Filter Maintenance; Vacuum Block Air Filter Replacement - Pfeiffer Vacuum ASM 390 Additional Installation, Operation And Maintenance Instructions

Exhaust fan disassembly
3
3
1 Harness
2 V2 Fan
1. Disconnect the harness from the fan (V2).
2. Remove the fan.
Exhaust fan reassembly
1. Position the new fan, ensuring it is the correct way around.
2. Place a protective grill on each side of the fan.
3. Attach the fan.
4. Connect the fan harness, respecting the (+) and (-) polarities.
5.8 Filter maintenance
5.8.1 Vacuum block air filter replacement
Prerequisite(s) for the vacuum block air filter disassembly
1. Power off the leak detector (see chapter "Powering Off").
2. Remove the work plan (see chapter "Work plan disassembly/reassembly") and the front cover
Vacuum block air filter disassembly
1 Filter
2 Connector
1. Loosen the connector to free the tube.
2. Remove the tube.
3. Unscrew the connector in the filter.
4. Unscrew the filter in the vacuum block.
3
4
V1
3 Protection grid
– Item 4 in the illustration indicates the air flow direction.
(see chapter "Front cover disassembly/reassembly").
3 Polyurethane tube
1
2
2
3
3
3 2
Service - Maintenance
1
1
2
1
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