Metso NORDBERG LT105, Instruction Manual

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NORDBERG LT105/105S INSTRUCTION MANUAL 7-28-B 02/02
CHAPTER 7 - CRUSHING
7.6 FEED CONTROL
The feeder can be stopped and restarted again
during the crushing process. The “feeder start” and
“stop” buttons are located in the remote control box
on the service platform. If the machine is equipped
with a radio control feature (optional), the feeder
can be started and stopped using the radio control
feature.
To stop and restart the feeder do the following:
1. Stop the feeder during the crushing process
by pressing the "feeder stop" button.
2. Restart the feeder after it has stopped
completely by pressing the "feeder start"
button.
NOTE:
The feeder starts automatically when the
process is started and stops when the process is
stopped. If the hydraulic temperature of the unit is
extremely cold (10
o
C/14
o
F), the system will ask to
carry out a cold start of the process. The feeder will
not start until the temperature of the oil has reached
a certain temperature.
In order to stabilise the feed rate, the feeder always
starts at minimum speed regardless of the speed
setting. After a while the speed changes to the set
value.
In order to control the capacity, the feeder speed
can be adjusted using the crusher speed +/-switch.
The switch is located in the control box on the
service platform.
NOTE:
When the process is running, the
automatic control takes care of stopping of
restarting the feeder. The feeder will stop if the
speed of the crusher decreases or the level indicator
(optional) of the crusher indicates an alarm.
NOTE:
If the feeder speed is too high, stones may
fall over the flanks of the hopper.
NOTE: Radio control will by-pass the feeder
controls located in the control box on the service
platform.
The best capacity can be reached by having the
feeder remain running for as long as possible.
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