Tensioning Of Engine Belt; Tensioning Of Air-Conditioning Compressor Belt; Tightening Of Cylinder Heads; Valve Clearance Adjustment - Zetor Proxima 70 2012 Operator's Manual

TENSIONING OF ENGINE BELT

At correct tensioning of the belt, belt
deflection must be 5,5 mm after affecting
one belt by force of 25 N.
Adjust the belt tension to prescribed
value after loosening of the alternator
fixing screws (1, 2).
∗TENSIONING OF AIR-CONDITIONING
COMPRESSOR BELT
At correct tensioning of the belt, belt
deflection must be 7,5 mm after affecting
one belt by force of 25 N.
Adjust the belt tension to prescribed
value after loosening of the fixing screws
of the air-conditioning compressor.
ADJUSTMENT
C750

TIGHTENING OF CYLINDER HEADS

Cylinder heads are tightened at cold
engine in the prescribed sequence.
Torque
Valve clearance
168
C751

VALVE CLEARANCE ADJUSTMENT

Engine valve clearance is adjusted at
cold engine. The correct valve clearance
at suction
160 - 180 Nm
0,25±0,05 mm.
0,25 ± 0,05 mm
Change of rocker arm movement:
Change of rocker
arm of cylinder No.:
and exhaust valves
Adjusted valve at
cylinder No.:
1. 4.
3. 2.
4. 1.
2. 3.
C752
is