Oliver MODEL 619-MDP, Instruction Manual

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0619S20148 4-5
Replacing The Hydraulic Cylinder
·
Turn the machine on and raise the pressing plate to the top of the hopper and then
turn the dough press off and disconnect it from the power supply.
·
To remove the hydraulic cylinder the front, rear, and side panels must be removed
from the machine.
·
Remove the Pressing Plate and Backing Plate as described above.
·
Remove the bolts securing the starter switch bracket from the hex support rods, and
unplug the pressure switch wires.
DO NOT
disconnect the wires from the starter.
·
Remove one of the snap-rings securing the yoke and safety lock pivot pin. Remove
the pin so that the linkage can be unhooked from the top of the machine.
·
Remove the eight screws securing the cylinder to the cylinder mounting channel.
·
Remove the four bolts securing the cylinder mounting channel to the lower hex
support rods.
·
The upper portion of the divider can now be removed and set to one side.
·
Disconnect both high pressure hoses at the cylinder allowing removal of the cylinder
for repair or replacement.
·
When the machine is reassembled the bolt securing the backing plate to the cylinder
rod should be installed using
“Loctite ®” thread locker to prevent loosening during
operation. All other components can be reinstalled by reversing the above steps.
Removing The Motor
·
Disconnect the machine from the power supply.
·
Remove the front, rear and
“Motor Side” panels.
·
Remove the four screws securing the pump bracket to the front of the motor.
·
Remove the four nuts securing the motor to the base of dough press.
·
Remove the terminal cover on the motor and disconnect the wiring, note the wire
locations to ease replacement of the motor.
·
The motor should now be free and can be removed by sliding the motor, with its half
of the coupling, out of the pump
’s half of the coupling and lifting it free of the
machine.
·
Re-assemble by reversing the above steps.