6
polarity) the battery adapter can be reinserted (please
observe the guides in the adapter and battery compartment
when doing this). Then screw the cap back on.
Please make sure the lamp has been screwed together
completely before switching it on again.
Fig. 2
Battery replacement
• Only use type-tested batteries
(see Ex-Safety Manual, table in section 6)
• Always replace all batteries simultaneously.
• Pay attention to the correct polarity.
• Dispose of depleted batteries in an appropriate and
environmentally friendly manner!
• When changing the batteries examine the threads and
seals for cleanliness and signs of damage.
• If you notice any spilled electrolyte when changing the
battery, do not take the unit into the Ex-area, but send it
to the manufacturer for inspection.
3.4 Cleaning the ring switch
A non-contacting ring switch is used to switch on the Lite-
Ex
®
PL 10e H (see 3.2). Dirt and moisture do not impair
the switching function. The ring switch is easy to clean if
excessive amounts of dirt and grime have made it difficult to
turn. Start by unscrewing the lamp head. The ring switch can
now be removed and cleaned. When it has been cleaned,
