Battery & Charger System
- Log battery condition after full charge and under load
- Inspect electrolyte level, cable integrity, and contactor cleanliness
- Check charger output curve, voltage drop test under load
Traction Motor & Drive
- Inspect drive unit casing, vibration, and thermal buildup
- Run diagnostic scan on motor controller firmware version
- Measure power delivery during incline climb (ramp test)
Hydraulic System
- Replace main filter, inspect auxiliary cylinder performance
- Torque test hoses, fittings, and test pressure relief valve
- Compare lift and tilt speeds to commissioning baseline
Structural Frame & Safety Integrity
- Inspect chassis welds, mast rollers, anchor bolts, backrest brackets
- Check overhead guard, belt tension system, seat sensor accuracy
- Log operator presence and interlock test results
Control Panel & Logic Feedback
- Cycle check dash indicators, diagnostics, and instrument accuracy
- Reset faults and verify SAS (System of Active Stability) calibration
- Perform tilt drift test with digital timer/measurement rig
Documentation & Audit Reporting
- Download fault logs from last 12 months
- Log maintenance hours, inspection intervals, and downtime risk flags
- Export signed checklist for OSHA record archive