Kunststoffschweißtechnik
WIDOS Einsteinstr. 5 Phone +49 / 71 52 99 39 - 0
W. Dommer Söhne GmbH D-71254 Ditzingen-Heimerdingen Fax +49 / 71 52 99 39 - 40
info @ widos.de
http://www.widos.de
25.06.12 Working instructions WIDOS 4001 Page 20 of 59
5. Starting and operating
The indications of this chapter are supposed to instruct you in the operation of the machine
and to lead you during the skilled starting of the machine.
This includes:
• the safe operation of the machine
• using all possibilities
• economic operation of the machine
5.1. Safety indications and Starting
The machine may only be operated by skilled and authorized persons.
A plastic welder exam according to DVS and DVGW can be taken for the
qualification.
• In danger situations for mankind and for the machine, the main power connection has to be
immediately removed.
• In case of power fall, there may still be pressure in the hydraulic system. If required release
pressure.
• At the end of the work and during breaks, the machine has to be switched off.
• Also take care that no unauthorized person have access to the machine.
• Protect the machine from wetness and humidity !
• According to VDE 0100, operation on building sites is only allowed with a current distributor
with FI-security protective switch.
Before starting the hydraulic check the level of the oil in order to avoid
damages on the pump.
If necessary add hydraulic oil of the quality HLPD 32 (Chapter: 7.3, 7.3.1).
The heating element surfaces should be clean, especially non greasy, that’s
why they need to be cleaned shortly before each welding or in case of
dirtiness by means of a fibre-free paper and cleaning agent (e.g. technical
pure alcool) or cleaning cloths which are available at the WIDOS company.
The anti-adhesive coating of the heating element should be undamaged in
the working area
Be sure that all hydraulic and electric connections are connected.
• Take care for the ambient conditions:
• Welding must not be performed at direct sunlight.
• If necessary, use a welding umbrella.
• At an ambient temperature under 5° C take the respective measures:
• if necessary use a welding tent or heat up the pipe ends.
• In addition, take measures against dust.
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