Zetor 3321 SUPER Operator's Manual page 13

FUEL SYSTEM LEAKAGE
Inspect the fuel system for leakage in-
cluding the fuel tank. Repair immediately
any leaks.
PREVENTIVE DAILY SERVICE
A 9
ENGINE OIL LEVEL
Check the engine oil level after unscre-
wing and removing of oil dipstick. In-
spect the lubrication system for leakage.
Maintain the oil level between dipstick
marks.
A 10
COOLING SYSTEM
Inspect the engine cooling system for
leaks. Check the coolant level. Add the
coolant to correct level.
Release the
coolant temperature
down. Avoid scalding!
A 11
filler cup after
cooling