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MAINTENANCE/SERVICE
Form 169304
111
Model Year - 2009
7.8.4
Air Intake System
IMPORTANT
Do not run engine with air cleaner
disconnected or disassembled.
Engine intake air (A) is drawn through a duct (B)
from the cooling box that pre-cleans the air, then
through a dual element filter (C) to the turbo-
charger intake (D). The charged air then passes
through a cooler and into the engine. The air
cleaner canister is equipped with a vacuator
valve (E) that removes dust continuously from
the air cleaner housing. The air cleaner is also
equipped with a mechanical sensor (E) which
indicates when the primary filter element
requires cleaning.
7.8.4.1 Restriction Gauge
The air cleaner is equipped with a restriction
gauge which signals red when the primary filter
element requires cleaning. Check restriction
gauge daily. Never clean filter element unless
restriction gauge signals red. Excessive cleaning
will shorten element life. After cleaning, re-set
restriction gauge by pushing button on top of
gauge.
7.8.4.2 Air Filter Servicing
DANGER
Stop engine and remove key from ignition
before leaving operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Open engine compartment hood to highest
position.
b. Slide yellow locking tab (F) to release canister
end cap and rotate end cap counterclockwise
until it stops.
c. Pull off end cap.
d. Check the vacuator valve (E) daily for
obstructions or damage. Clean or replace if
necessary.
e. Pull out the primary filter element (H) and
inspect as follows:
(continued next page)
A
B
C
E
D
F
H