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Operating the Engine
PY80265,05GO825 –19–04JUL06–1/1
Air Restriction Sensor (5103E Tractor)
PY4093 –UN–25AUG04
When red indicator is seen in transparent area of air
restriction sensor (A). Service air cleaner as soon as
possible.
After servicing the air cleaner, reset the sensor by
pressing top of the sensor (B).
PY80265,05GO826 –19–29DEC06–1/1
Coolant Temperature Gauge
PY5732 –UN–31MAY06
For 5103, 5103S, 5203, 5104 and 5204 Tractor
PY5757 –UN–01JUN06
For 5103E Tractor
A—Coolant Temperature
Gauge
The needle on the temperature gauge (A) rises as
engine warms up. If needle reaches red zone, stop
engine and determine the cause.
CAUTION: DO NOT remove radiator cap or
drain coolant until coolant is cold. Always
loosen radiator cap slowly to relieve any
excess pressure.
Check coolant level in radiator when engine cools.
Also check grille, radiator and radiator side screens for
plugging. Check fan belt tension. If problem is not
corrected, see your John Deere dealer.
45-5
022607
PN=39