MAINTENANCE PROCEDURES
500 HOUR MAINTENANCE
CHECK
COOLANT
CONCENTRATION
Location: Radiator cap (A).
To
Check: Remove the radiator cap.
Factory recommended coolant concentration
is a
50/50 mixture oflow silicate antifreeze
(-34 degrees
F.)
with an approved nitrite or
nitrite-molybdate based Supplemental Coolant
Additive. This additive is required to prevent
engine damage due to cylinder liner erosion and
pitting.
Do
not use high-silicate automotive
antifreeze or cooling system damage due to
silicate dropout can occur.
Contact your local John Deere dealer for an
approved antifreeze and Supplemental Coolant
Additive.
A
750 HOUR MAINTENANCE
Perform "BEFORE SERVICING PROCEDURES" before
attempting any
of
the following checks.
Complete all "DAILYMAlNTENANCE" checks prior to this
time interval.
Complete all
"50 HOUR MAINTENANCE" checks prior to
this time interval.
Complete all
"100 HOUR MAINTENANCE" checks prior to
this time interval.
Complete all
"250 HOUR MAINTENANCE" checks prior to
this time interval.
Complete all
"500 HOUR MAINTENANCE" checks prior to
this time interval.
Perform
"BEFORE OPERATING CHECKS" before attempt-
ing any
of
the following checks.
CHANGE
AXLE
OILS
To
Change: Refer to the procedures listed on pages 5-15 &
5-16
of
this manual.
5-20
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