D.
The front safety shields against the lamp explosion are present and in a good condition
They consist of Fresnel lens plus wire guard. The Fresnel lens is made by borosilicate untoughened
glass D = 120 mm. thickness = 4 mm. typ (3 min), compliant to DIN 15560. The wire guard is a
mesh 25 mm. x 25 mm. (or smaller), wire D = 0,8 mm. typ, made by nickel coated steel.
WARNING: SHIELDS, LENSES SAFETY OR DICHROIC GLASSES SHALL BE CHANGED IF THEY
HAVE BECOME VISIBLY DAMAGED TO SUCH AN EXTENT THAT THEIR EFFECTIVENESS IS
IMPAIRED, FOR EXAMPLE BY CRACKS OR DEEP SCRATCHES.
THE LUMINAIRE SHALL ONLY BE USED COMPLETE WITH ITS PROTECTIVE SHIELD
5.
LAMP INSTALLATION AND REPLACEMENT
The following procedure should be adopted:
A.
Ensure the luminaire is electrically isolated from the power supply
B.
Wait least 5 minutes from switching off to avoid risk of injury from possible lamp
explosion. Then open lens door
WARNING: after the above mentioned time the lamp may still be very hot, use proper
thermal protection (Eg. Gloves)
C.
Check that the new lamp is of the correct type (see item 4 C)
D.
Replace the lamp taking good note of the following:
-
do not touch the bulb with bare-hands; oil and grease can contaminate the bulb
surface and than reduce the performance and the lamp life
-
the plastic cover which protects the lamp should not be removed until after fitting
-
Should the bulb become dirty due to hand contact or for any other reaon, it can be
cleaned with a cloth moistened with alcohol
E.
Ensure that the lens door is securely closed
WARNING: THE LAMP MUST BE REPLACED IF IT HAS BECOME DAMAGED OR DEFORMED