Ocean Optics OTS - Manual (Page 21)

B: Specifications
5. Remove the rear of the light source and remove the electronics mounting plate from the unit,
taking particular care not to disconnect the fan wires.
6. Locate the set screw inside a small hole between fan blades. Loosen the set screw slightly with
the provided 1.3mm Allen key, until the bulb is loose and can be pulled out (set screw need not
be removed from light source body).
7. Remove the bulb from the light source.
8. Disconnect the wires from the connection block.
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