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１１
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7. Fluorescent mercury lamp replacement
Turn off the power supply, loosen the thumb
screw, then take out the lamp holder slowly
and aslant. Loosen the two fixing screws of
mercury lamp, replace the used lamp with a
new one, then screw down the two fixing
screws, take back the lamp holder and
tighten the thumb screw. At last, center the
mercury lamp.
▲
Danger! It is absolutely forbidden to take the
lamp holder out of the lamp house while the
mercury lamp lights on.
▲
The mercury lamp should not be replaced
until it cools down completely.
▲
Clean the bulb with the gauze soaked with a
few mixture of alcohol and ether (4
︰
6).
Stains such as dust and fingerprint are not
allowed on the bulb surface.
8. Replacement of the fuse
Cut off the power supply, screw off the fuse cap on the power source, then
replace the fuse.
Fuse cap
Power switch of
m e r c u r y l a m p
p o w e r s o u r c e
loosen the
thumb screw
then take
out the
lamp
holder
Mercury
lamp fixing
screw
