
MAC 250 Beam Installation Note 3
5. See Figure 3. Fasten the new front lens
mounting bracket (P/N 62420240) supplied in
the Kit to the front of the head using the four
M4 X 12 Torx 20 screws (P/N 08070710) also
supplied in the Kit. Apply a very small quantity
of Loctite to the threads before tightening the
screws.
If you reinstall the original front lens at a later
date to return the fixture to standard MAC 250
Wash configuration, re-use these Torx screws.
6. See Figure 4. Remove the four screws
(arrowed) that hold the aperture plate in place inside the front
of the head. See Figure 5. Remove the aperture plate and
install the new aperture plate with shield plate (P/N
23819530) supplied in the Kit in its place, re-using the
original four screws. The shield plate in the aperture plate
must face upwards as illustrated to protect the wiring in the
head from sunlight that might be focussed into the head by
the new front lens assembly.
If you reinstall the original front lens at a later date to return
the fixture to standard MAC 250 Wash configuration, you
must remove the new aperture plate together with the new
front lens assembly.
Figure 3
Figure 4
Figure 5
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