page 30 —gb12bw/bs/bp LIgHTINg sYsTeM • operaTIoN aNd parTs MaNuaL — rev. #0 (06/24/13)
maintenanCe
B4
L3
B3
L2
L1
E2
T4
T2
E1 B2
B2
T1
P2
P3
P4
P1
B1
B2
E1

GB12BW

B2
E2
E1
B1
B2

GB12BP

B1
E2

Figure 48. Maintenance Check Points