50-HOURS SERVICE FOR A
NEW
TRACTOR
1.
Replace
the
engine oil filter and engine oil.
2.
Replace
the
transmission oil.
3. Retighten
all
bolts and nuts, paying special
attention
to
those
of
steering linkage and wheel.
4. Check and adjust
the
fan belt tension.
5. Check the wheels
to
see
if
their condition
is
good and
tire pressure
is
correct.
6. Retighten
the
cylinder head bolts and adjust valve
clearances.
7.
Front
axle diff. case and gear case oil replacement for
4-wheel drive
tractor.
8. Cooling water replacement.
9. Clean
the
air cleaner element.
10. Clean
the
fuel filter.
11. Check
the
front
hu
b for end-play.
12. Check
the
battery electrolyte for it's
level
and specific
gravity.
13. Clean
the
hydraulic
oil
filter.
50-HOUR SERVICE FOR OTHER THAN
NEW
TRACTOR
1.
Cleaning
the
air cleaner element
Blow compressed air to inside
of
an element and clean
it thoroughly.
If
the
element
is
remarkably dirty, wash
it
with a neutral detergent. Wipe off or blow off with
air
the
dust
on
the
dust pan and body.
2.
Clutch adjustment
Adjust
the
clutch pedal so
that
there
is
correct
amount
of free play.
3.
Cooling water replenishment
Check
that
the specified
quantity
of
cooling water
is
entered and
if
-not,
fill
with water up
to
within 25.4
mm
(1
in.) below
the
filler cap. The full
amount
of
cooling water
cannot
be supplied
in
one operation.
When cooling water has been completely drained,
fill
with new water,
then
run
the
engine at low revolution
for a
short
period and
then
fill
to
the specified
level
again.
Check
the
water hose for damage and inspect connec-
tions for leaks.
NOTE
In
cold weather, check the specific gravity of the
antifreeze water mixture.
4.
Tightening nuts and bolts
Tighten
all
nuts and bolts because vibration
is
always
noticed when
the
tractor
is
operated.
At
the
same time,
check
the
ballast weight bolts for tightness.
5. Greasing
See "Greasing diagram".
6.
Check
the
front
hub
for end-play.
7. Washing
the
fuel filter.
8. Inspecting and replenishing with
the
electrolyte
in
the
battery.
B-SERViCE (Every 100 hours
of
operation)
1. Replacing
the
engine oil.
The engine oil should
be
replaced
at
the
first
50
hours
service and again replaced after
another
50
hours of
operation.
Thereafter, replace
the
oil every
100
hours
of
opera-
tion.
2. Replace
the
engine oil filter with a new one.
3.
Check
the
specific gravity
of
the
battery electrolyte.
4. Clean
the
fuel filter.
NOTE
Carry it
out
at
the
same time
as
DAI
L Y INSPECTION
AND A-SERVICE.
C-SE
RV
ICE
(Every 200 hours
of
operation)
Carry
out
as
follows along with
DAI
L Y INSPECTION,
A-SERVICE and B-SERVICE:
1. Replace
the
transmission case oil.
2. Clean up
the
hydraulic oil filter.
3. Replace
the
oil
in
the
front
axle differential case and
the
front
gear case
of
the 4-wheel drive tractor.
D-SERVICE (Every
400
hours
of
operation)
Carry
out
as
follows
at
the
same time
as
DAI
L Y INSPEC-
TION, A-SERVICE, B-SERVICE and C-SERVICE.
1.
Replace
the
air cleaner element.
The element
is
usually replaced
in
every
400
hours
but,
for different operating conditions, judge
the
tim~
ing
of
the
replacement by inspecting the element.
2. Replace
the
cooling water.
3. Clean
the
outside of the radiator.
4. Check
the
valve
clearance.
5. Check
the
injection nozzle.
Check the nozzle condition and injection pressure.
6. Replace the fuel filter.
-21-
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