Kohler EKOZD Series Service page 109

Bleed Procedure (32/40EKOZD & 28/35EFKOZD
Models)
1. Remove the coolant fill cap. See Figure 1-2 for
location.
2. Slowly fill the coolant system.
Figure 6-17 Bleed Point Location
3. Loosen the capscrew C (shown in Figure 6-17) to
release any air and tighten the capscrew C. Torque
capscrew to 8 Nm.
Note: The max. filling level for the exhaust manifold is in
correspondence of capscrew C. Complete the
coolant refilling procedure as soon as the coolant
starts leaking out of capscrew C.
4. Retighten capscrew C (if not already done) and the
coolant fill cap.
5. After a few minutes of operation, stop the engine
and allow the liquid to cool and recheck the coolant
level.
TP-6953 7/19
6.5 Flush and Clean Cooling
System
WARNING
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before
working on
Remove the negative (- ) lead first
when disconnecting the battery.
Reconnect the negative (- ) lead last
when reconnecting the battery.
Disabling the generator set.
cause severe injury or death.
generator set or equipment connected to the set, disable the
generator set as follows: (1) Press the generator set off/reset
button to shut down the generator set. (2) Disconnect the
power to the battery charger, if equipped. (3) 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.
For optimum protection, drain, flush, and refill the
cooling system at the interval listed in the service
schedule.
Pay special attention to the coolant level. When refilling
the cooling system, allow time for complete refill of the
engine water jacket.
described in Section 6.4.
Flush and Clean Procedure:
1. Press the generator set OFF/RESET button to shut
down the generator set.
2. Disconnect the power to the battery charger, if
equipped.
3. Disconnect the generator set engine starting
battery, negative (- ) lead first.
4. Remove the water drain pipe plug located at the
heat exchanger and completely drain the system.
5. Remove the pressure cap to make draining easier.
6. Drain, clean, and flush the cooling system and the
coolant recovery tank with clean water.
the generator set.
Accidental starting can
Before working on the
Check the coolant level as
Section 6 Cooling System 109