Quote:
Originally Posted by Rob
It is very important that we find out if the pinion gear is the same on the 9012 and 9003 motors. If it is not, I need to find out how many teeth each has so I can be sure to have the appropriate parts to put the 9003 pinion on the 9012 motor. If anyone can help with this we will be eternally grateful.
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If they're the 9003s left over from last year, they have the 19 tooth pinion, like the current 9012. You can verify things without taking the assembly apart by looking for a raised "19" in two places on the black (or white) F-P gearbox case. Other versions will have a different pair of numbers. Be aware that it's just the 9003 motor that's illegal; the gearboxes are COTS items (from a F-P service centre), as are the pinions.
188's KOP 9012s and the identical spares were all equipped with the 19 tooth pinion, as were the 9003s from last year.