Lamp Socket Assembly - ETC Source Four jr Zoom Assembly Manual

Lamp socket assembly

Figure 1
21
24
12
Figure 2
10
9
7
Figure 3
16
15
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Source Four jr / jr Zoom Assembly Guide
Tools required: Open-end adjustable wrench or a 7/16" socket,
needle-nose pliers, screwdriver.
1. Install the screw (20) into the light socket baffle casting as
19
2. Insert the bolt (19) through the light baffle socket casting (2).
20 3. Install the green ground wire assemblies (21 and 24) on the bolt
2
4. Place the ceramic TP22 socket (11) into the light baffle socket
5. Place the TP22 mica (9) over the leads, then install the lamp
2
11
5
6. Install the bushing cup (5) into the housing socket casting (1) as
7. Insert the threaded end of the index hub (6) through the holes in
8. Slide the X-Y knob (3) over the exposed index hub bolt (6), then
6
1
3
shown in figure 1. (Also see figure 7 on page 7.)
Note: Do not install the screw if the fixture will be used with 77V
lamps and ETC's Dimmer Doubler. This screw prevents 77V
lamps from being installed.
(19) with the prongs on the crimped connectors toward the
casting. Run both wires through the indent in the lip around the
bolt hole. Secure with nut (12) and torque to 60 inch pounds.
casting (2) as shown in figure 2. Be sure it is well seated. Firmly
push the connectors on the white TP22 leads (10) into the
grooves in the socket.
retainer spring (7). The lamp retainer spring secures the mica.
Insert the spring one end at a time, making sure the rectangular
slot in each side of the spring seats on the corresponding tab in
the casting.
Important: If the spring does not seat correctly, coax it into place
with a screwdriver or needle-nose pliers.
shown in figure 3. The cup should slide smoothly up and down,
but not side to side.
the bushing cup and the back of the housing socket casting (1).
insert the wave washer (16) on the bolt and secure with the 9/16
hex nut (15). Hand tighten the X-Y knob (3).
Note: Install the wave washer with the upward curve toward the
hex nut.
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