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 scavenging
system which removes dust continuously from the
air
cleaner housing.
Check daily that system is functioning property:
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 scavenging hose (B).
b) Loose connection
at
any
air-intake hose
clamp.
c) Check valve in scavenging system not
functioning.
4.
Replace air cleaner end cap.
FILTER
ELEMENTS
-
CLEANING
AND
INSPECTION
The diesel engine air cleaner is equipped with a
restriction gauge
(A)
which signals red when
the
primary filter element requires cleaning. Check
restriction gauge daily with engine running
at
full
speed. 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.
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 light
(B)
inside element and
check carefully for holes. Discard any element
which shows the slightest hole.
-Be sure outer screen
(C)
Is not dented.
Vibration would quickly wear a hole in the filter.
-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.
67
..
AIR
CLEANER
RESTRICTION GAUGE
INSPECT ELEMENT
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