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MAINTENANCE/SERVICE
Hydraulic System
HYDRAULIC
OIL
Change
hydraulic
oil every 2000 hours.
To
change:
1.
Remove drain plug
(B)
from bottom of reservoir.
Allow oil to drain.
NOTE: A
drain pan with
a
capacity
of 17 U.S.
gallons (65 litres) will be
required.
2.
Replace the hydraulic oil
filter.
See
"Hydraulic
Oil Filters"
in
this section.
3.
aean off any metal
debris which may have
accumulated
on magnetic drain plug. Replace
plug
(B).
4.
Fill the system with oil through
the
filler
neck.
See
"Fuels,
Fluids and
Lubricants" for recom-
mended
oil
type.
Check oil level with dipstick
periodically
during filling to prevent spill-over.
CAPACITY:
Reservoir only: 15.2 US gal. (57 litres)
Total system: approximately 20 US gal. (75
litres)
(varies with options)
HYDRAULIC OIL FlLTER(S)
The
main
hydraulic
oil filter
is
equipped with
an
indicator
to signal when filter element
requires
changing.
•
Check the indicator
(A)
daily during the break-
in
period and every
50
hours thereafter.
•
Main
filter (B) is located at right side of engine
compartment, under side panel.
For
tractors
equipped
for
"Harvest"
and
"Multi-Crop"
Headers, a second filter
(C)
is located
in
the
conveyor drive
return
line
on left side, just
forward of hydraulic reservoir.
•
Check Indicator with engine running full speed.
•
When
indicator touches
the
red
area,
change
filter element(s).
To change:
1.
aean around the filter head.
2. Remove
the
filter element and clean the gasket
surface of the filter head.
3. Apply a thin
film
of clean oil to the gasket on
the
new
filter.
4. Install new filter. Turn the filter onto the mount
until the gasket contacts the
filter
head. Tighten
the filter an additional 1 /2 to 3/4 turn by hand.
IMPORTANT:
Do not use a filter wrench to
install
the oil filter. Over-tightening can damage gasket
and filter.
TO DRAIN HYDRAULIC OIL
HYDRAULIC OIL
FILTER
INDICATOR
HYDRAULIC OIL FILTERS
91
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