified range.

    • Yes
    • No
    • N / A

    Hydraulic and Fluid Levels

    Inspect Hydraulic system.

    • Pass
    • Flag
    • Fail

    Check hydraulic fluid levels.

    • Pass
    • Flag
    • Fail

    Drive Train Backstop

    Does this lift have a Drive Train Backstop?

    • Yes
    • No
    • N / A
    if the answer is "oneOf [Yes]"
Source: Keystone - Lifts (Community Member)

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