Doppelmayr CTEC - Weekly Inspection
This procedure outlines the weekly inspection and maintenance tasks for the Dipsy Quad. It includes steps for performing torque tests on brakes, cycling hydraulics, checking switch functions, verifying stopping distances, checking battery water levels, greasing guide sheaves, inspecting drop dogs, checking grip migration, riding the lift for visual inspection, and confirming bull wheel liner end gaps. Each section requires a signature and date to confirm completion.
Liberty Mountain - Lifts
01/09/2026
Doppelmayr CTEC - Weekly Inspection
This procedure outlines the weekly inspection and maintenance tasks for the Dipsy Quad. It includes steps for performing torque tests on brakes, cycling hydraulics, checking switch functions, verifying stopping distances, checking battery water levels, greasing guide sheaves, inspecting drop dogs, checking grip migration, riding the lift for visual inspection, and confirming bull wheel liner end gaps. Each section requires a signature and date to confirm completion.
Lift Hours
Meter name
Unit
Torque Test Brakes - 108 ftlbs.
Install the torque test fixture and verify brakes hold in both directions. REMOVE THE FIXTURE before returning lift to service. Note any necessary adjustments or corrections made.
Service Brake
Emergency Brake
Backstop
EE initials & signature
Click here to sign
Date completed
Cycle Hydraulics
Fully retract cylinder then re-tension the lift - note measurements
Carriage Position
Meter name
Unit
Exposed Ram Length
EE initials & signature
Click here to sign
Date completed
Switch Function Test
Verify switch functionality
Cycle and verify the function of switches. Document any corrections or issues in MX work Order.
EE initials & signature
Click here to sign
Date completed
Stopping Distance
Measure stopping distances on fast in feet (electronic displayed on drive or physical)
Rope Speed
Service Brake
Meter name
Unit
Emergency Brake
Meter name
Unit
EE initials & signature
Click here to sign
Date completed
Battery Water Level Check
If low, top off and document.
Battery
EE initials & signature
Click here to sign
Date completed
Guide Sheave Maintenance
Grease guide sheave and check alignment. If sheave is out of alignment - adjust and document.
Grease Guide Sheave
Check Alignment/Adjustment
if the answer is "oneOf [FLAG,FAIL]"
Corrective action taken
EE initials & signature
Click here to sign
Date completed
Drop Dogs Inspection
Actuate drop dogs - Lube with Silicone Spray as needed
Inspect Wand Wear
Replace and document replacement if worn - charge part to WO.
if the answer is "oneOf [FLAG,FAIL]"
Notes/Corrective action taken
Do the drop dogs function as designed?
if the answer is "oneOf [No]"
Notes/corrective action taken
EE initials & signature
Click here to sign
Date completed
Bullwheel Liner Gap Check
Confirm bull wheel liner end gap is between 0.5-2" and no greater than 6"
Bull wheel Liner End Gap
if the answer is "oneOf [FLAG,FAIL]"
Install 3’ plug if gap is greater than 6 inches.
if the answer is "oneOf [PASS]"
Measured tolerance and corrective action performed
EE initials & signature
Click here to sign
Date completed
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 (%)
EE initials & signature
Click here to sign
Date completed
Grip Migration Check
NO GRIPS ON TUCKS
Distance grip has migrated from paint mark (ft.)
Are the grips clear of tucks
EE initials & signature
Click here to sign
Date completed
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
EE initials & signature
Click here to sign
Date completed
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)