Doppelmayr - Weekly Inspection
This procedure outlines the weekly inspection tasks for the Eastwind Quad including brake testing, hydraulic cycling, APU checks, switch function verification, valve monitoring, pad wear measurement, battery water level checks, guide sheave maintenance, grip migration checks, line equipment inspection, and bull wheel liner gap verification. Document any repairs or corrections performed in a MX WO with accurate time reporting.
Liberty Mountain - Lifts
01/09/2026
Doppelmayr - Weekly Inspection
This procedure outlines the weekly inspection tasks for the Eastwind Quad including brake testing, hydraulic cycling, APU checks, switch function verification, valve monitoring, pad wear measurement, battery water level checks, guide sheave maintenance, grip migration checks, line equipment inspection, and bull wheel liner gap verification. Document any repairs or corrections performed in a MX WO with accurate time reporting.
Torque Test Brakes
Follow brake torque test procedure
Record results of the torque test and any adjustments made
Stepped service Brake torque value (%)
Service Brake torque value (%)
Emergency Brake torque value (%)
Rollback Brake torque value (%)
Were adjustments made to the brakes?
Retest brakes if adjustments were made.
Date Completed
EE Initials & signature
Click here to sign
Cycle Hydraulics
Fully retract cylinder then re-tension the lift
Carriage position:
Meter name
Unit
Exposed ram length:
Date Completed
EE initials & signature
Click here to sign
APU Check
Couple and run the APU for at least 1/2 a lap. Ensure fuel and all fluids are topped off and the APU is ready for operation. Note any concerns, issues, or repairs performed.
APU hours
Meter name
Unit
APU coolant temperature
Oil pressure
Fuel level (%)
Date Completed
EE initials & signature
Click here to sign
Switch Function Test
Cycle and verify the function of switches. Document any corrections or issues in MX work Order.
Check switch functionality
Date Completed
EE initials & signature
Click here to sign
Stopping Distance
Measure stopping distances on fast in feet (electronic or physical)
Rope Speed
Service Brake
Meter name
Unit
Emergency Brake
Meter name
Unit
Date Completed
EE initials & signature
Click here to sign
Battery Water Level Check
If low, top off and document.
Battery
Date Completed
EE initials & signature
Click here to sign
Guide Sheave Maintenance
Grease Guide Sheave and Check Alignment/Adjustment
Grease guide sheave
Check alignment/adjustment
if the answer is "oneOf [FLAG,FAIL]"
Corrective action taken
Date Completed
EE initials & signature
Click here to sign
Grip Migration Check
Grip migration over 300mm (1') in 500hrs of operation is considered excessive. NO GRIPS ON TUCKS
Lift Hour at time of migration check
Meter name
Unit
Distance grip has migrated from paint mark (ft.)
Are the grips clear of tucks?
Date Completed
EE initials & signature
Click here to sign
Line Equipment Inspection
Ride lift and visually inspect line equipment. Document and address any necessary corrective action.
Lift line equipment
if the answer is "oneOf [FLAG,FAIL]"
Corrective action/adjustments
Date Completed
EE initials & signature
Click here to sign
Bullwheel Liner Gap Check
Confirm bull wheel liner end gap is between 0.5-2" and no greater than 6"
Is the gap within the listed specification
if the answer is "oneOf [No]"
Install 3’ plug if gap is greater than 6 inches.
Measured tolerance and corrective action performed
Date Completed
EE initials & signature
Click here to sign
Weekly inspection notes
Date (MM/DD/YY) - EE Initials - "corrective action/notes related to weekly inspection"
Supporting Content
Add or drag pictures
Source: Liberty Mountain - Lifts (Community Member)