304Service Manual – CS7010™ 52 - Hopper System
17. Loosen the Plug on the “UP” Hydraulic Hose,
then position the end of the “UP” Hydraulic Hose
over the drip pan.
18. Jog the hopper raise button to run the pump and
force the oil out of the “UP” Hydraulic Hose until
the oil runs clear with no foaming or air evident
in the oil.
19. Remove the Cap from the Lower Cylinder
Fitting.
20. Remove the Plug from the “UP” Hydraulic Hose
and reconnect the “UP” Hydraulic Hose to the
Lower Cylinder Fitting.
21. Press the hopper raise button to raise the
cylinder ram to the end of its stroke to purge the
oil from the top of the hydraulic cylinder. Check
the oil level in the reservoir frequently as you
do this and add oil as necessary. The oil level in
the reservoir should be at the MIN line with the
cylinder ram fully-extended upward.
Note: Be careful not to let the oil level in the reservoir fall below the MIN line to avoid introducing
air into the clevis end of the cylinder. If this happens, you will have to restart the procedure
from step 8.
Plug
“UP”
Hydraulic
Hose
Cap
Lower
Cylinder
Fitting
“UP”
Hydraulic
Hose
Lower
Cylinder
Fitting
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