VARILITE VL4 - Lamp Assembly Socket Removal and Replacement

C
HAPTER
3. M
AINTENANCE
P
ROCEDURES
3-67
02.9628.0010 CONFIDENTIAL
7-Oct-97
3.3.4.2 Lamp Assembly Socket Removal and Replacement
Parts
:
1 EA ASSY, VL2X LAMP SOCKET W/SERIES 30 PINS
(22.2521.0001)
Tools
:
Screwdriver, Phillips #1
Screwdriver, slotted #1
Wrench, 1/4 inch, open end
To remove and replace lamp assembly lamp socket:
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
).
Step 3. At yoke termination board, disconnect 8-pin IDC connector
from header marked FOCUS.
CAUTION
: Do not touch glass envelope of lamp with bare fingers. Oils
on fingers will deteriorate glass when heated and may cause glass to
explode.
Step 4. Remove lamp assembly.
a. At lamp assembly, turn 1/4-turn fasteners on rear of lamp
assembly and carefully slide out lamp assembly from
luminaire head (
Figure 3-19
).
b. At lamp assembly opening, remove one 4-40x5/16"PFB
screw, #6 flat washer, and 4-40 KEPS nut that secures lamp
assembly safety tether to luminaire and remove lamp
assembly.
Step 5. Remove lamp.
a. At lamp carriage, squeeze and lift lamp retainer
(
Figure 3-20
).
b. Remove lamp from lamp carriage.