Sciencetech 75W Mercury Light Source Manual
Page 9 of 13
user may adjust the lamp power to the desired value by using the CURRENT control knob.
IMPORTANT:
NOTE 1: After switching the lamp off, it remains hot. It is recommended that you
leave
the cooling circuit on for about 5 more minutes to cool down the housing.
6.
Replacement of Fuses
6.1
External Fuses
To access the external fuses (there are two each 250 Volts and 3.2 Amps Slo Blo), carefully pry
the grey plastic fuse drawer out of the black Schurter module on the back of the power supply with
a small slot screwdriver. See image below:
Replace any blown fuses with the same type only. Four spare fuses have been provided with the
power supply.
6.2
Internal Fuse
To access the internal fuse (250Volts, 1.5 Amps, Fast Blo), first remove slide the cover off the
power supply carefully by first removing the three screws that hold it on at the back.
The cover
cannot be totally removed as it is tethered by a cable to the fan that is hardwired inside
. See the
image below: