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MAINTENANCE/SERVICE
HYDRAULICS:
Hydraulic
Reservoir (continued)
Change
hydraulic
oil
every 600
hours
or 3
years.
To drain
the
reservoir:
1.
Loosen hydrau
lic
fitting
and remove
filler plug
as described under
"To
add hydraulic
oil",
previous
page.
2.
Disconnect the pump
supply hose
(A)
from
the
pump.
NOTE:
A drain
pan with
a
capacity
of
130
litres
(35
U.S
.
gal[ons)
will
be
required.
Hydraulic Oil
Filter
Change hydraulic
oil
filter
(8)
after
the first 100
hours operation and
every
250 hours
thereafter.
T
o
change:
1.
Clea
n
around Ihe filter
head.
2,
Remove the filter 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.
Tum
the filter onto the
mount until the gasket contacts the filter
head.
Tighten
Ihe filter
an
additional 1/2 to
3/4
turn
by
hand
.
IMPORTANT:
Do
not
use
a filter wrench to
install
the
filter.
Over-tightening can
damage
gasket and
filler.
Hydraulic Relief
Press ure
A
possible
cause
of poor
cutting performance
and/or excessive heating
of
hydraulic
oil
is low
relief
pressure.
To
check
relief
pressure,
install
pressure gauge at tapped elbow
(C).
Pressure
should be
4000
psi
(27.6
MPa)
with
tractor
engine
at
operating
speed
and PTO
engaged
.
If
relief pressure
is
low,
replace
relief
valve
cartridge
(D).
ELECTRICAL
Use electrical tape
and
wire clips as required
to
prevent wires from dragging
or
rubbing.
Keep lights
clean
a nd replace
burnt bulbs.
To replace
ligh
t
bulbs:
1.
Using a
screwdriver,
pry
plastic
lens
(8)
from
fixture.
2.
Replace
bulb
and
plastic
lens.
NOTE:
Bulb
trade
#1156.
Wiring Harness:
White
-
ground
Brown
-
red tail light
Yellow
-
LJH amber
Green
-
R/H amber
46
DRAIN
RESERVOIR
AT PUMP SUPPLY
HOSE
O IL FILTER
&
RELIEF VALVE
(SMV
S
IGN
REMOVED FOR
PHOTOGRAPHIC PURPOSES ONLY)
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