C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-33
02.9628.0010 CONFIDENTIAL
7-Oct-97
3.3 Luminaire Maintenance Procedures
3.3.1 Blue/Amber Bulkhead Maintenance
3.3.1.1 Blue/Amber Bulkhead Removal and Replacement
Parts
:
1 EA ASSY, BLUE/AMBER BULKHEAD (VL4) (22.4006.0001)
Tools
:
Screwdriver, Phillips #2
Nutdriver, 5/16 inch
To remove and replace blue/amber bulkhead:
Step 1. Remove power to luminaire.
Step 2. Remove 12, 6-32x5/16"PPB screws that secure head covers to
rails and remove both head covers (
Figure 3-1
).
6-32 KEPS NUT
LAMP ASSEMBLY
BLUE/AMBER
BULKHEAD
LAMP ASSEMBLY MUST BE
REMOVED BEFORE REMOVING
BLUE/AMBER BULKHEAD.
NOTE:
6-32x5/16"PPB
SCREW
Figure 3-1. Blue/Amber Bulkhead Removal and Replacement
Step 3. At yoke termination board, disconnect blue/amber bulkhead
connectors:
a. 4-pin connector from AMBER header marked YTB-P9.
b. 8-pin connector from AMBER header marked YTB-P8.
c. 4-pin connector from BLUE header marked YTB-P7.
d. 8-pin connector from BLUE header marked YTB-P6.