Drive Belt Tension Inspection; Cylinder Heads Retorque; Valve Clearance Adjustment At Engines Z 5202, Z 6202, Z 7202, Z 7702, Z 7302 - Zetor 3321 SUPER Operator's Manual

DRIVE BELT TENSION INSPECTION

The correct tension of each belt is
assured when the belt is deflected 5 mm
after pushing on the belt by force 25 N.
ADJUSTMENT
A 175

CYLINDER HEADS RETORQUE

Cylinder heads are retorqued at cold
engine in the prescribed cross sequen-
ce. The torque is 167 to 177 Nm.
VALVE CLEARANCE ADJUSTMENT
AT ENGINES Z 5202, Z 6202, Z 7202, Z
7702, Z 7302
Engine valve clearance is adjusted at
cold engine. The correct valve clearance
at suction and exhaust
0,25" 0,05 mm.
A 176
At change of rocker arm movement
cylinder rocker
arm changes
1st
3rd
4th
2nd
At the engine Z 5202, after rocker arm
changing, turn the crankshaft by one
valve is revolution (360°) and do adjusting.
A 177
cylinder rocker
arm is adjusted
4th
2nd
1st
3rd