9.2
SERVICE CHECK LIST IN DETAILS
9.2.1
CHECK FUNCTION OF EMERGENCY STOP AND SAFETY SWITCHES ON ALL DOORS.
The infeed hopper lid is equipped with a magnetic limit switch connected to a safety plc; when the lid
is lifted the in conveyor stops.
All four inspection doors on the hood are equipped with a magnetic limit switch connected to a safety
plc; when the doors are opened all motors are stopped.
There are two Emergency Stop buttons connected to a safety plc, one at the front and on at the back.
When an emergency stop button is pressed all motors are stopped.
The magnetic limit switch has one closing and one opening contact. The contacts are monitored by a
safety plc. To avoid unauthorised operation of the switch it is only possible to actuate the switch with
a coded magnet. Other magnets, screwdrivers and tools have no affect on the switch contacts.
9.2.2
WARNING – INFEED HOPPER LID
When the infeed hopper lid is opened there is a small warning sign
flashing on the touch screen. When the lid is closed this warning sign
disappears. There is no need to reset the machine after opening and
closing the infeed hopper lid.