85-30-40 Cylinder head
Before replacement of the cylinder head a power evaluation has to be done to get data for
comparison purposes. The data collected before the replacement will be compared to data
collected after the replacement to ensure that the engine performs properly after the
replacement.
Before Change of Cylinder Head:
● Start cold engine, bring temperatures to normal operation conditions (50°C Engine Oil Temp,
60°C Coolant Temp, 35°C Gearbox Oil Temp)
● Start Recording with attached LiveView-Config
● Perform Selftest
● Bring Powerlever to Max. Continuous Power
● Record 30s on ECU A, then 30s on ECU B
● Bring Power Lever to Idle and stop LiveView-Recording
● Collect and store the before replacement recorded data
Avoid any kind of wind exposure during the selftest procedure. If wind cannot be avoided
note wind conditions (direction, wind strength).
85-30-41 Removal of the cylinder head
For disassembly and assembly of A/C related installation refer to the respective A/C
Maintenance Manual.
Ensure that the workplace is clean. Use clean gloves. Close all water-, air- or fuel lines after
demount with appropriate covers. Cover the gearbox for the replacement work of the cylinder
head to avoid any damage.
Parts to be re-used for installation of the cylinder head:
Camshaft position sensors CAS 1 and CAS 2
Camshaft sensor housing for CAS 2
Exhaust manifold
Turbo charger, if not otherwise instructed in Schedule Maintenance Table
Chapter 05-30-00
Injector cover
Oil separator
Lubricant line
Oil return line
EGR closing covers
Camshafts, except for engine model E4P
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