Operation Manual / Power2 650-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.3 Removing the filter silencer and in-
jection ring
© Copyright 2020 ABB. All rights reserved.
HZTL4065_EN
Rev.C
March 2020
4.3
Removing the filter silencer and injection ring
u
Dismantle insulation as far as necessary.
u
If present: Disconnect supply line for compressor cleaning from filter silencer.
Fig. 4: Removing the filter silencer and injection ring
1. Fit the swivel lifting eye (90231) to the silencer (81000). Attach the lifting gear to the
swivel lifting eye (90231) and loop through the eyelets at the rear of the filter silen-
cer (81000).
2. Loosen nuts (72004) and remove with washers (72003).
3. Remove and put down filter silencer.
4. Loosen and remove nuts (77022). Remove sleeves (77023).
5. Secure injection ring (73000) for air to lifting gear with swivel lifting eye (90231).
6. Remove and put down injection ring (73000) for air.
7. Secure injection ring (73000) for blowby to lifting gear with swivel lifting eye (90231).
8. Remove and put down injection ring (73000) for blowby.
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