Kohler 12.5EFORDB Operation - Page 23
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3.3.3
Oil Change
Change the oil more frequently if the generator operates
under dirty, dusty conditions. See Figure 3-3 for oil
capacities.
Model
10EOR(Z)DB
9EFOR(Z)DB
15EOR(Z)DB
12.5EFOR(Z)DB
20EOR(Z)DB
16.5EFOR(Z)DB
30EORZDB
25EFORZDB
40EORZDB
33EFORZDB
Figure 3-3 Oil Capacities
Oil Change Procedure
Whenever possible, drain the oil while it is still warm.
1. Drain the oil.
a. Place the generator set master switch in the
OFF position.
b. Disconnect the power to the battery charger, if
equipped.
c. Disconnect the generator set engine starting
battery, negative (--) lead first.
d. Place an oil collection container below the oil
drain and remove the oil drain plug.
e. Allow time for the engine oil to drain completely.
f. Replace the oil drain plug.
2. Replace the oil filter.
a. Remove
the
counterclockwise with an oil filter wrench.
b. Apply a light coat of clean oil to the rubber seal
of the new oil filter.
c. Install the new oil filter following the instructions
provided with the filter.
Note: Dispose of all waste materials (engine
oil, fuel, filter, etc.) in an environmentally
safe manner.
TP-6551 2/14
L (Qts.)
3.6
(3.8)
4.7
(5.0)
5.8
(6.1)
10.2 (10.8)
10.2 (10.8)
oil
filter
by
rotating
3. Fill with oil. Add new oil of the weight, grade, and
quantity specified in Section 3.3.
4. Check for leaks.
a. Check that the generator set master switch is in
the OFF position.
b. Reconnect the generator set engine starting
battery, negative (--) lead last.
c. Reconnect the power to the battery charger, if
equipped.
d. Start the generator set and check for leaks
around the oil filter.
e. Stop the generator set and tighten the oil filter to
stop any leaks.
3.4 Fuel System
3.4.1
Fuel Specifications
Use a clean, good quality diesel fuel oil with a cetane
number of 45 or greater. Clean fuel prevents the diesel
fuel injectors and pumps from clogging.
Fuel Recommendations
United States
No. 2-D, No. 1-D, ASTM D975-94
United Kingdom BS 2869-A1 or A2
European Union EN590:96
Japan
JIS. No. K2204-2
Note: Never store diesel fuel in galvanized containers;
diesel fuel and the galvanized coating react
chemically to produce flaking that quickly clogs
filters or causes fuel pump or injector failure.
Note: Avoid storing fuel for more than one month. Take
special precautions to keep all dirt, water, and
it
other contaminants out of fuel to prevent the
growth of microbes. Microbes form slime that
clogs the fuel filter and lines.
Note: Do not run the generator set out of fuel because
the fuel lines will draw in air and necessitate
bleeding the fuel system before restarting the
unit.
Section 3 Scheduled Maintenance
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