Exhaust gas turbocharger
Maintenance / Cleaning
A5.05. 06.05.02.04
150
M20
en / 10.08.2010 IB026801 2/4
06
Quality requirements for water for washing turbine and nozzle ring:
The cleaning parameters for the turbocharger models KBB - HPR 4000 are as follows:
exhaust gas temperature before
turbine intake: < 420 ° C
injection time: 3 -4 times for 30 sec.
water pressure before diaphragm: approx. 2 bar (on-board supply)
Quality requirements for water for washing turbine and nozzle ring:
Clear freshwater (drinking water) without cleaners or solvents must be used.
The wash water used should have minimal mineral and salt content.
Notes on the cleaning procedure:
The exhaust gas temperature after the turbocharger will decrease considerably during cleaning
(down to between 50° and 100°C).
NOTE
Water flow is controlled by a diaphragm located in the needle valve (Fig.2/1).
To Next Page