Mach M3
Dr. Mach
Lamps and Engineering
4.3 Changing of spare parts
4.3.1 Changing the halogen bulbs
Dr. Mach uses special halogen bulbs as illuminants.
Only original Dr. Mach replacement bulbs may
be used.
The use of other bulbs can lead to a considerable
reduction of the light power and increase in the
thermal load.
The halogen bulbs have a service life of approx.
1200 hours. We recommend changing all halogen
bulbs in a lamp at the same time to keep
maintenance work to a minimum.
• Turn off the lamp.
• Remove the upper housing part of the lamp as
described in chapter 4.2.
ATTENTION: Parts of the housing and the
halogen bulb may be very hot immediately
after use.
• Loosen the red knurled screw 1 and remove the
lamp socket 2 without removing the electrical
connection 3.
• Remove the faulty halogen bulb 4 from the
socket.
ATTENTION: Never touch new halogen bulbs
with your fingers. Always use the original
packaging or a clean cloth.
• Carefully insert the new halogen bulb
(22.8V/50W).
• Re-assemble the lamp in reverse order
1
3
2
4
59200001 Edition 06 28.11.2002 / Bak page 14/22
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