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PAGE 40 — DCA-25SSIU — PARTS AND OPERATION MANUAL(STD) — REV. #7 (04/18//12)
DCA-25SSIU — PRE-SETUP
Day-to-day addition of coolant is done from the reserve tank.
When adding coolant to the radiator, DO NOT remove the
radiator cap until the unit has completely cooled. See Table11.
for engine, radiator, and reserve tank coolant capacities. Make
sure the coolant level in the reserve tank is always between
the "H" and the "L" markings.
CAUTION :CAUTION :
CAUTION :CAUTION :
CAUTION :
When adding coolant or antifreeze to the
radiator, do not remove the radiator cap
until the unit has completely cooled.
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Operation in Freezing Weather
When operating in freezing weather, be certain the proper
amount of antifreeze (Table 12) has been added.
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When the antifreeze is mixed with
water, the antifreeze mixing ratio must
be less than 50%.
NOTE
Cleaning the Outer 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 radiator is
dangerous, so clean only with the engine turned off and the
battery disconnected.
Air Cleaner
Periodic cleaning/replacement is necessary. Inspect it in
accordance with the Kubota 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 Kubota
Engine Owner's Manual.
The fan belt tension is proper if the fan belt bends 10 to 15
mm (Figure 32) when depressed with the thumb as shown
below. Never place hands near the belts or fan while the
generator is running.
Figure 32. Fan Belt Tension
Never place hands near the belts or fan
while the generator set is running.
CAUTION :CAUTION :
CAUTION :CAUTION :
CAUTION :
Adjusting Fan Belt
If the fan belt does not have the 10 to 15mm defection
follow the procedure below to adjust:
Loosen the alternator adjusting plate and alternator
mounding bolt.
Pivot the alternator at the mounting bolt toward the engine
left or right until the belt reflects the proper tension.
Tighten the mounting bolt and the adjusting bolt.