
System Two LED Installation and Service Manual (1003385 Rev. C)
Page 66
Section 6
Checking the fixing screws on the Spring Arm - LCH17
Figure 44: Checking the fixing screws on the Spring Arm
LCH17
Figure 45: Checking the securing ring on the bottom
Extension Arm towards the spindle
The Figure shows a simplified illustration of the
Spring Arm without light head.
1. Dismantle the cover panels from the Spring Arm
LCH17/LCH19.
2. Check if the 2 Allen cylinder screws
①
actually exist
on the front part and tighten them to 10Nm ± 0.5
Nm.
Use an Allen key (size 5).
3. Mount the cover panels to the Spring Arm LCH17.
Checking the securing ring on the bottom
Extension Arm towards the spindle
The Figure shows a simplified illustration of the
Extension Arm without cables.
Dismantling the side panels from the Extension
Arm
1. Dismantle the cover panels from the Extension Arm.
Dismantling the bottom cover panel
2. Unscrew the 3 cross recessed head screws
①
staggered 90° from the lower Extension Arm cover
panel by approximately 2 revolutions.
Use a Torx T10 screwdriver.
3. Gently remove the bottom Extension Arm cover
panel
②
from the Extension Arm towards the
bottom.
Checking the securing ring
4. Check the securing ring
③
on the bottom Extension
Arm towards the spindle;
The securing ring
③
must be undamaged and
sealed.
Mounting the bottom cover panel
5. To re-mount the Extension Arm cover panel
②
,
proceed in reverse order.
6. Tighten the 3 cross recessed head screws
①
only
manually.
Use a Torx T10 screwdriver.
Mounting the side panels to the Extension Arm
7. Mount the cover panels to the Extension Arm.