DCA300SSJU4F2 60 HZ GENERATOR• OPERATION MANUAL — REV. #0 (06/26/18) — PAGE 51
MAINTENANCE
FLUSHING OUT RADIATOR AND REPLACING
COOLANT
1. Place the
coolant drain valve
in the
OPEN
position
(Figure 70) and allow the coolant to drain into a suitable
container.
Figure 70. Draining Engine Coolant
2. Check hoses for softening and kinks. Check clamps
for signs of leakage.
3. Remove and inspect radiator cap.
4. Flush the radiator by running clean tap water through
radiator until signs of rust and dirt are removed.
DO
NOT
clean radiator core with any objects, such as a
screwdriver.
5. Tighten water cock and replace the overflow tank.
6. Place the coolant drain valve in the
CLOSED
position.
7. Replace with coolant as recommended by the engine
manufacturer.
8. Reinstall radiator cap. Tighten securely.
WARNING
DO NOT
remove the pressure cap from the
radiator when the engine is hot! Wait until
the coolant temperature is below 120°F
(50°C) before removing pressure cap.
Heated coolant spray or steam can cause severe
scalding and personal injury.
COOLANT
DRAIN VALVE
(OPEN)
RADIATOR CLEANING
The radiator (Figure 71) 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 71. Radiator Cleaning
GENERATOR STORAGE
For long term storage of the generator the following is
recommended:
Drain the fuel tank completely. Treat with a fuel stabilizer
if necessary.
Completely drain the oil from the crankcase and refill if
necessary with fresh oil.
Clean the entire generator, internal and external.
Cover the generating set and store in a clean, dry place.
Disconnect the battery.
Make sure engine coolant is at proper level.
If generator is mounted on a trailer, jack trailer up and
place on blocks so tires do not touch the ground or block
and completely remove the tires.