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Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30

5 Maintenance / 5.5 Cleaning components mechanically

CAUTION

Water and contamination in the cartridge group

If water or contamination gets into the cartridge group, the turbochar-

ger function may be impaired and parts in the cartridge group may be

damaged.

u Make sure that water or contamination does not get into the gap

between the sealing cover and turbine.

CAUTION

Non-permissible rotor unbalance after cleaning

Invisible and unevenly distributed residual contamination deposits lead

to rotor unbalance. This can result in bearing or turbocharger damage.

u Remove all traces of contamination from the turbine.

u After brushing off the contamination, fill the tank with clean water,

not salt water.

u Submerge the turbine of the cartridge group in clean water, so that

loose particles of contamination detach completely.

u Lift the cartridge group.

u Dry turbine and gap between turbine and sealing cover with a weak

jet of compressed air.

u Lightly spray turbine and gap between turbine and sealing cover with

penetrating oil.

u Rotate cartridge group back to horizontal position (described proced-

ure in reverse order, see Cleaning the cartridge group on the turbine

end →64).

u Dispose of contaminated water and cleaning agent in accordance

with the specifications in the safety data sheet.

Page 70 / 136

ABB TPL69-A Series User Manual

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