12-46 Simple inspection and service
1. Apply the parking brake firmly.
Chock the wheels to prevent the vehicle from
moving.
2. Tilt the cab. P. 12-6
3. Wipe sand, dust and other impurities from the
cap to prevent them from entering the system
when the cap is removed.
4. Turn the cap in the direction of the arrow as
illustrated and remove it.
5. Pull the valve element straight up and remove
it.
6. Replace the O-ring on the cap with a new
one. Lightly coat the new O-ring with engine oil
before installing it onto the cap.
CAUTION
Be sure to use the O-ring supplied with the new
valve element.
7. Install the new valve element. Always use a
genuine part.
8. Install the cap, turning it by hand in the direction
of the arrow . Continue to turn the cap until it
slightly lifts up and comes to a stop.
CAUTION
Install the cap carefully so that the O-ring will
not be twisted and damaged.
If the warning lamp lights up, there is water in
the fuel filter in an amount exceeding the limit.
Drain the water as follows:
Draining water from fuel filter
Z17501
Z17345
FKFM.book Page 46 Wednesday, January 28, 2009 9:21 AM
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