Technical Description
Scheduled Maintenance Cards
5
Dual Stage Rotary Vane Pumps User Manual/ 87-900-937-01(L) 123/140
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. Remove the worn out oil shaft seal (21) from the pump support
(34) using a screwdriver for leverage and taking care not to
scratch the seat.
NOTE
For a description of how to separate the functional block from the support, see
the Unscheduled Maintenance Card No. 109.
3. Remove the worn out oil shaft seal (21) from the pump support
(34) using a screwdriver for leverage and taking care not to
scratch the seat.
4. Take the anti-wear bushing (35) off the shaft and take out the OR
Gasket (36).
NOTE
For assembly of the new oil shaft seal, a special tool is needed.
Figure 35
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