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Operation Manual / Power2 850-M / 4 Product description
6 Periodic maintenance / 6.4 Cleaning the filter silencer
Cleaning the absorption segments
Loosen and remove lock nuts (81273).
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Loosen and remove screws (81272) to the connecting rods (81269).
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Remove connecting rods (81269).
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Remove and clean cover grid (81266).
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Pull out insert units (E), bend up sheet-metal coverings (81137), then take out absorption
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segments (81136).
Clean the absorption segments (81136).
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When cleaning, note that the absorption segments (81136) must only be cleaned lightly
with pressurized air, with a soft brush or a moist cleaning cloth.
Have any heavily contaminated absorption segments and filter rings as well as damaged
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connecting rods replaced by an ABB Turbocharging Service Station.
Fitting the filter silencer
Assemble the insert units (E) by inserting the absorption segments (81136) into the
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sheet-metal coverings (81137).
Bend the sheet-metal coverings (81137) back into the original shape.
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Insert the insert units (E) into the slotted guides in the filter silencer body (81135).
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Place the cover grids (81266) evenly and in the correct position.
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Push the connecting rods (81269) through the lugs of the cover grids (81266).
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CAUTION
Penetration of dirt and foreign particles
Any penetration of dirt and foreign particles into the compressor can dam-
age it.
Fit the connecting rods (81269) correctly in the slots on the filter silencer
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body (81135).
It must not be possible to rotate or move the cover grid (81266) after as-
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sembly.
Check the position and alignment of the connecting rods during and after
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assembly.
© Copyright 2019 ABB. All rights reserved.
HZTL4061_EN
Rev.B
June 2019
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