9 - MAINTENANCE/ADJUSTMENTS
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5. To check the above setting, start the engine and
move the separator drive switch to ON. Open the
variable pulleys by pushing the rotor switch to the
slow speed rotor drive position until there is a
decrease of 100 RPM in the rotor speed. Close
the variable pulleys by pushing the rotor switch to
the fast speed rotor drive position until the motor
shuts OFF. The distance between the jackshaft
pulley halves at the outer edges must be 79 mm
(3.11 inch).
6. To set the rear limit switch, start the engine and
move the separator drive switch to ON. Open the
variable pulleys by pushing the rotor switch to the
slow speed rotor drive position until there is a
distance (6) of 105.84 mm (4.17 inch) between
the jackshaft pulleys at the outer edges.
7. Loosen the rear limit switch and rotate the rear
limit switch toward the sprocket until the switch
clicks. Tighten the switch.
8. To check the rear limit switch setting, start the
engine and move the separator drive switch to
ON. Close the variable pulleys by pushing the
rotor switch to the fast speed rotor drive position
until there is an increase of 100 RPM in the rotor
speed.
9. Open the variable pulleys by pushing the rotor
switch to the slow speed rotor drive position until
the motor shuts OFF. The distance between the
jackshaft pulleys at the outer edges must be
105.84 mm (4.17 inch).
NOTE: The front and rear limit switches must be set
correctly to prevent an overload on the thrust bearing
when the rotor is run at fast speed or to prevent
locking up the threads when the rotor is run at a slow
speed. Check the position of the limit switches after
rotor drive belt or limit switch replacement. Adjust as
needed.
424L8
6
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