MAINTENANCE
Every 1000 Hours
8. Remove the split pin and pull out pins
(6)
.
9. Lift out the radiator
I oil cooler
(b)
and
remove
it.
10. Remove the plug
(1
).
11
. Remove the return filter
(5)
.
Refer to page 124, "Replacing the
Hydraulic
Oil
Return Filter."
12. Loosen the hose clip and remove the
hose
(8)
.
13. Loosen the bolts, and remove the flange
(9)
.
14. Remove the suction strainer
(10)
and
clean
it.
15. Clean the inside of the hydraulic tank.
16. Install the new return filter.
Refer
to
page 124 "Replacing the
Hydraulic
Oil
Return Filter'
'.
17. Install the suction strainer
(10)
to
the
flange
(9)
.
18. Install the flange
(9).
19. Install the hose
(8)
to
the flange
(9)
.
20. Tighten the drain plug
(7)
.
147
21
.
Replenish
hydraulic
oil
up
to
the
middle
of
the
sight
gauge
(2)
through
the
port for
plug
(1
).
22. Tighten the plug
(1)
.
23. Follow the procedure "Bleeding the air"
below
to
bleed the air from the hydraulic
oil circuit.
24. Set the machine
to
the hydraulic oil
level inspection position and inspect the
level after the temperature
of
the oil has
dropped.
Refer
to
page 121, "Inspecting the
Hydraulic
Oil
Level and Replenishing."
Bleeding the air
IMPORTANT: Afterreplacingthehydraulic
oil, bleed the air from the hydraulic circuit
and hydraulic devices. Failure to do so
may damage the hydraulic devices.
• Hydraulic pump
< TL220 I TL230 >
< TL240 I TL250 >
1.
Tilt up the canopy.
2. Remove the plug
(1)
from the hydraulic
pump.
3.
After hydraulic oil overflows from the plug
hole, re-install the plug
(1).
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