Instructions for Use
Maintenance
4
Dual Stage Rotary Vane Pumps User Manual/ 87-900-937-01(L) 47/140
WARNING!
Always disconnect the power supply to the pump before starting
maintenance work. Place a special warning signs over the power supply
breaker switch: MACHINE UNDERGOING MAINTENANCE - DO NOT POWER
ON. When finished, remove the safety warning.
WARNING!
Do not change the oil immediately after stopping the machine as the oil
temperature may still be high.
CAUTION!
When replacing a part, take great care. Pay special attention to the three-phase
motor, where an inversion of polarity causes inversion of the direction of
rotation of the pump with consequent possibilities of mechanical damage.
NOTE
Before returning the pump to the constructor for repairs the "Health and Safety"
sheet attached to this instruction manual must be filled-in and sent to the local
sales office. A copy of the sheet must be inserted in the pump package before
shipping.
If a pump is to be scrapped, it must be disposed of in accordance
with the specific national standards.
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