EXAMINATION CHECKLIST: ELECTRIC OVERHEAD CRANE
CHECK END CARRIAGE ASSEMBLIES AND STRUCTURES
Alignment, corrosion, cracks, damage, wear, security of attachment points and sub-structures, fasteners, welds, etc.
CHECK LONG TRAVEL BRAKES, DRIVES, WHEELS, BEARINGS & AXLES
Alignment, corrosion, cracks, damage, distortion, wear, adequacy of lubrication, mode of operation, full or partial seizure of rotating components, etc.
CHECK BRIDGE BEAMS
Alignment, deflection, corrosion, cracks, damage, distortion, wear, security of attachment points and sub-structures, fasteners, welds, etc.
CHECK GRAB ASSEMBLY & STRUCTURE
Alignment, corrosion, cracks, damage, distortion, wear, security of attachment points and sub-structures.
CHECK CROSS TRAVEL BRAKES, DRIVES, WHEELS & BEARINGS.
Alignment, corrosion, cracks, damage, distortion, wear, adequacy of lubrication, mode of operation, full or partial seizure of rotating components, etc.
CHECK HOIST MECHANISM including motor, brake, couplings, gearbox, drum and bearings.
Alignment, corrosion, cracks, distortion, wear, lubrication, mode of operation, full or partial seizure of rotating components, lifting media connection.
CHECK LIFTING MEDIA
Corrosion, cracks, damage, distortion, wear, kinks, broken wires, lubrication, fit, reeving, specification and condition, full or partial seizure of rotating components, safety latches, security of attachment points and sub-structures, fasteners, welds, etc.
CHECK ELECTRICAL WIRING & CONTROL PANEL
Functionality, mode of operation, insulation, continuity, security of connections.
CHECK OPERATOR SEATING, CAB & OPERATOR CONTROLS
Obstructions, tidiness, functionality and mode of operation, continuity, electrical connection, cracks, damage, distortion.
CHECK LIMIT SWITCHES
Functionality, mode of operation and calibration.