MAINTENANCE/SERVICE
Diesel Engine:
Air
Intake System
AIR
ClEANER
IMPORTANT
:
Do
not run
engine
with air cleaner
disconnected
or
disassembled
.
The
air cleaner is equipped with a vacuator
valve
which removes dust continuously from the air
cleaner
housing
.
Check
.tlai1Y:
that
sys
tem is functioning properly:
1.
Remove
air cleaner end
cap
(A).
2.
Check for dust Inside
the
canister.
3.
If dust or debris
Is
present,
clean
canister
and
check for
the
source of
the
contamination.
Possibilities
are:
a)
Obstruction
in
vacuator valve (6). Clean or
replace if necessary.
b)
Loose
connection at any air-intake
hose
clamp.
Tighten hose
clamp.
4.
Replace
air cleaner end cap.
RUB!
ElEMENrS - ClEANING
AND
INSPEcnON
The diesel
engine
air cleaner is equipped with a
restriction gauge
(A)
which signals red when the
primary filter
~ement
requires cleaning. Check
restriction gauge
~
with
engine
running at
full
speed. Never clean filter element unless restriction
gauge signals red. Excessive cleaning will shorten
element life. After clean
ing
, re-set restriction gauge
by
pushing button on
top
of
gauge.
IMPORTANT: The air cleaner is a dual element
type. Clean the primary (outer) element only. Do
not attempt
to
clean the secondary (inner)
element.
If
there Is visible dirt on the secondary
element,
replace both primary and secondary
elements. See "Filter Elements - Replacement" for
normal change
Interval.
To clean air filter element:
1.Remove element from air cleaner canister.
2.Clean inside
of
canister and cover with a cloth.
3.
Inspect element as follows:
-Hold a bright lig
ht
(8) inside element and
check carefully for holes.
Di
scard
any
element
which shows the slightest hole.
-Be sure outer screen
(C)
is
not
dented.
Vibration would quickly wear a
hole
in
the
f~ter
.
-Be sure filter gasket
(D)
is in good condition.
If gasket
Is
damaged or missing, replace
element
4. Pat sides of element gently to loosen dirt. Do
not tap element against a
hard
surface.
62
AIR
CLEANER
RESTRICTION
GAUGE
INSPECT
ELEMENT
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