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Christmas 2020 Opening Times

As we approach the end of this most trying of years we would like to thank all our customers and suppliers for their help and support and wish you all a Happy Christmas and a healthy happy and safe 2021.  We will be shipping orders upto and over the holiday period but closed on the 24th re-open 29th and 30th then closed until Jan 4th. Best wishes from all at RGM

MAINSHAFT SECOND GEAR - 18 TEETH RUNS WITH 040019 (EARLY)

MAINSHAFT SECOND GEAR - 18 TEETH RUNS WITH 040019 (EARLY)

Part No
040418
Andover Norton

MAINSHAFT SECOND GEAR - 18 TEETH RUNS WITH 040019 (EARLY)


THE AMC GEARBOX USED BY NORTON HAD TWO DIFFERENT SECOND GEAR RATIO'S.  ORIGINALLY THE MAINSHAFT WAS 18 TEETH - TODAY'S PART NUMBER 040418 AND IT WAS USED WITH A 24 TOOTH LAYSHAFT GEAR - TODAY'S PART NUMBER 040019.  UPTO 1960 THE RATIO WAS 1.77-1.

AFTER 1960 THE FOURTH GEARS CHANGED FROM 18-24 TO 18-23 AND THE SECOND GEAR RATIO BECAME 1.7-1, THIS WAS USED UNTIL 1975 WHEN THE SECOND GEARS CHANGED TO 23-18 GIVING A HIGHER SECOND GEAR RATIO OF 1.63-1.  THESE LATER GEARS HAVE PART NUMBERS 064640 (MAINSHAFT) AND 064639 (LAYSHAFT).

IT IS IMPORTANT THAT THESE GEARS ARE USED AS PAIRS AND NOT MIXED AND TO ASSIST IDENTIFICATION.  THE LATER GEARS HAD A GROOVE MACHINED IN THE TOP OF THE DOGS.  



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