Mercedes-Benz 201.024 Service Manual page 173

Removal and installation
1 Mark timing chain and camshaft gear
rerlative to each other.
2 Mark timing chain and crankshaft gear
relative to each other.
3 Unbolt camshaft gear and place timing chain
in chain box.
4 Pull tensioning rail (22) off bearing pin (26) .
Note
On
engines with double roller chain, knock out
bearing pin of tensioning rail with the impact
extractor 115 589 12 33 00 and the extension
100 589 00 43 00.
To perform the step, tap an M6 thread approx.
10 mm deep into the bearing pin.
I /\
EXIT