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Note:
Interval
Monthly
Daily
Semi-yearly
Inspection Item
Yearly
Once every
2 to 5 years
Measuring the operating current
Measuring the insulation resistance
[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
[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.
Inspection of lifting rope or chain Replace if damage, corrosion, or wear has occurred to the
rope or the chain. Remove if foreign object is attaching to it.
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
Insulation resistance reference value = 1M
Ω
minimum
To be below the rated current
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.
Pump inspection
A noticeable drop in performance may indicate wear in the impeller,etc., or else
clogging of the strainer stand, etc. Remove the clogged debris, and replace any
worn parts.
