TP-7070 7/1884 Section 3 Scheduled Maintenance
3.8 Cooling System
KD series generator sets in the range of 800--2500 kW
use two-slab radiators with a multi--core construction
and expansion tanks. The multi-core construction
allows the isolation of cooling circuits and improves the
serviceability of the product.
KD series generator sets in the range of 2800 kW and
above use a two-slab, single core radiator construction.
Note: Engine damage. Bleed the air from the cooling
system to prevent overheating and subsequent
engine damage.
Note: Block heater damage. The block heater will fail if
the energized heater element is not immersed in
coolant. Fill the cooling system before turning on
the block heater. Run the engine until it is warm,
and refill the radiator to purge the a ir from the
system before energizing the block heater.
3.8.1 Coolant System Safety
Hot coolant and steam.
Can cause severe injury or death.
Before removing the pressure cap,
stop the generator set and allow it to
cool. Then loosen the pressure cap
to relieve pressure.
WARNING
Allow the engine to cool. Release pressure from the
cooling system before removing the pressure cap. To
release pressure, cover the pressure cap with a thick
cloth and then slowly turn the cap counterclockwise to
the first stop. Remove the cap after pressure has been
completely released and the engine has cooled. Check
the coolant level at the tank if the generator set has a
coolant recovery tank.
Hazardous voltage. Moving parts.
Will cause severe injury or death.
Operate the generator set only when
all guards and electrical enclosures
areinplace.
DANGER
Servicing the generator set when it is operating. Exposed
moving parts will cause severe injury or death. Keep
hands, feet, hair, clothing, and test leads away from the belts
and pulleys when the generator set is running. Replace
guards, screens, and covers before operating the generator
set.
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before
working on the generator set.
Remove the negative (--) lead first
when disconnecting the battery.
Reconnect the negative (--) lead last
when reconnecting the battery.
WARNING
Disabling the generator set. Accidental starting can
cause severe injury or death. Before working on the
generator set or equipment connected to the set, disable the
generator set as follows: (1) Shut down the generator set. (2)
Place the controller in Out of Service mode. (3) Press the
emergency stop button. (4) Disconnect the power to the
battery charger, if equipped. (5) Remove the battery cables,
negative (--) lead first. Reconnect the negative (--) lead last
when reconnecting the battery. Follow these precautions to
prevent the starting of the generator set by the remote
start/stop switch.
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