BUSCH DUPLEX - Cleaning the Air Heat Exchanger

8 | Maintenance
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8.5 Cleaning the air heat exchanger
Proceed as follows:
• Drain the oil from the vacuum pump before cleaning the air heat exchanger (see
chap. 8.3)
Fig. 16 : Cleaning the air heat exchanger
2 x o-rings, part no.:
see “Maintenance
kit”
13 mm wrench
Max. permissible
torque: 20
Nm