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9Maintenance/Repair..............................................................................................................................22
9.1 Maintenance regulations.................................................................................................................. 22
9.2 Maintenance intervals table............................................................................................................. 24
9.3 Cleaning........................................................................................................................................... 24
9.4 Disassembly of the suction turbine.................................................................................................. 25
9.4.1 Changing the carbon brushes...................................................................................................... 25
9.5 Installation instructions for Valvo ring core on AC drive units ......................................................... 26
9.6 Disassembly of the bag-type filter ................................................................................................... 27
9.7 Changing the filter cloth for the bag-type filter................................................................................. 28
9.7.1 Work steps for pocket filter change ............................................................................................. 29
9.7.2 Circuit diagram for W1G / W1E / W1E-N / W1E-T, single-motor version.................................. 31
9.7.3 Circuit diagram for W2G / W2G-N / W2G-T / W2E, twin-motor version..................................... 31
9.8 Warnings on the suction device....................................................................................................... 32
9.8.1 Warning sign for devices in class "L"........................................................................................... 32
9.8.2 Warning sign for devices in class "M".......................................................................................... 32
9.8.3 Marking: Vacuum cleaner............................................................................................................ 32
9.8.4 Type sign ..................................................................................................................................... 32
9.9 Measurement of the A-weighted sound pressure level ................................................................... 33
9.10 Wear parts list.................................................................................................................................. 34
10 Decommissioning, storage .................................................................................................................35
11 Disposal.................................................................................................................................................36
12 Spare Parts List ....................................................................................................................................37
12.1 Industrial Extractor Type RI 311...................................................................................................... 37
12.2 Industrial Extractor Type RI 311...................................................................................................... 37
12.3 Exploded Drive unit W2G / W2E (3400228-X-ZB)........................................................................... 38
12.3.1 Parts list Drive unit W2G / W2E (3400228-X-ZB)................................................................... 39
12.4 Exploded fan EKO 86/2.................................................................................................................. 40
12.4.1 Parts list fan EKO 86/2 ............................................................................................................ 40
12.5 Exploded fan EKO 87/3.................................................................................................................. 41
12.5.1 Parts list fan EKO 87/3 ............................................................................................................ 41
12.6 Exploded two-stage switch with cable set W2G / W2E / W3G........................................................ 42
12.7 Exploded two-stage switch with cable set W2G / W2E / W3G........................................................ 42
12.8 Collectoin Container Type RI 311 (2201058).................................................................................. 43
12.8.1 Spare Parts List Collection Container Type RI 311 (2201058) ............................................... 43
12.9 Spare parts list/drawing filter pocket filter 1.75m² cat."L" as or "M" as, (2350201/2350111).......... 44
12.10 Spare parts list/drawing filter pocket filter 1.75m² cat."L" as or "M" as, (2350201/2350111)...... 44
12.11 Spare parts list/drawing hand shaker for pocket filter (2380188).............................................. 45
12.12 Spare parts list/drawing hand shaker for pocket filter (2380188).............................................. 45
12.13 Spacer rake for pocket filter 1.75/3.2/5.2m², (2381000), (2381001), (2381002)......................... 46
12.14 Spacer rake for pocket filter 1.75/3.2/5.2m², (2381000), (2381001), (2381002)......................... 46
12.15 Construction kit hand emptying flap (3240194)........................................................................... 47
12.16 Construction kit hand emptying flap (3240194)........................................................................... 47
12.17 Spare Parts List Suction hose DN 40, all Types (2600484-Z).................................................... 48
12.17.1 Spare Parts List Suction hose DN 40, all Types (2600484-Z)................................................ 48
12.18 Spare Parts List Suction hose DN 50, all Types (2600398-Z).................................................... 49
12.18.1 Spare Parts List Suction hose DN 50, all Types (2600398-Z)................................................ 49
12.18.2 Spare Parts List Suction hose DN 70, all Types...................................................................... 50