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4. MAINTENANCE
NOTE: Lifting up on retaining ring as it is rotated
helps to get it past raised locators.
3. Firmly grasp the retaining ring and rotate it
counterclockwise 1/4 turn. Remove ring with
filter element.
4. Inspect filter mounting base for cleanliness. Clean
as required.
NOTE: Raised locators on fuel filter canister must be
indexed properly with slots in mounting base for
correct installation.
5. Install new filter element onto mounting. Be sure
element is properly indexed and firmly seated on
base. It may be necessary to rotate filter for correct
alignment.
6. Remove filter element from water separator bowl.
Drain and clean separator bowl. Dry with
compressed air. Install water separator bowl onto
new element. Tighten securely.
7. Align keys on filter element with slots in filter
base.
8. Install retaining ring onto mounting base making
certain dust seal is in place on filter base. Hand
tighten ring (about 1/3 turn) until it snaps into
the detent. DO NOT overtighten retaining ring.
NOTE: The proper installation is indicated when a
click is heard and a release of the retaining ring is
felt. A plug is provided with the new element for
plugging the used element.
9. Bleed the fuel system. See Bleeding Fuel System
in Maintenance section of this manual.
4.10.3 Bleeding Fuel System
ESCAPING FLUID UNDER PRESSURE CAN
PENETRATE THE SKIN CAUSING SERIOUS
INJURY. RELIEVE PRESSURE BEFORE
DISCONNECTING FUEL OR OTHER LINES.
TIGHTEN ALL CONNECTIONS BEFORE
APPLYING PRESSURE. KEEP HANDS AND BODY
AWAY FROM PINHOLES AND NOZZLES THAT
EJECT FLUIDS UNDER HIGH PRESSURE. USE
A PIECE OF CARDBOARD OR PAPER TO
SEARCH FOR LEAKS. DO NOT USE YOUR
HAND.
IF ANY FLUID IS INJECTED INTO THE SKIN, A
DOCTOR FAMILIAR WITH THIS TYPE INJURY
MUST SURGICALLY REMOVE IT WITHIN A
FEW HOURS OR GANGRENE MAY RESULT.
DOCTORS UNFAMILIAR WITH THIS TYPE OF
INJURY MAY CALL THE DEERE & COMPANY
MEDICAL DEPARTMENT IN MOLINE, ILLINOIS,
OR OTHER KNOWLEDGEABLE MEDICAL
SOURCE.
Whenever the fuel system has been opened up for
service (lines disconnected or filters removed), it will
be necessary to bleed air from the system.
1. Loosen the air bleed vent screw on fuel filter head
two full turns by hand on fuel filter base.
2. Operate supply pump primer lever until fuel flow
is free from air bubbles.
3. Tighten bleed plug securely by hand or using a
coin, continue operating hand primer until pumping
action is not felt. Push hand primer inward (toward
engine) as far as it will go.
4. Start engine and check for leaks.
If engine will not start, it may be necessary to bleed air
from fuel system at fuel injection pump or injection
nozzles as explained next.
4.10.4 Bleeding at Fuel Injection Pump
1. Slightly loosen fuel supply line connector at
injection pump.
2. Operate fuel supply pump primer lever until fuel,
without air bubbles, flows from fuel return line
connection.
3. Tighten return line connector to 16 Nm (12 lb-ft.).
4. Leave hand primer in the inward position toward
cylinder block.
4.10.5 Bleeding at Fuel Injection Nozzles
1. Energize the electronic fuel shut-off solenoid
(turn ignition key to ON position).
WARNING