162
ADJUSTMENTS
E751 E752 E753
STRETCHING OF V-BELT
With correct stretching of the V-belt the
slack of the belt shall be 7.5mm when a
force 25N to one belt is applied.
Stretch the V-belt to the prescribed value
after releasing of the alternator fixing
screws (1, 2).
∗STRETCHING OF A/C COMPRESSOR
V-BELT
With correct stretching of the V-belt the
slack of the belt shall be 7.5mm when a
force 25N to one belt is applied.
Stretch the V-belt to the prescribed value
after releasing of the A/C compressor fix-
ing screws.
RETIGHTENING OF CYLINDER HEAD
Retighten engine cylinder head on cold
engine in the prescribed order.
Tightening torque 160 - 180 Nm
Valve play 0.25 ± 0.05 mm
ADJUSTMENT OF VALVE PLAY
Adjustment of valve play should be carried
out on cold engine. Correct valve play of
suction and exhaust valves is
0.25±0.05 mm.
Alternating movements of the rocker
arms:
Alternating of cylin-
der rocker arms
Adjust valve of
cylinder no.
1. 4.
3. 2.
4. 1.
2. 3.
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