SEF 551.10, Operating Manual, Page: 151 / 238

Page 9.3
9.0 Maintenance and service
Maintenance 551_15 \ 1
1.2014 \
Safety instructions for opening and closing the hood
WARNING
Risk of burns due to high temperatures
Some parts inside the soldering system can reach temperatures
up to 500°C during operation.
y
Wait until the soldering system is completely cooled down
before opening the hood. When hood is opened don't
grasp at the heating chamber without personal protective
equipment.
CAUTION
Heat accumulation / emission of harmful vapours by
switching off to early
y
Don't switch off the soldering system with the main switch
and don't disconnect it from the mains supply during the
cooling phase. This will switch off the fans, the conveyor
and the exhaust box (optional).
This could cause the emission of harmful solder- or adhe-
sive vapours, a heat accumulation in the heating chamber
and thereby damages at the system.
Set system out of
operation
y
After the cooling phase is finished and the soldering sys
-
tem has changed to status "Off" you have to switch off the
system with the main switch, secure it against unintended
restart and disconnect the mains plug.
For cleaning work inside the heating chamber you have to switch off
the soldering oven and open the machine hood.
y
Stop the production and remove all PCBs from the con-
veyor.
y
Press the button <Stop system> . The soldering system
starts with the cooling phase.
WARNING
Risk of injuries due to high weight
The soldering oven 551.10 / .15 has a weight of approx. 175 kg .
The soldering oven 551.19 with base cabinet has a weight of
about
450 kg .