Toshiba HV6FS Instruction Manual

MAINTENANCE Page 27RECOMMENDED INSPECTION ANDMAINTENANCE TYPESNOTE: Refer to the SAFETY section of thismanual for important information.A. Acceptance InspectionThis inspection confirms that the circuitbreaker unit is complete, correct as specified,and undamaged from shipment. Theprocedure for this inspection is outlined in theRECEIVING, INSPECTION AND HANDLINGsection of this manual.B. Patrol InspectionInspection is made of the condition of thecircuit breaker while it is energized. Checkthat no unusual sounds or smells existexternally.Inspection Frequency: Once every 6 monthsC. Periodic InspectionInspection is performed with the circuitbreaker de-energized. The lubrication ofsliding and rotating parts is checked and themechanism is lubricated if needed.Inspection Frequency: Once every 1-3 yearsor every 3000 operations (normal). Onceevery 6 years (detailed).Refer to Table 2 for the schedule of PeriodicInspections.D. Unscheduled InspectionInspections are implemented as required.Inspection Frequency: As neededNOTE: The inspection frequency and pointsto be inspected may vary from theabove recommendations dependingon the status of use, frequency ofswitching, amount of currentinterrupted and other factors.Table 1 Tightening TorquesScrewNominalDia.Tightening TorqueM4 15-20 kgf-cm13-17 in-lbM5 30-40 kgf-cm26-34 in-lbM6 50-65 kgf-cm43-56 in-lbM8 120-150 kgf-cm9-11 ft-lbM10 250-315 kgf-cm18-23 ft-lbM12 450-565 kgf-cm32-41 ft-lbPhone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com