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Day-to-day addition of coolant is done from the recovery
tank. When adding coolant to the radiator, DO NOT remove
the radiator cap until the unit has completely cooled. See
Table 14 for engine, radiator, and recovery tank coolant
capacities. Make sure the coolant level in the recovery tank
is always between the “H” and the “L” markings.
Operation in Freezing Weather
When operating in freezing weather, be certain the proper
amount of antifreeze (Table 15) has been added.
Cleaning the Radiator
The engine may overheat if the radiator fins become
overloaded with dust or debris. Periodically clean the
radiator fins with compressed air. Cleaning inside the
machine is dangerous, so clean only with the engine turned
off and the negative battery terminal disconnected.
Periodic cleaning/replacement is necessary. Inspect
air cleaner in accordance with the John Deere Engine
.
Coolant Capacity
Engine and Radiator 5.92 gal (22.4 liters)
Reserve Tank N/A
Operating Temperatures
Vol %
Anti-Freeze
Freezing Point
°C °F
50 -37 -34
NOTICE
When the antifreeze is mixed with water, the antifreeze
mixing ratio must be less than 50%.
INSPECTION/SETUP
A slack fan belt may contribute to overheating, or to
insufficient charging of the battery. Inspect the fan belt for
damage and wear and adjust it in accordance with the John
The fan belt tension is proper if the fan belt bends 10 to 15
mm (Figure 38) when depressed with the thumb as shown
below.
Figure 38. Fan Belt Tension
This unit is of negative ground DO NOT connect in reverse.
Always maintain battery fluid level between the specified
marks. Battery life will be shortened, if the fluid level are
not properly maintained. Add only distilled water when
replenishment is necessary.
DO NOT over fill. Check to see whether the battery
cables are loose. Poor contact may result in poor starting
or malfunctions. Always keep the terminals firmly
tightened. Coating the terminals with an approved battery
terminal treatment compound. Replace battery with only
recommended type battery. The battery type used in this
generator is BCI Group 27.
The battery is sufficiently charged if the specific gravity
of the battery fluid is 1.28 (at 68° F). If the specific gravity
should fall to 1.245 or lower, it indicates that the battery is
dead and needs to be recharged or replaced.
Before charging the battery with an external electric source,
be sure to disconnect the battery cables.
place hands near the belts or fan
while the generator set is running.