Replacement Lamp Mounting Instructions
- Unplug the 1212 cold light head and remove
it from the enlarger.
- Remove the diffusion bezel/frame holding
the diffuser and keep
it safely aside- do not scratch.
- Place the cold light head with the lamp
facing down on the table.
- Unscrew the sheet metal screws holding the
back cover.
- Separate unit back cover from the lamp
housing
- Undo the connections between lamp and
Transformer.
(By unscrewing the wire nuts.)
- Cut the silicone between lamp housing and
glass by a using
a sharp knife or blade.
- Turn the 1212 lamp housing over so that
the lamp is facing upwards.
- Cut the tie wires holding down the lamp on
the metal bars.
- Cut the silicone by using a sharp knife or
blade between the lamp and the two aluminum tie bars.
- Carefully pull
the lamp out of it’s housing.
- Clean the aluminum tie bars of the
silicone.
Option:
At this point in the process it is a good idea while the lamp has been
removed to repaint the reflector if needed. First use a flat white paint
and allow to dry completely according to manufactures instructions. Then
paint a 6-inch pewter gray circle in the middle of the reflector housing
- Apply Silicone to the Aluminum tie bars.
Le dry for a few
hours to semi-harden
- Place the replacement lamp on aluminum tie
bars, centered the lamp.
Tie the lamp down with wire to aluminum tie bars.
- Turn the replacement lamp body upside down
- Put extra thick Silicone near the
electrodes
- Re-do the connections between lamp and
Transformer.
Reconnect one transformer black wire to one lamp wire.
Repeat the same with the second black wire of the transformer
to the other lamp wire. (Use the
wire nuts you had removed earlier)
- Replace lamp housing and cover
- Re-Screw on the back cover with the sheet
metal screws.
- Turn the housing over and put on diffusion
plate and bezel
Caution:
Instructions are for guidance only.
Aristo/Voltarc will not be responsible for any damage to lamp
or lamp housing for items improperly installed. |