77
PERIODIC SERVICE
EVERY 100 HOURS
B
Cleaning Air Cleaner Primary Element
1. Remove the air cleaner cover and primary element.
2. Clean the primary 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 205 kPa (2.1 kgf/cm , 30 psi).
(2) When carbon or oil adheres to the element, soak
the element in detergent for 15 minutes then wash
it several times in water, rinse with clean water
and dry it naturally. After element is fully dried,
inspect inside of the element with a light and
check if it is damaged or not.
3. Replace air cleaner primary element:
Once every 1000 hours or yearly, whichever comes
first.
A
Check to see if the evacuator valve is blocked with
dust.
A
The air cleaner uses a dry element, never apply oil.
A
Do not run the engine with filter element removed.
A
Be sure to refit the cover with the arrow
(on the rear
of cover) upright. If the cover is improperly fitted,
evacuator valve will not function and dust will adhere
to the element.
A
Do not touch the secondary element except in cases
where replacing is required.
(See "Replacing Air Cleaner Secondary Element" in
"EVERY 1000 HOURS or 1 YEAR" in "PERIODIC
SERVICE" section.)
C
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.
B
Adjusting Fan Belt Tension
To avoid personal injury or death:
A
Be sure to stop the engine before checking belt
tension.
1. Stop the engine and remove the key.
2. Apply moderate thumb pressure to belt between
pulleys.
3. If tension is incorrect, loosen the alternator mounting
bolts and, using a lever placed between the alternator
and the engine block, pull the alternator out until the
deflection of the belt falls within acceptable limits.
4. Replace fan belt if it is damaged.
(1) Secondary (safety) element
(2) Primary element
(3) Evacuator valve
(4) Cover
Proper fan belt
tension
A deflection is 12 mm (0.48 in.) when
the belt is pressed (68.6 N [7 kgf, 15.4
lbs]) in the middle of the span.
(1) Bolt
(A) Check the belt tension
(B) To tighten
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