– Loosen tensioning roller securing nut -1-.
– Using socket -T10264-, turn eccentric of tensioning roller an-
ti-clockwise -arrow- until the tensioning roller can be locked
with locking pin -T10265-.
– Now turn tensioning roller eccentric clockwise -arrow- onto
stop and tighten securing nut -1- hand-tight.
– Remove toothed belt first from idler pulley and then from re-
maining pulleys.
1.5.2 Installing, tensioning
Note
◆
The toothed belt may only be adjusted on cold engines, as
the indicator position on the tensioning element varies de-
pending on the engine temperature.
◆
If the tensioning roller is to be renewed, the engine bracket
must be removed.
◆
Renew securing bolts for camshaft pulley and high-pressure
pump pulley.
● Tensioning roller must be locked with locking tool -T10265-
and secured to right stop.
● Crankshaft is locked using crankshaft stop -T10050-.
Note
If necessary, turn camshaft hub with counterhold tool -T10172-
and adapters -T10172/4- until camshaft can be secured in posi-
tion. To do this, hand-tighten at least one securing bolt -1-.
3
Industriemotoren - Industrial Engines 2009
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Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
214
Repair Group 15 - Cylinder head, valve gear