Section 3 Routine Maintenance
9803/8550
Section 3
Issue 1
10 - 1
Engine
Air Filter
Changing the Elements - for intervals, see Service
Schedule
!!
CAUTION
The outer element must be renewed immediately if the
warning light on the instrument panel illuminates.
2-3-3-1
!!
CAUTION
Do not run the engine when the outer element has been
removed.
16-3-3-1
!!
CAUTION
The inner element of the engine air filter must be
replaced with a new one. Do not attempt to clean or
wash the old element.
16-3-4-1
1 Stop the engine.
2 Gain access to the engine compartment by opening the
bonnet.
3 If changing the inner element, disconnect the filter
induction hose A. Cover the end of the hose to prevent
rain and dirt from getting into the engine.
4 Unscrew wingnut H. Remove the outer element G.
Take care not to tap or knock the element.
5 If required, unscrew nut F and remove inner element E.
6 Clean inside the canister C and dust valve D.
7 Test the seating of seals B and J:
a Smear the seals on the new elements with
grease.
b Insert the new elements in canister C.
c Remove the elements and check for witness
marks on the inside base of the canister.
8 If the seals are secure, re-insert the new inner element
and tighten nut F.
9 Insert the new outer element and tighten nut wing H.
10 Refit the induction hose A (if disconnected). Make sure
that the wire to the Air Filter Blocked switch is attached
to the spade connector.
Note: Do not run the engine with the dust valve D removed.
Note: In dusty conditions, the outer element can be cleaned
by blowing through in the reverse direction with clean dry
compressed air. If the element is damaged, it must be
replaced. A new inner element must be fitted at least every
third time the outer element is changed. As a reminder, mark
the inner element with a felt tipped pen each time the outer
element is changed.
10 - 1
202760
B
A
J
F
E
G
H
D
C
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