3-74
V
ARI
*L
ITE
®
-
VL4
W
ASH
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL 02.9628.0010
7-Oct-97
3.3.4.5 Ignitor PCB Removal and Replacement
Parts
:
1 EA PCB ASSY, VL4 IGNITOR (IGN4) (24.9628.0096)
Tools
:
Screwdrivers, Phillips #1 and #2
To remove and replace ignitor board:
Step 1. Remove power to luminaires.
Step 2. Remove 12, 6-32x5/16"PPB screws that secure head covers to
rails and remove both head covers (
Figure 3-1
).
Step 3. At lamp assembly, turn 1/4-turn fasteners and carefully slide
lamp assembly out of luminaire head (
Figure 3-19
).
Step 4. Remove ignitor board.
a. At ignitor board, remove four 6-32x5/16"PPZ screws and
#6 internal tooth lock washers that secure ignitor board to
side rails and pull out board (
Figure 3-23
). White, nylon
0.5 inch spacers may fall off rear of board when board is
removed.
b. At right side, disconnect two-pin red series 30 connector
from board and remove board.
SPARK GAP
6-32X5/16"PPZ SCREW
#6 LOCK WASHER
TWO-PIN SERIES 30
UNDERSIDE
CONNECTOR ON
0.5 INCH OD
NYLON WASHER
Figure 3-23. Ignitor Board and Spark Gap Removal and Replacement
Step 5. Replace ignitor board by doing Steps 2 thru 5 in reverse.
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