MQ Power WHISPERWATT DCA600SSV4F3 Operation Manual page 55

2. Open the cabinet door and remove the coolant drain
bolt and O-ring (Figure 89), then allow the coolant to
drain into a suitable container.
COOLANT
DRAIN BOLT
AND O-RING
Figure 89. Draining Radiator Coolant
DCA600SSV4F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (11/15/22) — PAGE 55
FLUSHING OUT THE RADIATOR
AND REPLACING COOLANT
WARNING
Allow the engine to cool before flushing
out the radiator. Flushing the radiator while
it is hot can cause serious burns from hot
water or steam.
„ Open both cocks located at the crankcase side and 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 recommended by the engine
manufacturer.
„ Close the radiator cap tightly.
„ Flush the radiator by running clean tap water through
radiator until signs of rust and dirt are removed. DO NOT
clean the radiator core with any objects such as a
screwdriver.
MAINTENANCE