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If the oil is polluted or if some water is in the oil, clean the pump by
letting it run with a suitable quantity of oil (up to the minimum level
shown on the tank) at maximum vacuum level for at least 5 minutes.
Drain the oil again.
Fill in the oil following these steps (see Figure 16):
1.
2.
3.
Exhaust filters replacement
Very dirty exhaust filters may cause a considerable pump
temperature increase and in extreme cases oil lubricant spontaneous
ignition.
Maximum allowed pressure in the tank is 0.6 bar measured at the
maximum capacity (when the pump is working with the inlet open to
atmospheric pressure). If a pressure gauge (optional) has been fitted
to the oil filling hole (Figure 14) check the exhaust filter blockage
with the pump warm.
MS120 Single Stage Rotary Vane Pumps User Manual/87-900-150-01 (C.00)
Unscrew the oil charge plug (E).
Screw the oil nozzle cap (A2) on the oil bottle (A1).
Proceed with the new oil filling inserting the oil nozzle cap in the
oil charge hole (see "Installation" and "Lubricants").
Figure 16
Instructions for Use
Maintenance
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