Fan Location; Air Inlet Fan (V1) Replacement; Exhaust Fan (V2) Replacement - Pfeiffer Vacuum ASM 390 Additional Installation, Operation And Maintenance Instructions

Service - Maintenance
5.7.1 Fan location
V2
V1 Air inlet fan
5.7.2 Air inlet fan (V1) replacement
Prerequisite condition(s) for the air inlet fan replacement
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
Air inlet fan disassembly
4
1 Harness
2 Bulkhead adapter
1. Disconnect the harness from the fan (V1).
2. Pass the cable through the bulkhead adapter
3. Remove the fan.
Air inlet fan reassembly
1. Position the new fan, ensuring it is the correct way around.
2. Pass the fan harness through the bulkhead adapter.
3. Clip on the fan.
4. Connect the harness.
5.7.3 Exhaust fan (V2) replacement
Prerequisite condition(s) for the exhaust fan replacement
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
20/34
V2
(see chapter "Front cover disassembly/reassembly").
2
1
3
3
3 2 1
3
– Item 4 in the illustration indicates the air flow direction.
(see chapter "Front cover disassembly/reassembly").
V1
Air exhaust fan
Fan (V1)
3
3