Signs for saturation of the exhaust filter:
● higher current consumption of the motor
● increased emission of operating fluid mist at the gas outlet
● increased pressure in the operating fluid separator (pressure gage display in the red area).
7.4.1 Dismantling the exhaust filters
Prerequisites
● Vacuum pump switched off
● Vacuum pump is vented to atmospheric pressure on the suction side
● Vacuum pump cooled
Required tools
● Socket key,
WAF 10
2
3
1
Fig. 21:
Dismantling the exhaust filters
1 Operating fluid separator
3
Exhaust filter
2 Screw (4x)
Procedure
1. Remove the exhaust line.
2. Remove the 4 screws and remove the exhaust connection.
3. Pull the exhaust filter completely out of the operating fluid separator.
4. Replace the exhaust filter.
7.4.2 Mounting the exhaust filters
Prerequisites
● Vacuum pump switched off
● Vacuum pump vented to atmospheric pressure
● Vacuum pump cooled
● Exhaust filter disassembled
Required consumable material
● Maintenance kit – Maintenance level 1
Required tools
● Socket key,
WAF 10
● Calibrated torque wrench (tightening factor ≤ 2.5)
Maintenance
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