System Two LED Installation and Service Manual (1003385 Rev. C)
Page 65
Section 6
Dismantling and re-mounting the securing segment Spring Arm - LCH17
Figure 43: Checking the securing segment
The Figure shows a simplified illustration of the
Spring Arm [5] without light head.
The Light Head is kept in its position in the Spring
Arm by 1 securing segment. If the securing
segment is dismantled, there is a risk of the Light
Head sliding out of the Spring Arm, dropping and
causing severe injury;
To dismantle the securing segment, route the Yoke
Pivot or Monitor Cradle out of the Spring Arm.
Moving the segment securing device
1. Unscrew the Phillips recessed head screw
③
.
2. Push the segment securing device
②
forwards until
the securing segment
①
is accessible.
3. Slightly unscrew the optional brake screw
Dismantling the securing segment
4. While securely holding the Light Head, remove the
securing segment
①
and route the Yoke Pivot out
of the Spring Arm. [5].
5. Check whether the securing segment
①
achieves a
minimum thickness of
0.07” (1.8mm) and a minimum
length of
0.43” (10.9mm); otherwise, replace the
securing segment.
Use a caliper gauge for measurement.
Replace the securing segment
①
if the specified
dimensions are not achieved.
Mounting the securing segment
6. Lubricate the securing segment
①
with white
grease.
7. Lubricate the pivot of the Yoke Pivot with white
grease.
8. Insert the Yoke Pivot into the Spring Arm and then
insert the securing segment
①
.
9. Check that the securing segment
①
is securely in
place;
The Light Head/Yoke Assembly must rotate freely.
Moving the segment securing device
10. Re-tighten the optional brake screw.
11. Push the segment securing device
②
backwards
and screw it on using 1 Phillips recessed head
screw
③
.
Adjusting the vertical lift and the optional brake
12. Adjust the vertical lift of the Spring Arm and the
optional brake.
Mount the cover panels to the Spring Arm.