Mercedes-Benz 602, Service Manual

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Renewal
Remove chain tensioner (05310)
2 Check camshaft timing gear for scores and
pitting. Cover chain case with a cloth and
off both link pins at a timing chain link.
3 Mount new timing with connecting link
on the old timing
4 Slowly turn crankshaft in the direction of
rotation of the engine, simultaneously
raising the old chain the connecting
link is located at the uppermost position of the
camshaft timing gear.
Pull out the released end of the old chain
evenly, to match pulling on the new timing chain.
Caution!
The must remain engaged with the
camshaft and crankshaft gear while engine is
turned.
5 Detach old timing chain and connect the
ends of the new timing chain with a connecting
link. Secure ends of chain on camshaft timing
gear with wire.
6 Insert connecting link the timing chain
from behind (arrow).