10-14 CK25/30/35
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.
zz
zz
z Check to see if the evacuator valve
is blocked with dust.
NOTE
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zz
z
The air cleaner uses a dry
element, never apply oil.
zz
zz
z Do not run the engine with filter
element removed.
zz
zz
z 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 ad-
here to the element.
(See “Replacing Air Cleaner
Secondary Element” in Every 1
Year maintenance.)
IMPORTANT
3. Replace air cleaner element:
Once yearly or after every sixth
cleaning, whichever comes first.
EVERY 100 HOURS
CHANGING ENGINE OIL
See "Initial 50 hours" in page 10-8.
1. Remove the air cleaner cover and
element.
2. Clean the element:
1) When dry dust adheres to the
element, blow compressed air from
the inside, turning the element.
Pressure of compressed air must
be under 686kPa (7 kgf/cm
2
, 99 psi).
2) When carbon or oil adheres to the
element, soak the element in de-
tergent for 15 minutes then wash it
several times in water, rinse with
clean water and dry it naturally. Af-
ter element in fully dried, inspect
inside of the element with a light
and check if it is damaged or not.
(1) Element (3) Evacuator Valve
(2) Cover
CLEANING AIR CLEANER
PRIMARY ELEMENT
704OA27C
ADJUSTING CLUTCH PEDAL
See "Initial 50 hours" in page 10-11.