6-16 DK451/501/551
A12O624A
(1) Fuel Pipe (2) Air Vent Cock
WARNING
Stop the engine when attempting
the check and change prescribed
below.
Never fail to check the fuel pipe
periodically. The fuel pipe is sub-
ject to wear and aging, fuel may
leak out onto the running engine,
causing a fire.
EVACUATOR VALVE
Open the evacuator valve once a week
under ordinary conditions - or daily when
used in a dusty place - to get rid of large
particles of dust and dirt.
IMPORTANT
The air cleaner uses a dry ele-
ment, never apply oil.
Do not run the engine with filter
element removed.
Be sure to refit the cover with the
arrow
(on the rear of cover)
upright. If the cover is improp-
erly fitted, evacuator valve will not
function and dust will adhere to
the element.
Do not touch the secondary ele-
ment except in cases where re-
placing is required.
(See “Replacing Air Cleaner Sec-
ondary Element” in Every 1 Year
maintenance.)
A12O623A
(1) Fuel Filter Pot
(2) Fuel Filter Cock
1. Moistures and dusts included in fuel
are deposited in the filter. Please drain
the fuel filter by loosening its plug un-
der the fuel filter.
2. Please tighten it out by hand after
drainage. (Not using tools)
3. Bleed the air by pushing down the prim-
ing pump by hand.
4. Bleed the air entirely, then lock the air
plug.
5. Start the engine, and check for oil
leakage.
DEHYDRATE IN THE FUEL FILTER CHECKING FUEL LINE
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