PERIODIC SERVICE140
BCleaning Pre-Fuel Filter
[M6-131, M6-141]
This job should not be done in the field, but in a clean
place.
1. Close the fuel shutoff-valve.
2. Unscrew the retainer ring and remove the cup, and
rinse the inside with kerosene.
3. Take out the element and dip it in the kerosene to
rinse.
4. After cleaning, reassemble the pre-fuel filter, keeping
out dust and dirt.
5. Bleed the fuel system.
(See "Bleeding Fuel System" in "SERVICE AS
REQUIRED" in "PERIODIC SERVICE" section.)
BReplacing Fuel Filter
1. Remove the fuel filter.
2. Put a film of clean fuel on rubber seal of new filter.
3. Tighten the filter quickly until it contacts the mounting
surface.
Tighten filter by hand an additional 1/2 turn only.
4. Bleed the fuel system.
(See "Bleeding Fuel System" in "SERVICE AS
REQUIRED" in "PERIODIC SERVICE" section.)
(1) Fuel shutoff-valve
(2) Retainer ring
(3) Cup
(A) "CLOSE"
(1) O ring
(2) Element
(3) Spring
(4) Cup
(5) Retainer ring
(1) Fuel filter