B.
Printed Circuit Board Removal.
The lightbar contains two circuit boards. See
figure 5-4. To remove a circuit board, remove and retain
the fasteners which secure the circuit board to the light-
bar.
CAUTION
Unpredictable operation may result if motor
cables, or lamp driver cables, are mixed. Before
removing cables, mark the cables for proper re-
connection when reassembling.
5-4. LED SERVICE.
A.
Pod LED.
1.
Remove dome as described previously in
Section 5-1.
2.
See figure 5-5. Note or mark the screw
location to ensure reassembly in the proper position. Re-
move the Phillips screws retaining the reflector assem-
bly, slide the assembly free, and unplug the electrical
connector.
CAUTION
Do not overtighten screws.
3.
Reassembly is the reverse. Do not over
tighten Phillips screws. Use due caution when replacing
screws in previously installed reflector assemblies to re-
engage the existing cut thread in the plastic reflector.
B.
Trioptic LED SignalMaster Removal and
Installation.
1.
Remove the cover and SmartPod/
SignalMaster board as described in Section 5-3.A.
2.
Disconnect cable connection and
remove cable hold down clamp.
3.
See figure 5-6. Remove the 4 Keps
Nuts securing the SignalMaster to the cover. Remove
the SignalMaster.
4.
Installation is the reverse.
REMOVE AND
REPLACE SCREW
BRACKET
REMOVE AND
REPLACE SCREWS
290A5310-11
Figure 5-5.
290A5310-12B
KEPS NUT
4PL
BOTTOM VIEW
Figure 5-6.
-8-
290A5310-10
SMART POD/SIGNALMASTER
BOARD
MOTHERBOARD
Figure 5-4.
290A5310-09
COVER SCREWS (2 TOP, 2 BACK)
Figure 5-3.
Summary of Contents for SMART VECTOR SL
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