Hours After - Zetor 3321 SUPER Operator's Manual

70 HOURS AFTER

Drain the hot engine oil and exchange
the full-flow engine oil filter. Fill in the
engine with new oil to the prescribed
level - upper mark of oil dipstick ( inspect
after engine cranking and oil level sta-
bilizing).
NEW TRACTOR RUNNING IN
A 77
70 HOURS AFTER
Retorque the cylinder head nuts (re-
commended torque is 167 to 177 Nm at
the cold engine) and check for valve
clearance (0,25 „ 0,05 mm at the cold
engine).
A 78
100 HOURS AFTER
You can work without any restrictions
with the tractor after running in.
The operating engine mode - speed:
- recommended operating engine speed
1400 to 2300 RPM.
- low idle speed 700 to 650 RPM.
A 79