Stretching Of V-Belt; Stretching Of A/C Compressor V-Belt; Retightening Of Cylinder Head; Adjustment Of Valve Play - Zetor Proxima Plus 85 Operator's Manual

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.
ADJUSTMENTS
E751

RETIGHTENING OF CYLINDER HEAD

Retighten engine cylinder head on cold
engine in the prescribed order.
Tightening torque
Valve play
162
E752

ADJUSTMENT OF VALVE PLAY

Adjustment of valve play should be carried
out on cold engine. Correct valve play of
suction
160 - 180 Nm
0.25±0.05 mm.
0.25 ± 0.05 mm
Alternating movements of the rocker
arms:
Alternating of cylin-
der rocker arms
and exhaust valves
Adjust valve of
cylinder no.
1. 4.
3. 2.
4. 1.
2. 3.
E753
is