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C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-59
02.9631.0010
CONFIDENTIAL
15 Jan 98
3.3.2.3
Gobo/Beam Projector Beam Size Iris Removal and
Replacement
Parts:
1 EA
ASSY, BEAM SIZE IRIS (22.1013.0001)
Tools:
Screwdriver, Phillips #1
Screwdriver, Phillips #2
Diagonal cutters
To remove and replace beam size iris:
BEAM SIZE IRIS
IRIS BULKHEAD
4-40 X 3/16"PFZ
SCREW
BEAM SIZE
IRIS
STOP SHOULD
BE IN FULL
DOWN POSITION
FOR INSTALLATION
GBPASSY2
Figure 3-11. Beam Size Iris Removal and Replacement
Step 1.
Remove power to luminaire.
Step 2.
Remove head assembly covers.
Step 3.
Remove gobo/beam projector. Refer to Gobo/Beam Projector
Removal and Replacement paragraph.
Step 4.
Separate gobo/beam projector bulkheads.
a. At gobo bulkhead, remove top two 6-32x5/16"PPZ screws
and bottom two 4-40x1/4"PFZ screws. One of top 6-
32x5/16"PPZ screws secures tie wrap saddle to gobo
bulkhead (Figure 3-12).