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Chapter 3---Electrical
Model 250 Service Manual 3-17
5. Disconnect the orange cable attached to the input side of the Igniter
Transformer using the 7/16-inch wrench. This cable will have black shrink
sleeving on it. It goes to the negative terminal of the Arc Lamp Power
Supply.
6. Disconnect the orange Cathode cable from the Igniter ground post using
the 7/16-inch wrench. Remove the other orange cable that goes to the
positive terminal of the Arc Lamp Power Supply.
7. Remove the five #1 Pozi-drive Phillips-head screws.
8. Lift the Igniter Assembly out of projector.
9. Reverse the procedure to install the Igniter Assembly.