Univex GL50, Parts And Maintenance Manual

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CONTROL OF INSTALLED SAFETY SYSTEMS AND ELECTRICAL
SYSTEM:
The installed safety systems and t he electrical system are subject to periodical checks carried out by a
specialised electrician.
Key of control intervals:
(INTERVAL)
Key of how to carry out the controls:
(METHOD)
d = daily.
w = weekly.
m = monthly.
a = annually.
O = observation: requires simple eye check (i.e. alarm light)
F = Function: requires a physical control of the action (i.e. pressing the
emergency button the mixer must stop)
M = Measurements: requires a c ontrol with an appropriate instrument (i.e.
control of earthing values).
Master switch.
Purpose: protection of power line.
Function: this equipment separates the machinery from the mains, it is placed on
the upright of the mixer, downstream the differential protection board.
Safety micro switch of grid.
Purpose: stop the machine temporarily. Function: by lifting the protection grid, the
motor power supply interrupts, temporarily stopping the machine. To reset the
machinery functioning, lower the grid and press the START button.
Stop Circuit (emergency).
Purpose: to stop the mixer immediately and unconditionally. Function: pressing
the STOP button cuts the power supply to the mixer, stopping it totally and not
systematically. To restore functioning of the machinery, the operator must release
the emergency button and start the cycle once again by pressing the START
button.
Controls of system
Periodically the mixer's automation functioning and earthing must be c hecked.
The operating modes, safety functions, terminal board contacts need t o be
controlled as well as the integrity of the cables, luminous LEDs and ear thing
system.
Control
Interval Method
a F
Control
Interval Method
m F
Control
Interval Method
m F
Control
Interval Method
a F
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GL50 MIXER