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CYLINDER REMOVAL AND REBUILDING
CYLINDER REMOVAL
Close the feed gate.
Turn on power and lower the platen using the MANUAL DOWN button. Turn off power.
Disconnect and Lock-out and Tag-out power per instructions on page 2-1.
Open the bale door. When the bale door is opened, the feed gate will raise.
Support platen with fork lift to take pressure off of the cylinder pins and to prevent the platen from
falling when pins are removed.
Remove bolts and cotter pins from the cylinder pins.
Remove platen from front of baler.
Turn on power and retract cylinder rods.
Disconnect and Lock-out and Tag-out power per instructions on page 2-1.
Relieve hydraulic pressure by manually depressing solenoid valve (both sides).
Relieve pressure on the counter balance valve. Loosen the locknut on the counterbalance valve
and adjust the valve clockwise all the way in to relieve the pressure.
Disconnect one hydraulic hose at a time. Plug the hose port before disconnecting another hose.
NOTE: Remove hose fittings slowly.
WARNING: BE SURE HYDRAULIC CYLINDERS ARE SECURELY SUPPORTED BEFORE
PROCEEDING.
With the hydraulic cylinders supported, remove the cylinder pins.
Remove cylinders.
Before reinstalling cylinders, check cylinder pins, bolts, and cylinder rods for signs of fatigue. Do not
reuse parts if wear or cracks are present.
To reinstall the cylinders, reverse the above steps.
NOTE:Use new bolts, nuts, and cotter pins when re-installing the cylinder pins.
After reinstallation of cylinder(s), readjust pressure on the counter balance valve. See Page 2-4 for
proper procedures.
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DANGER: DO NOT CLIMB ON SIDES OF BALER. USE A LADDER OR WORK PLATFORM WHEN
WORKING ON TOP OF THE BALER OR OTHER AREAS OF THE BALER THAT CAN NOT BE
REACHED FROM GROUND LEVEL.
WARNING: FEED GATE WILL EXTEND ABOVE THE TOP OF THE BALER WHEN THE FEED GATE
IS RAISED.
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CYLINDER REBUILDING
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Remove hydraulic cylinder from baler.
Remove retainer nut from gland.
Remove internal retaining ring.
Remove rod from cylinder barrel.
Remove piston locknut and piston from cylinder rod.
Replace all seals. Discard old seals and old piston locknut.
Replace gland on rod.
Install piston on cylinder rod using new locknut (included in seal kit).
NOTE: Do not reuse old locknut. Torque new locknut to 275 - 330 ft-lbs.
Install piston and rod assembly in cylinder barrel. Be careful not to damage seals.
Install gland in barrel. Install internal retaining ring.
Install retainer nut to gland. Reinstall cylinder in baler.
2 MAINTENANCE