G
GENERAL
B1700·B2100·B2400
WSM,11770
(4) Check Points
of
Every 100 Hours
Compressed air
tleaning
method
Changing Engine Oil
Refer
to
page
G-12.
Cleaning
Air
Cleaner Element
1.
Remove
the element.
2.
Clean
the element:
1) When dry dust adheres
to
the element,
blow
compressed
air from the inside
turning
the
element. Pressure
of
compressed air must
be
under
686
kPa
(7
kgf/cm
2
,
99
psi).
2)
When carbon or oil adheres
to
the element, soak
the
element in detergent
for
15
minutes then wash
it
several
times
in
water,
rinse
with
clean
water
and
dry
it
naturally.
After
element
is
fully dried, inspect inside
of
the element
with
a
light
and check
if
it
is
damaged or
not. (referring
to
the instructions on
the
label attached
to
the element.)
3.
Replace
air cleaner element
if
:
Once yearly or after every sixth cleaning, whichever
comes
first.
_IMPORTANT
•
The
air cleaner
uses
a
dry
element, never apply oil.
•
Do
not
run the engine
with
filter
element removed.
• Make sure the
wing
nut or bolt
with
rubber dust
seal
for
the
element
is
tight
enough.
If
it
is
loose, dust and
dirt
may
be
sucked in, wearing
down
the cylinder and piston rings earlier and thereby resulting in
poor power output.
•
Be
sure
to
refit
the dust cup
with
the
arrow
t (on the rear)
upright.
If
the dust cup
is
improperly
fitted,
dust
passes
by
the baffle and directly adheres
to
the element.
_ Evacuator Valve
Open
the
evacuator valve once a week
under
ordinary
condition - or daily when
used
in a dusty place -
to
get rid
of
large particles
of
dust and dirt.
Cleaning
Fuel
Filter
When operation period
reaches
approx.
100
hours, clean the
fuel fi Iter.
This
job
should not
be
done in the field,
but
in a clean place
so
as
to
prevent dust from entering fuel
system.
1.
Close
the fuel
filter
cock.
2.
Unscrew and remove the screw ring, and remove the
filter
bowl (3), and rinse the inside
with
kerosene.
3.
Take
out
the element
(2)
and dip
it
in the kerosene
to
rinse.
4.
After
cleaning reassembling the fuel filter, keeping
out
dust
and dirt.
S.
Bleed the fuel
system.
(Refer
to
G-2S)
_IMPORTANT
•
If
dust and
dirt
enter the fuel, the fuel pump and injection
nozzle are subject
to
wear.
To
prevent this,
be
sure
to
clean
the
fuel
filter
bowl periodically.
(1) O-ring (4) Screw
Ring
(2) Element (5) Fuel Filter Cock
(3) Filter Bowl
(3) Evacuator Valve
0354F113
C047F050
(1) Element
(2)
Wing
Bolt
G-18
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