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FLUSHING OUT THE RADIATOR
AND REPLACING COOLANT
„ Open both cocks located at the crankcase side and at
the lower part of the radiator and drain the coolant. Open
the radiator cap while draining. Remove the overflow
tank and drain.
„ Check hoses for softening and kinks. Check clamps for
signs of leakage.
„ Tighten both cocks and replace the overflow tank.
„ Replace with coolant as recommended by the engine
manufacturer.
„ Close the radiator cap tightly.
„ Flush the radiator by running clean tap water through
the radiator until signs of rust and dirt are removed.
DO NOT clean the radiator core with any objects, such
as a screwdriver.
WARNING
Allow the engine to cool when flushing
out the radiator. Flushing the radiator while
hot could cause serious burns from water
or steam.
RADIATOR CLEANING
The radiator (Figure 77) should be sprayed (cleaned) with
a high-pressure washer when excessive amounts of dirt
and debris have accumulated on the cooling fins or tube.
When using a high-pressure washer, stand at least 5 feet
(1.5 meters) away from the radiator to prevent damage to
the fins and tube.
Figure 77. Radiator Cleaning
PAGE 54 — DCA125SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #6 (05/12/22)
TESTING THE GFCI RECEPTACLE
NOTICE
The GFCI receptacle is designed to interrupt power
when a ground fault exists to prevent injuries and shock
hazards. DO NOT use the GFCI receptacle if the test
below fails. Consult a qualified electrician for repair or
replacement of the GFCI receptacle. Test the GFCI
receptacle at least once a month.
1. Start the generator as outlined in the start-up procedure
in this manual.
2. Place a GFCI circuit breaker (Figure 78) in the ON
position.
Figure 78. GFCI Circuit Breaker
3. Verify that the status LED on the corresponding GFCI
receptacle (Figure 79) is ON (GREEN).
Figure 79. GFCI Receptacle (ON)
MAINTENANCE
GREEN
STATUS
LED (
ON
)
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Troubleshooting
