26 MAC 575 Krypton
5. Flip the head upside-down. Move the focus lens to its forward limit by pulling on its belt as shown in
Figure 16.
6. Unlock the gobo module by pulling the levers on each side towards the center. Lift the module up 1 cm
(0.5 in.) and release the levers. Lift the module straight up to remove from the head.
7. When reinstalling the module, verify that the guide pins are correctly seated and that the module is
securely locked.
Cleaning
Regular cleaning is very important for fixture life and performance. Buildup of dust, dirt, smoke particles, fog
fluid residues, etc. degrades the fixture’s light output and cooling ability.
Cleaning schedules for lighting fixtures vary greatly depending on the operating environment. It is therefore
impossible to specify precise cleaning intervals for the MAC 575 Krypton. Cooling fans suck in airborne dust
and smoke particles, and in extreme cases fixtures may require cleaning after surprisingly few hours of
operation. Environmental factors that may result in a need for frequent cleaning include:
• Use of smoke or fog machines.
• High airflow rates (near air conditioning vents, for example).
• Presence of cigarette smoke.
• Airborne dust (from stage effects, building structures and fittings or the natural environment at outdoor
events, for example).
If one or more of these factors is present, inspect fixtures within their first 25 hours of operation to see
whether cleaning is necessary. Check again at frequent intervals. This procedure will allow you to assess
cleaning requirements in your particular situation. If in doubt, consult your Martin dealer about a suitable
maintenance schedule.
Use care when cleaning optical components and work in a clean, well lit area. The coated surfaces are
fragile and easily scratched. Do not use solvents that can damage plastic or painted surfaces.
Figure 16: Moving the focus lens forward
Head upside down
Figure 17: Gobo module locking levers
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