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Intended Use
The machines are intended for the chemico-physical treatment of printed circuit boards.
All other application need our written consent or happen on risk of the operator.
The Bungard GmbH & Co. KG accepts no liability for damages incurred in non-authorised use or
application of the machine.
Safety Instructions
Read all safety and operating instructions thoroughly before using the unit for the first time. Keep this
manual at a safe place in case you need to refer to it again in the future.
The machines are not intended to be integrated or connected with other machines or plants. They may be
operated only in appropriate areas and run only by qualified technical personnel. Children and domestic
animals are to be kept away!
Electrical connection
The machine is manufactured using certified parts according to the usual guidelines for electrical security.
This does not release the user however of his duty to exercise diligence while handling electrically oper-
ated devices.
Before all maintenance work on the machine (filling, emptying, cleaning etc.) switch off the machine and
pull power supply plugs.
Pay increased attention to electrical defects because of the conductivity of etching solution containing
metal salts. In this case pull the plug of the machine and replug only after professional repair. This is also
valid for spilled etching agent. As protection against unintentional contact with chemicals, the machines
are equipped with a cover protection (door contact switch). This switch is connected to the timer and stops
the pump. Note: For job safety examine occasionally the correct functioning of the cover protection. Doing
so wear protective clothing and eye protection.
The machine may be switched on only with filled etching agent chamber. The quartz heater must be al-
ways sufficiently covered with etching agent! Uncovered glow bar may cause destruction of machine! The
correct filling is on height of the sieve.
Never run machine without the sieve over heater, thermostat and and thermal fuse.
Chemicals
If the etching agent is prepared by release from salts or mixing liquids, this must always take place
out-
side
of the machine! Pay attention to the safety references of the chemical manufacturer as well.
Personal protection equipment
While handling etching agents, thus in particular when filling and emptying the machine, wear usual pro -
tection equipment, like apron, gloves and eye protection.
Place of operation
Requirement according to WHG and/or supervision of trade: In order to prevent the penetration of etching
agent into the ground, the machine must be installed a) in a sufficiently large area with chemical-firm, wa-
terproof ground lining (no tiles, no concrete!) or b) in a chemical resistance, waterproof collecting tray (we
offer this as option), which takes up the entire volume of the etching liquid.
We recommend to install an exhaust above the machine for eventual etching steams. This recommenda -
tion is however purely precautionary. Leakage of aggressive steams could not be proven in two independ -
ent investigations. (It escapes water vapour, the salts of the etching agent remains in the solution). An ex-
haust connected firmly to the machine is not possible - risk of damage by negative pressure.
Environmental protection
Bungard Elektronik GmbH & Co. KG, Rilkestraße 1, 51570 Windeck – Germany
Tel.: +49 (0) 2292/9 28 28 - 0, Fax: +49 (0) 2292/9 28 28 - 29, E-mail: [email protected]
