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Discussion Starter #1
hi....sorry for the dumb question as i know this has been discussed mult times in the forum...i have a 1969 spider with an original spica fuel injector pump
(rebuilt once a few years ago by wes)

i want to change the oil in the pump, but want to make sure pull the correct
part off it in order to drain and fill...where is the "logic section"...does anyone have a pic or a description...thanks
 

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Discussion Starter #2
got it thanks!:

1. Remove the three screws holding in the Barometric Compensator (the triangular plate on top of pump. On a 74 and earlier model, note how the detent spring for the temperature lever is positioned. 75 and on don't have the lever.

2. Carefully lift up the BC out of its cavity. The BC consists of a flexible bellows that expands and contracts with atmospheric pressure. You can puncure it if your not careful. The BC is not attached to anything inside the pump. It merely provides a calibration "stop" for the compensator link. DO NOT MOVE THE THROTTLE WHILE THE BC IS OUT OF THE PUMP BODY. Be careful with the BC, it's somewhat fragile. Place it in a protective tray or box on soft cloth. Guard it from damage.
 
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