A - Detach Annual Electrical
This procedure outlines the steps for conducting an annual electrical maintenance inspection, including pre-maintenance preparation, personnel and hours recording, and detailed inspections of various components such as AC systems, batteries, terminals, lift calibration, motors, grip force monitoring, smoke alarms, and tower circuits.
Lift Maintenance Sandbox - Vail Resorts
10/13/2025
A - Detach Annual Electrical
This procedure outlines the steps for conducting an annual electrical maintenance inspection, including pre-maintenance preparation, personnel and hours recording, and detailed inspections of various components such as AC systems, batteries, terminals, lift calibration, motors, grip force monitoring, smoke alarms, and tower circuits.
Pre-Maintenance Preparation
Personnel and Hours Recording
Record total hours of all personnel working on this task (include travel, setup, cleanup)
Technician(s) hours
Helper(s) hours
Operator(s) hours
AC Inspection
Verify all GFCI outlets are functioning
Verify all heaters are functioning
Inspect all receptacles, wall switches, cover plates, and lighting
Battery Maintenance
Clean, inspect and load test all batteries
Verify chargers are functioning
Terminal Maintenance
Verify all wiring, switches, and cleanliness of all panels
Inspect personnel safeties – lanyards, photo eyes, buttons etc.
Lift Calibration
Verify Drive current output, drive torque proving, drive safety setpoints, acceleration/deceleration setpoints
Verify drive speed and safeties. 110% and 115% overspeed test
Verify Auxiliary and Evacuation drive speeds and safeties
Lift safety and stop string calibration
Verify operation and annunciation of all stop and safety switches
Verify operation and functioning of Anti-Collision system
Verify correct operation of tensioning system safeties
Motor/Prime Mover Inspection
Meg Motor. Record reading
Meter name
Unit
Measure and record brush length
Clean motor/filters
Lubricate motor
Grip Force Monitoring
Verify operation and calibration of grip force monitoring system
Smoke Alarm(s)
Inspect smoke alarms
Change batteries if necessary
Test smoke alarms
Replace smoke alarms if not functional
Tower Circuit/Communication Line Inspection
Maintenance of Towers. Prox height, Prox alignment, redundant derail device inspection
Derail circuit test. Verify function of derail circuit 1
Comm Line inspection (Anchors, Boots)
Source: Lift Maintenance Sandbox - Vail Resorts (Community Member)