BQ GA 04050 def.pmd - Haag-Streit USA

Appendix B Equipment maintenance
routines
B.1 Replacement of the bulb
The lamp cover can be removed by depressing both pressure
buttons (54) to expose the bulb.
1500.7001000.04050
CAUTION
Before changing the lamp, turn off the switch on
the power supply and disconnect the power cord!
CAUTION
Increased temperatures can occur on the upper
surface of the lamp housing! Allow the light
bulb to cool down before removing it or use
protective gloves to remove.
Use only original HS lamp bulbs!
When installing a new bulb, care should be taken to place the
notch in the centering base into the positioning catch.
Replace the lamp cover and push it down until the two
pressure buttons engage securely.
B.2 Check electrical contacts of bulb and
lamp housing
With suspicion of bad electrical contacts (flickering or loss of
light):
• Clean contact surface (with sandpaper, srewdriver etc.) of
bulb (55), the contact springs in the lamp housing (57) and (58)
• If necessary bend slightly the contact surfaces in the lamp
housing (57) and (58) in direction of the bulb
• Bend slightly both of the retaining clips (56) outwards
B.3 Replacement of the mirror
Removal of the mirror is easiest when the microscope and
illumination unit are well separated and the latter inclined by
10° or so.
54
falsch / faux / wrong
richtig / juste / right
55
56
57
58
© HAAG-STREIT AG, CH-3098 Koeniz, Switzerland
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