ETC Source Four Zoom Assembly Manual page 18

22
9
8
Figure 28
18
Assembling the lens tube; 15°-30° and 25°-50°
21
Figure 27
4
13
12
1
7
6
5
1. Slide the front lens holder (3) into the left-hand top raceway as
shown in figure 27.
2. Slide the rear lens holder (4) into the left-hand bottom raceway
as shown in figure 27.
3. Position the lens assembly gear teeth as shown in figure 27.
4. From inside the unit, place the gear spur (12) between the lens
assemblies. make sure the vertical hash marks on the gear spur
line up with the hash marks on both the front and rear gear
teeth. See figure 26.
5. Slide the spacer (14) onto the screw (15).
6. From inside the unit, pass the screw (15) and spacer (14)
through the washer (13) and insert into the hole on the gear spur
(12).
7. On the outside of the unit, place the adjustment dial (6) over the
screw end (15) and secure with the metal nut (5).
8. Slide the light baffle (11) into the opening of the lens tube.
9. Place the gate assembly (21) onto the rear of the lens tube and
secure with four screws (22).
10. With the extrusion door open, place the gel cap (19) on the front
of the unit and secure with four screws (20).
11. Once the gel cap is in place, close the extrusion door and turn
the fastener (18) one-quarter turn clockwise to secure the baffle
in place.
rear lens
11
10
3
19
alligned hash marks
front lens
gear teeth
16
2
15
14
Electronic Theatre Controls, Inc.
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18
20