000000-1363-329 SL 120 11.07.200627Replacing the bulbWarningBefore replacing the bulb, switch the instrument off and disconnect thepower cord.Let the bulb cool down or grasp it with protective gloves.• Loosen knurled screw (4, Fig. 25) to remove the cover of the lamphousing.• Withdraw the lamp holder (1, Fig. 25) of the bulb (2, Fig. 25).• Press spring-loaded catch (3, Fig. 25) to unlock the bulb (2, Fig. 25).• Then, pull out the defective bulb while tilting it slightly, if necessary.Without touching the glass bulb, push new bulb (2, Fig. 25) (6 V, 20 W)into the opening until it snaps in. Observe the alignment of thelocating pins.• Slide the lamp holder (1, Fig. 25) onto the contact pins of the bulb(2, Fig. 25).• Let the catch (3, Fig. 25) engage again.• Finally, attach the cover and fix it by means of the knurled screw(4, Fig. 25).1 Lamp holder2 Bulb (6 V/20 W halogen)3 Spring-loaded catch4 Knurled screwFig. 25 Replacing the bulbMaintenance1 2 34

Zeiss SL 120 User Manual