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Open valve of bottle slowly
–
The pressure meter (P1) shows the pressure of the bottle. Send the bottle for filling when the bottle pressure
reads 2 bar. Never use the whole contents of the bottle.
–
Open needle valve if there is one in the regulator.
–
Turn regulation screw (52) inwards until hose pressure meter (P2) shows flow (or pressure) required. For regula-
tion of flow amount, the machine must be in operation, and the gun switch should be pressed in simultaniously.
Close valve of bottle after welding has stopped
–
If the machine will be out of use for a long period of time, you should unscrew the pressure regulation screw (52).
Gas bottle
The gas bottle may explode if it falls!
Always fasten the gas bottle firmly in vertical position, to a wall stand or bottle cart, specially designed for it!
For safety reasons always remove the gas bottle from the transport stand of the machine before lifting or car
transport of machine!
Operation and use of power source
See the Main parts.
Main switch
In the zero position all control and welding current circuits of the equipment are dead (without voltage). In position I
the control circuits of the machine become live. The welding circuit is dead, if the welding mode has not been started
with the gun trigger.
Always switch the machine on and off from the main switch. Never use the mains plug for turning the units
on and off!
Adjustment of welding voltage
Table of adjustments, switch positions:
Kempomat 2001
voltage step / open circuit voltage
1 / 1
17,5 V
1 / 2
18,5 V
1 / 3
19,6 V
1 / 4
20,8 V
1 / 5
22,0 V
1 / 6
23,3 V
NOTE ! Table values are measured with rated supply
voltage 240 V.
The welding voltage is adjusted with two turn switches. There is the switch for coarse control, where voltage value
of each step can be fine-adjusted with the second switch.
Pilot lamps
Pilot lamps of the machine report about electric function:
The white pilot lamp is illuminated in position I, indicating that the machine is connected to mains voltage.
The yellow pilot lamp is illuminated, when thermal protection of the machine has been released due to overheating.
The protection releases if the power source is continuously loaded over rated values or the cooling air circulation
has been obstructed.
The cooling fan cools down the machine and after the pilot lamp has switched off. The machine is again ready for
welding from the gun trigger.
Control fuse
On the rear plate of the power source, the control fuse 8 A delayed is the short-circuit protection. Use the fuse size
and type according to markings. Damage caused by the wrong type fuse is not covered by the guarantee.
Adjustment for arc force
Arc force is set by connecting the return current cable to one of the two dix-connectors on the front plate.
The connector marked with symbol I gives a rougher arc, which is used for welding of thin sheets and ferrous
metals by lower currents. Especially consider CO
The connector marked with symbol II is suitable for greater currents and especially for aluminium and stainless
materials. The most suitable force is, however, most dependent on the welding case. You will find the best results by
testing the different positions.
10
/ 1921710E / 0040
2 / 1
24,8 V
2 / 2
26,8 V
2 / 3
29,0 V
2 / 4
31,6 V
2 / 5
34,5 V
2 / 6
37,5 V
I
, II
shielding gas.
2
Kempomat 2501
voltage step / open circuit voltage
1 / 1
17,3 V
1 / 2
18,0 V
1 / 3
18,8 V
1 / 4
19,7 V
2 / 1
20,7 V
2 / 2
21,7 V
2 / 3
22,9 V
2 / 4
24,1 V
3 / 1
25,5 V
3 / 2
27,1 V
3 / 3
28,9 V
3 / 4
30,9 V
4 / 1
33,0 V
4 / 2
35,6 V
4 / 3
38,7 V
4 / 4
42,3 V
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