188
SETTING-UP OPERATIONS
F273 F_02_201 F_02_202
INSPECTING THE TENSION OF ENGI-
NE BELT
The correct tension of each belt is as-
sured when the belt is deflected 7,5 mm
after pushing on the belt by force 25 N.
Adjust the tension of belt to prescribed
value after loosening the fixing screws
(1, 2).
∗
∗∗
∗ INSPECTING THE TENSION OF AIR-
CONDITION COMPRESSOR BELT
The correct tension of each belt is as-
sured when the belt is deflected 7,5 mm
after pushing on the belt by force 25 N.
Adjust the tension of belt to prescribed
value after loosening the fixing screws of
the aircondition compressor.
INSPECTING THE TENSION OF
ENGINE BELT Z 11741
At tractors Z 11741 the correct tension is
when the belt is deflected 25 mm after
pushing on the belt by force 50 N.
Adjust the tension of belt to prescribed
value after loosening the fixing screws
(1, 2).
TIGHTENING THE HEAD OF CYLINDERS
Tightening of the head of cylinders
should be carried out in a cold engine in
the prescribed order.
Tractor type Z 8641 - Z 11441 - (A)
Torque 160 - 180 Nm
Valve
clearance 0,25 ± 0,05 mm
Tractor type Z 11741 - (B)
Torque 1. first 19Nm
2. than 50 Nm
3. subsequently
tighten by 90° ± 5’)
Valve
clearance 0,30± 0,05 mm
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