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Coolant (John Deere Antifreeze/Summer Coolant/Water)
John Deere recommends John Deere Antifreeze/Summer
Coolant for use in thier engines, which can be purchased in
concentrate (and mixed with 50% demineralized water) or
pre-diluted. See the John Deere Engine Owner's Manual
for further details.
CAUTION:
CAUTION:
CAUTION:
CAUTION:
CAUTION:
If adding coolant/antifreeze mix to the radiator, DO NOT remove
the radiator cap until the unit has completely cooled. The
possibility of hot! coolant exists which can cause severe
burns.
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 9 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.
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Operation Freezing Weather
When operating in freezing weather, be certain the proper
amount of antifreeze (Table 10) has been added.
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PAGE 36 — DCA-125USJ (50 HZ) — OPERATION AND PARTS MANUAL — REV. #0 (03/11/05)
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DCA-125USJ (50 HZ)— PRE-SETUP
NOTE
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.
Air Cleaner
Periodic cleaning/replacement is necessary. Inspect it in
accordance with the John Deere Engine Owner's Manual.
Fan Belt Tension
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
Deere Engine Owner's Manual.
The fan belt tension is proper if the fan belt bends 10 to 15
mm (Figure 37) when depressed with the thumb as shown
below.
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Figure 37. Fan Belt Tension
CAUTION
CAUTION:
CAUTION
CAUTION
CAUTION
When the antifreeze is mixed with
water, the antifreeze mixing ratio
must be less than 50%.
NEVER! place hands
near the belts or fan while
the generator set is
running.
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