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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