7) Lightly press the bulb into the receptacle after the pins and sockets are aligned.
There should be a slight click to indicate the bulb is properly seated in the
receptacle.
8) Using a Phillips head screw driver lightly tighten the bulb clamp screws. Try and
spin the bulb a little after tighten. If there is no movement then move on to the
next step. However if the bulb moves tighten the clamp screw until the bulb is not
free to move.
9) Place all 4 screws back in the bulb housing and then install the assembly back
into the unit. With the holes lined up tighten down the #4-40 housing screw so
they are hand tight.
10)Attach the probe cover by reinstalling the 4 #4-40 screws.
Specifications
Input: 5.5-9 V, 2A minimum
Bulb: Halogen, 4.25 V, 1.06A, ~650 life hours, Color Temp 3,000°K