Maintenance - Cebora Spot 2500 Instruction Manual

5) Rest the gun near the earth; wait for the machine to
detect the contact and make the spot-weld.
6) Raise the gun and turn the nut screwed onto the
earth probe clockwise.
6 WORKING WITH MULTIPLE OPERATORS
It may occur that multiple operators need to use the
machine with different settings; this is why the USER
function was introduced.
This function allows you to save and call up customized
values, always recording the last value set for each pro-
gram and for each operator level.
The LED B lights if the machine is being used by an
operator. Briefly pressing the key A causes the display R
to show the letter L followed by a number, which is the
one selected by the user. Press it briefly again to con-
firm the operator and re-enable use of the power
source.
How operator recognition works.
Briefly pressing ("brief" means less than 0.7 sec ) the
button A (USER) causes the display R t show the
abbreviation L1 (level 1), and LED B is off; pressing the
S key activates level 2 and activates the function. The
LED B lights and the display R shows the abbreviation
L2. Pressing the key A confirms the level shown on the
display and enables power source operation.
The operator may activate, select, and adjust the
desired functions. The settings are saved in the various
operating modes whenever the function changes, or 5
seconds after the last adjustment.
Let us imagine that operator 1 has stopped using the
machine, and a second operator wishes to set up his
or her work.
The LED B lights to signal to the second operator that
the machine is already being used by a colleague; s/he
then presses the key A. Display R shows the abbrevia-
tion "L2" (abbreviation of the operator who is using the
machine). S/he selects level "L3" and confirms it by
pressing the key A. At this point the machine suggests
the settings, corresponding to the various functions set
in "L3"; at this point the new user may set his or her
adjustments without changing the settings already
saved by "L2."
TO EXIT DAL OPERATOR RECOGNITION SIMPLY select
level L1. The LED B shuts off. Then briefly press the but-
ton A to confirm exiting the function.
The button on the back of the gun allows the operator
to select the machine functions without moving from the
working position.

7 MAINTENANCE

Keep all instructions and figures on the welding machine
clear and legible. The mains cable and welding cables
must be insulated and in perfect condition; be careful at
the flex points: near the connector terminals, earth
clamps and gun input. All maintenance operations must
be carried out by qualified personnel.
Before removing the panels, make sure that the machine
plug is disconnected from the power supply panel.
The electrodes in use must be frequently cleaned of fer-
rous waste.
Periodically remove oil and grease NOT USING
SPRAYED WATER NOR SOLVENTS ON THE PAINTED
PARTS.
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