Adjustment Values C 30 SE, C 30 SEJ, C 30 XEI
Valve play Hydraulic valve clearance adjustment:
No adjustment necessary
Distributor dwell angle Electronic dwell angle control
Distributor dwell time
Ignition timing Electronic adjustment
of ignition timing,
adjustment not possible
Spark plug electrode gap 0.7 to 0.8 mm
Compression Pressure difference between
individual cylinders of complete
engine should not be more than
100 kPa (1 bar).
Compression loss test Compression loss with
perfect engine is not more than
max. 25 % per cylinder.
Idle Speeds, CO Content, Ignition Timing Adjustment
| Engine | Idle speed in rpm | |
|---|---|---|
| CO - content | ||
| in Vol. % | Ignition timing at idle speed | |
| in °CA BTDC | ||
| Manual transmission | Automatic transmission |
C 30 NE 1)
| C 30 SEJ 1) | 570-730 | |||
|---|---|---|---|---|
| 570-730 | < 0.4 | |||
| < 0.4 | 8 - 122) | |||
| 8 - 122) | ||||
| C 30 XEI 1) | 570-730 | - | < 0.4 | 8 - 122) |
1) With self - diagnosis
2) Ignition timing adjustment not possible