User Guide

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Interval
Monthly
Daily
Semi-yearly
Inspection Item
Yearly
Once every
2 to 5 years
Measuring the operating current To be within the rated current
Measuring the insulation resistance Insulation resistance reference value = 1MΩ minimum
[NOTE] The motor must be inspected if the insulation resistance is considerably lower
than the last inspection.
Inspecting oil
[NOTE] The inspection and replacement of the mechanical seal requires specialized
equipment. To have this operation performed, contact the dealer where this
equipment was purchased, or the Tsurumi sales office in your area.
Overhaul The pump must be overhauled even if the pump appears normal during operation.
Especially, the pump may need to be overhauled earlier if it is used continuously.
[NOTE] To overhaul the pump, contact the dealer where it was purchased, or the
Tsurumi sales office in your area.
1,000 hours or 6 months, whichever comes first.
Changing oil
Changing the mechanical seal
2,000 hours or 12 months, whichever comes first.
Power supply voltage variation
= within ± 10% of the rated voltage
Measuring the power voltage
Inspection of liffting rope Replace if damage, corrosion, or wear has occurred to the rope.
Remove if foreign object is attaching to it.