Martin MAC 550 Profile User Manual page 23

4. Position the head top side up so that you have access through the top. Holding the focus lens by its
base, slide it out it to its limit at the front of the fixture as shown in Figure 15.
Head top side up
5. Flip the head upside-down. Move the prism lens to its forward limit by pulling on its belt as shown in
Figure 16.
Head upside down
6. Flip the head top side up again. To avoid bending the gobo animation wheel when you remove the
module, move the wheel in towards the center of the module by inserting a finger and rotating the
positioning belt idler pulley at the top of the module as shown in Figure 17.
Figure 15: Moving the focus lens forward
Figure 16: Moving the prism lens forward
Figure 17: Retracting the gobo animation wheel
Routine maintenance 23