Nilfisk-Advance CS7000 Service Manual page 269

Service Manual – CS7000
6. Support the hopper lift cylinder and hopper
prop rod. Then remove the
7. Place a drip pan underneath the hydraulic power pack assembly and hydraulic cylinder.
8. Disconnect the
"UP" Hydraulic Hose
Lower Cylinder Fitting
9. Install a into the end of the
Plug
. This will prevent dirt and air
Hydraulic Hose
from being drawn into the
when you run the cylinder rod downward.
10. Rotate the
Lower Cylinder Fitting
direct the oil into the drip pan.
11. Press the hopper lower button to run the
pump and force the oil out of the
until all of the oil has been
Cylinder Fitting
drained from the bottom of the cylinder.
Manually press the cylinder ram down as
necessary to ensure all of the oil is out of the
bottom of the cylinder.
Cylinder Pin
from the
.
"UP"
"UP" Hydraulic Hose
downward to
Lower
External
Retaining
Ring (do not
Flange
remove)
Bearing (2)
Cylinder
Pin
Hopper
Prop Rod
Hopper System
Frame
Weldment
Sleeve
Bearing
(inside
weldment)
"UP"
Hydraulic
Hose
Plug
Lower
Cylinder
Fitting
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