PERIODIC MAINTENANCE
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Clean air cleaner element
CAUTION
Flying Object Hazard!
• Always wear eye protection
when servicing the engine and
when using compressed air or
high-pressure water. Dust,
flying debris, compressed air,
pressurized water or steam may
injure your eyes.
• Failure to comply may result in minor or
moderate injury.
Note that a typical air cleaner is shown in Figure 13
and Figure 14 for illustrative purposes only.
Figure 13
Figure 14
The engine performance is adversely affected when
the air cleaner element is clogged with dust. Be
sure to clean the air filter element periodically.
1. Unlatch and remove the air cleaner cover
(Figure 13, (1)).
2. Remove the element (Figure 13, (2)) (outer
element if equipped with two elements).
3. Blow air (Figure 13, (3)) through the element
from the inside out using 42 - 71 PSI (0.29 -
0.49 MPa, 3.0 - 5.0 kgf/cm
2
) compressed air to
remove the particulates. Use the lowest
possible air pressure to remove the dust without
damaging the element.
4. If the air cleaner is equipped with a double
element, only remove and replace the inner
element (Figure 14, (1)) if the engine lacks
power or the dust indicator actuates (if
equipped).
Note: The inner element should not be
removed when cleaning or replacing the
outer element. The inner element is used
to prevent dust from entering the engine
while servicing the outer element.
5. Replace the element with a new one if the
element is damaged, excessively dirty or oily.
6. Clean inside of the air cleaner cover.
7. Reinstall the element into the air cleaner case
(Figure 13, (4)).
Note: If there is a red line (Figure 14, (2)) in
the outer element, reinsert the element
until the overlap position of red line and
end face of the air cleaner case.
8. Reinstall the air cleaner cover making sure you
match the arrow (Figure 13, (5)) on the cover
with the arrow on the case (Figure 13, (6)).
9. Latch the air cleaner cover to the case.
NOTICE
• When the engine is operated in dusty conditions,
clean the air cleaner element more frequently.
• Never operate the engine with the air cleaner
element(s) removed. This may allow foreign
material to enter the engine and damage it.
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TNV_OperationManual_T4(under 19kW).book Page 78 Wednesday, June 17, 2015 11:23 AM
