Technical Description
Scheduled Maintenance Cards
5
Dual Stage Rotary Vane Pumps User Manual/ 87-900-937-01(L) 111/140
1. Drain off all the oil from the pump.
NOTE
For a description of how to drain off the oil, see the Unscheduled Maintenance
Card No. 102.
2. Disconnect the discharge flange from its piping.
3. Remove the nuts (3) and remove the pump casing (75).
4. Remove the securing screw (47) holding the splash guard (49)
and remove it.
5. Remove the two screws (47) on the valve press-bracket (46) and
remove the bracket (46), the springs (50) and the shutters (51).
6. Reassemble by proceeding in the inverse order.
NOTE
When reassembling, replace all the gaskets stripped down.
CAUTION!
When reassembly is complete, proceed to fill the pump with oil following the
instructions of Unscheduled Maintenance Card No. 102.
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