UD Trucks QUESTER Series, Owner'S Manual

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8.INSPECTION AND MAINTENANCE
8-4
8.2 Air cleaner
Inspection and replacement
T h e a i r c l e a n e r f i l t e r i s o f
maintenance free type and cleaning
is not necessary. The vehicle may be
equipped with either of the two air
cleaners.
Air cleaner 1st stage
A i r c l e a n e r 1 s t s t a g e w i t h s a f e t y
element
The vehicle is indicated with an icon
display in the instrument cluster,
which informs the driver about the
clogged air filter.
Evacuator valve
Evacuator valve is an important part
of the functionality of the air cleaner.
I t i s a n i n t e g r a l p a r t o f t h e p r e -
cleaning stage on air cleaner.
Perform visual check and squeeze to
make sure the valve is flexible and
not inverted. Also check whether it is
damaged or plugged.
Inspection and maintenance of air
cleaner
Inspection and replacement proce-
dures: Air cleaner primary filter
1. To access the air cleaner, tilt the
c a b . R e f e r “ C a b t i l t i n g ” i n
Chapter 8.
CAUTION
Do not clean the air cleaner
filter. Always replace the air
cleaner filter.
CAUTION
Make sure that there is sufficient
space in front and above (min 1
meter) of the vehicle before
tilting the cab. Failure to do so
will lead to damage in cab.