III. Replace Fuel Filter Elements
A—Cap Screw
B—Filter Element Bowl
C—Filter element
D—Washer
E—Bleed Screw
1. Remove cap screw (A) and filter element bowl (B).
2. Take out filter element (C).
3. Drain the fuel and clean the bowl.
4. Install new filter .element
5. Reinstall the bowl (B) and tighten screw (A) and washer (D).
6. Bleed the system from bleed screw (E).
IMPORTANT: Change primary and secondary filter
elements alternatively. Never change both
filter simultaneously. Alwayselements
use new O-ring which comes filter
elements
IV. Bleeding Fuel System
1. Loosen fuel return line (A).
2. Unscrew hand primer (B) on fuel supply pump until it
can be pulled by hand.
3. Operate the hand primer until fuel flow is free from air bubbles.
4. Simultaneously stroke the hand primer down and close
the fuel return port. This prevents air from entering the
system. Tighten securely.
5. Lock hand primer in position.
V. Bleed Fuel System At Fuel Injection Nozzles
If engine will not start after the bleeding procedures
described above, continue as follows:
1. Place throttle lever in fast idle position.
2. Using two open-end wrenches, loosen fuel line on at
least three nozzles.
3. Turn over engine with starter motor until fuel flows free
from bubbles out of loosened fuel nozzle connections.
Retighten connections.
A
B
A-Fuel Return Line
B-Hand Primer
47
Operator Manual
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