Specifications

Page 32
Section 4.1
Service Training
09.06
4.1.2.7 CHECKING THE COMPRESSION PRESSURE
- Remove the injection nozzle.
- Check the valve clearance.
- Insert and fasten connector 100110 along with the special seal.
- Connect a compressometer and crank the engine with the starter.
Specified pressure 30 - 38 bar
Max. difference in pressure 4 bar
NOTE: The measured compression pressure depends on the RPM of the starter when the
measurement is carried out and on the altitude of the place the engine is operated in.
For this reason it is not possible to define exact limits. The compression pressure check is
only recommended as a means of comparing all cylinders in relation to each other. If the
difference in pressure exceeds 15 %, dismantle the appropriate cylinder unit and determine
the cause.