Change procedure with spin-on type filter
I) Loosen the fuel filter turning it counterclockwise with a filter
wrench.
2) With a rag wipe clean the fitting face on the upper cover, so that
new fuel filter can be seated properly.
3) Apply lightly fuel oil to the O-ring. To reinstall, turn the filter
assembly clockwise carefully to prevent the fuel from spilling
until the O-ring is fitted against the sealing face of the filter
cover.
Turn 2/3 turn further with the filter wrench.
Fig. 29
(4)
Feed Pu mp Strainer Cleaning
Clean the feed pump strainer
every
1200
operation
hours.
The strainer is incorporated in the feed pump inlet side joint
bolt.
Clean the strainer with the compressed air and rinse it in the
fuel oil.
62
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