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5. Maintenance and inspection
WARNING
Danger of failure and bodily injury
Conduct periodical maintenance and inspection.
If not, it can cause insufficient performance, failure of vacuum pump, and bodily injury.
Conduct periodical
maintenance and
inspection
Danger of burns
Conduct maintenance and inspection only after vacuum pump becomes cool
enough.
Maintenance and inspection soon after vacuum pump stops can cause burn injury.
Be careful about
high temperature
Danger of restart
Be sure to switch off electric source before maintenance or inspection.
Single-phase motor has a thermal protector.
Vacuum pump restarts become cool without warning after vacuum pump.
With a thermal
protector
Danger of electric shock
Be sure to conduct maintenance and inspection after you turn off electric source.
If not, it can cause bodily injury from electric shock or turning object.
Turn off electric
source
Danger of accident, failure and shorter operating lifetime
Ask specialist to perform repairs.
Defective repairs can cause accident, failure or shorter operating lifetime.
Ask specialist to
perform repairs
5.1 Daily maintenance and inspection
Conduct daily the following maintenance and inspection procedures.
Items Contents Measures
Vacuum pump itself
Abnormal sound
Ask specialist to repair.
Abnormal vibration
Ask specialist to repair.
Abnormal temperature
Ask specialist to repair.
Cooling fins are dirty or clogged
Blowing air, cleaning
Air-muffler Dirty,
clogged
Replace
Exhaust valve
Dirty, clogged
Blowing air, clean
Electric source cable
Deteriorated
Replace
Upon start-up or during operation of DISL-102, it is normal that grease marks may be
found at the noted area.
Inlet
Outlet
Possible grease marks
Bearing