LABEC V-18 - Manual (Page 31)

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Fig.4-3
8. Replace a new pre-aligned lamp provided by or an authorized Service Provider.
Be sure the socket of the lamp flange matches with the positioning bolt. Then tighten
the two screws.
9. Reconnect the wire connector (make sure the wire connection orientation is the same
as step 6 .)
10. Turn on the instrument. After self-testing, select 300 nm and press 【ZERO】 . Check
to make sure that the light beam is focused on the entrance slit of the monochromator.
Since the lamp is pre-aligned, there will be minimum, if any, adjustment required.
Switch the instrument off, re-cover the lamp chamber and tighten the two screws.
Reinstall the instrument cover by positioning the front of the cover first and then sliding the
back of the cover over the backside grill plate. Be sure to prevent all wires from being
pinched in the process.
Reinstall the four screws and the Cuvette Holder Control Knob .
2. Battery Replacement
UV1
6
and 1
8
Series can save many data in the RAM, so a battery must be used in
the mainboard. When the battery is disabled, you’ll have to replace it as the following
indication.
1) Turn off and unplug the instrument ( VERY IMPORTANT: HIGH VOLTAGE ).
2) Unscrew the 13 white screws from the bottom board and remove the board.
(Fig.4-4)
Fig.4-4 Bottom
3) Pick out the old battery and replace a new one. (Fig.4-6)
Fig. 4-5 Main Board
4) Recover the bottom board and tighten the 13 screws.
Battery