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C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-89
02.9631.0010
CONFIDENTIAL
15 Jan 98
Step 7.
Remove lamp assembly from luminaire.
a. At lamp assembly, turn 1/4-turn fastener on rear door and
open rear door (Figure 3-18).
b. Turn two 1/4-turn fasteners on lamp mounting plate to free
lamp mounting plate from reflector bulkhead.
c. Carefully slide out lamp assembly from luminaire head.
d. At cable side rail cover, remove 6-32x3/8"PPZ screw and
#6 flat washer that secures lamp assembly safety tether to
cable side rail cover and remove lamp assembly.
Temporarily re-install screw and washer in cable side rail
cover.
Step 8.
Remove lamp from lamp carriage.
a. At lamp carriage, squeeze and lift lamp retainer.
b. Grasp lamp at porcelain base and remove bulb from lamp
carriage.
Step 8.
At reflector assembly, remove three 6-32x5/16"PPZ screws that
secure reflector assembly to luminaire head and remove
reflector assembly (Figure 3-19).
Step 10.
Remove iris baffle (Figure 3-23).
a. At iris baffle, remove two 6-32x5/16"PPB screws that
secure iris baffle to side rails and remove iris baffle.
Step 11.
Remove cable side rail cover (Figure 3-26).
IGNTB
SPARK GAP
SERIES 30 CONNECTOR
CABLE SIDE RAIL
IGNITOR BOARD
#6 INTERNAL TOOTH
LOCK WASHER
0.5 INCH OD
NYLON WASHER
6-32X1/4"PPZ SCREW
Figure 3-26. APS Ignitor Assembly Removal and Replacement
a. At lamp connector bracket, remove three 4-40x1/4"PPZ
screws and KEPS nuts that secure bracket to cable side rail
cover. Remove bracket and side rail cover.