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21
SAFETY
SECTION 1-9
Safety Clothing & Practices
TURN OFF AND LOCKOUT
the power per OSHA 1910.147 OR ANSI Z244.1-1982
(Lockout/Tag-out of Energy Sources).
If it is not possible to lock out the power, have an electrician remove the fuses.
Make sure the rotor has come to a complete stop.
The hydraulic cylinders or jackscrews, which open the machine, should not operate until the rotor is
completely stopped.
If you discover that the hydraulic cylinders or jackscrews DO operate while the rotor is still turning,
immediately shut down the machine and call for maintenance to adjust it.
Wear gloves to protect against injury from the rotor or bed knives.
MACHINE OPENING DEVICES
The BP 2400 Series of granulators have been supplied with two different types of opening devices. These
devices provide access to the Cutting Chamber for both the area above the rotor, mainly for cleaning/knife
maintenance and below the rotor for cleaning/screen maintenance.
The system supplied on your machine may be either an electro-mechanical design (electric jackscrews) or
of a hydraulic design (hydraulic cylinders & power supply). References to both systems appear throughout
this manual. Be sure to follow the instructions that pertain to the system as supplied on your machine.
BE SURE THE ROTOR IS MOTIONLESS BEFORE OPENING MACHINE
Never open or remove any machine components unless the motor is electrically locked out and the
rotor is completely motionless.
The BP 2400 Series machine has a zero speed sensor that detects motion of the rotor. This sensor is
inter- locked to the controls of the two hydraulic cylinders or jackscrews. If it detects motion in the
rotor, it cuts the power to the hydraulic cylinder/jackscrew controls.
If you ever notice that the hydraulic cylinders or jackscrews operate while the rotor is turning, have a
mechanic and electrician check the speed sensor per the procedure in Section 4, entitled Zero Speed
Sensor.