Zetor Major 80 Operator's Manual page 55

FROM 100 HOURS OF OPERATION
After drive in completion you can work
with tractor without limitations.
Engine operation mode with Major trac-
tors:
Recommended
operation revolu- 1400 - 2300 rpm
tions
Idle run revolutions 800±25 rpm
Operation oil pres- 0.2 – 0.5 MPa
sure
Oil pressure with
idle run revolutions min. 0.05 MPa
Max. coolant tem-
perature
TRACTOR RUN-IN
C256
106°C
55