ABB TPL76-C Series Operation Manual page 49

Operation Manual / TPL76-C
5 Maintenance / 5.2 Cleaning the filter silencer
If provided
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Removing and cleaning filter silencer
Remove filter strip (81265).
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Rinse filter strip (81265) using water with detergent additive or, if very
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dirty, soak it and squeeze out carefully. Rinse it in cold water. Avoid
rough treatment (not a jet of water).
NOTICE
How dirty the filter strip (81265) is, depends on how clean the drawn-in
air is. Clean filter strip every 500 hours of service or more frequently if
necessary.
Loosen and remove lock nuts (81273).
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Loosen and remove screws (81272) for connecting rods (81269).
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Remove connecting rods (81269).
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Carefully remove cover grids (81266).
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Pull out insert units (E), bend open sheet metal coverings (81137) and
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then remove absorption segments (81136).
Clean absorption segments (81136).
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When cleaning, make sure that the absorption segments (81136) are
only cleaned lightly with pressurized air, a soft brush or with moist
cleaning cloths. Otherwise there is a risk of damage or deformation.
NOTICE
Replace heavily contaminated or damaged parts with original parts
from ABB Turbocharging.
Fitting filter silencer
Assemble insert units (E) by putting fleece segments (81136) into
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sheet-metal cover (81137).
Bend back sheet-metal cover (81137) to original shape.
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Put insert units (E) into slot guides in filter silencer body (81135).
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NOTICE
If a cleaning container is fitted to the filter silencer (optional depending
on turbocharger type), the water injection line must now be refitted.
(See also following section Fitting cleaning pipe.)
Put cover grids (81266) uniformly into correct position.
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Push connecting rods (81269) through clips on cover grids (81266).
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HZTL2485_EN Rev.G March 2020