Zetor PROXIMA PLUS 8541 Operator's Manual page 71

AFTER 70 OPERATING HOURS
Replace the hydraulic oil filter element. If
necessary, add oil into gearbox. Check
the oil level, which should reach the
flattened part of oil dipstick.
Replace the hydraulic oil filter
element when the oil is cold.
Proceed according to chapter
"Hydraulic oil filtration" in this
manual.
TRACTOR RUNNING-IN
E253
AFTER 70 OPERATING HOURS
Drain the hot engine oil and replace the
full-flow engine oil filter. Fill in the engine
with new oil to the prescribed level (after
engine cranking and oil level stabilizing
up to the upper mark of oil dipstick)
71
E254
AFTER 70 OPERATING HOURS
- Check tightening of cylinder heads (on
cold engine).
- Check the valve clearance (0.25 ±
0,05 mm - on cold engine).
Carry out the check of cylinder
head tightening and adjustment
of valve
authorized service centre within
the framework of the tractor
guarantee inspection.
E255
clearance at the