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SERVICING AND MAINTENANCE 375
3. Open the water drain valve one full turn
counterclockwise and completely drain fuel
and water into the approved container.
4. Close the water drain valve.
5
. Remove lid using a socket or strap wrench.
R
otate counterclockwise for removal. Remove
used o-ring and discard it.
6. Remove the used filter cartridge from the
h
ousing and dispose of according to your local
regulations.
7. Wipe clean the sealing surfaces of the lid and
h
ousing.
8. Install new o-ring back into ring groove on the
filter housing and lubricate with clean engine
oil.
NOTE:
Water In Fuel (WIF) sensor is re-usable. Service kit
com
es with new o-ring for filter canister and WIF
sensor.
PRIMING IF THE ENGINE HAS RUN OUT
O
F FUEL — DIESEL ENGINE
1. Add a substantial amount of fuel to the tank,
approximately 2 to 5 gal (8L to 19L).
2. Three priming cycles must be completed. Turn
ignition to the RUN position and wait approxi
-
mately 30 seconds. This will activate the in
tank fuel pump. Turn the ignition switch to the
off position, and leave off for at least 30 sec-
onds. Repeat this procedure three times
before cranking the engine.
3. Start the engine using the “Normal Starting”
p
rocedure
Ú page 126.
4. Once the engine starts, allow the engine to idle
for a minimum of 30 seconds.
NOTE:
The engine may run rough until the air is forced
fr
om all the fuel lines.
NOTE:
A maximum blend of 5% biodiesel, meeting
ASTM specification D-975
may be used with
y
ou
r Cummins® diesel engine. (Chassis Cab
models not configured with B20 capability.)
A maximum blend of 20% biodiesel, meeting
ASTM specification D-7467 may be used with
you
r Cummins® diesel engine. (Pickup models
and Chassis Cab models configured with B20
capability.)
Use of biodiesel mixture in excess of 20% can
negatively impact the fuel filter's ability to sepa-
rate water from the fuel, resulting in high pres-
sure fuel system corrosion or damage.
Ethanol blends are not recommended or
approved for use with your Cummins® diesel
engine.
In addition, commercially available fuel addi-
tives are not necessary for the proper operation
of
your Cummins® diesel engine.
WARNING!
Do not open the high pressure fuel system with
the engine running. Engine operation causes
high fuel pressure. High pressure fuel spray can
cause serious injury or death.
CAUTION!
Do not engage the starter motor for more than
15 seconds at a time. Allow two minutes
between the cranking intervals.
WARNING!
Do not use alcohol or gasoline as a fuel blending
agent. They can be unstable under certain
conditions and be hazardous or explosive when
mixed with diesel fuel.
CAUTION!
Due to lack of lubricants in alcohol or gasoline,
the use of these fuels can cause damage to the
fuel system.
8
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