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4
Equipment maintenance routines
The slit lamp BP 900
in combination with the illumination
®
set LI 900
may be used without any maintenance during the
®
entire life cycle.
4.
Replacement of the bulb (not for LI 900
The lamp cover can be removed by depressing both pressure
buttons (65) to expose the bulb.
CAUTION
Before changing the bulb, 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 (66) 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.
4.
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
(67), the contact springs in the lamp housing (69) and (70)
• If necessary bend slightly the contact surfaces in the lamp
housing (69) and (70) in direction of the bulb
• Bend slightly both of the retaining clips (68) outwards
4.3
Use of contact medium on the electrical
contacts of the bulb and lamp housing
At each change of light bulb, lubricate the contact points (A)
and (B) with enought contact medium. The contacts of the bulb
and the lid of the lamp should not show any scorch marks.
•Fit the lamp cover and remove it to check if there is enough
contact medium on the points of contact (C) and (D). Reapply
some medium if needed.
•The product does not require labeling. (Perfluorocarbons,
Polyetheroil PTFE).
Avoid contact with skin and eyes!
)
®
65
A
66
67
68
69
70
1500.7200615.04030
B
B
A
© Haag-Streit AG, 3098 Koeniz, Switzerland
5
C
D
5
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