5. Remove the filling plug (412).
TM083647
6. Pressurize the seal housing with 0.6 bar air pressure through the open filling plug hole. Keep the pressure on 0.6 bar for 5 minutes.
The natural moisture of compressed air may trigger the moisture switch inside the motor top compartment. Use N
2
or dried air for
the pressure test.
7. Check the pressure loss after 5 minutes. It must be less than 0.1 bar.
8. After the leakage test, fill the seal housing with motor liquid according to the image below. The seal housing is full when the liquid level
reaches the edge of the hole (1).
TM083648
9. Insert and tighten the filling plug (412) with the required torque.
10. Insert and tighten the sealing plug (193) with the requried torque.
94
English (GB)
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