Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
5 Maintenance / 5.5 Cleaning components mechanically
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
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
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