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7. Remove the two white lamp cable wires and disconnect the 4 wire connector. Remove the supply and baffle.
8. Remove the 4 screws from the corners of the power supply. Remove supply.
9. Reinstallation is the reverse process with the brown wire going to J1 and the blue wire going to J2. The longer
of the two lamp cable wires attaches to the (+) lamp HV terminal and the shorter wire attaches to the (-) lamp
return. Refer to "Photo 8" on page 24 to connect the HV+ and lamp return - terminals as shown.
P
R
LATFORM
EMOVAL
1. Remove 9 screws securing top cover and remove the cover. Remove the 5 screws securing the front bezel to
the bottom chassis and pull front panel out from chassis. Remove the lamp from the platform.
2. Remove the 2 screws from the fan deflector assembly.
3. Remove the 4 screws from the corners of the platform.
4. As necessary, remove the 2 screws from the filter assembly.
5. Remove the platform. Reinstallation is the reverse process. Install the front bezel and check for proper
movement of attenuator. Loosen platform screws and reposition as necessary.
F
B
R
RONT
EZEL
EMOVAL
1. Remove 9 screws securing top cover and remove the cover. Remove the 5 screws securing the front bezel to
the bottom chassis and pull front panel out from chassis.
2. Remove wires from power switch noting wire locations. Push on switch from the inside to remove the switch
from the bezel.
3. Using a sharp knife, remove the black RTV from the LED wires where it mounts to the front bezel. Once
removed, apply acetone to the LED and the front bezel to weaken the glue bond and remove the LED from the
front bezel.
4. Installation is the reverse process. To attach the LED, ensure both panel and LED surfaces are clean. Use
superglue, loctite 430 to mount the LED. Use RTV sealant Dow Corning 737 to seal the LED, preventing any
light from the illuminator passing through.
F
D
R
AN
EFLECTOR
EMOVAL
1. Remove 9 screws securing top cover and remove the cover.
2. Remove the 5 screws securing the front bezel to the bottom chassis and pull front panel out from chassis.
3. Remove the overtemp switch from the fan deflector.
4. Carefully remove the heat shrink tubing from the fan wiring harness.
5. Disconnect the connector and remove it from the power supply.
6. Installation is the reverse process with installing new heat shrink tubing over fan connector.
1-16
WELCH ALLYN
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