Re: 1940 9N Electrical system

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Posted by Tim Daley(MI) on January 13, 2020 at 11:33:30 [URL] [DELETE] :

In Reply to: Re: 1940 9N Electrical system posted by Robert Angney on January 13, 2020 at 10:35:40:

Use the scans of the 9N/2N wiring I posted earlier. If you right click on the scan you can save it to your desktop as a jpg picture and print it out for reference. Your generator needs a belt tensioner. You will not charge the generator without one. Verify your wiring is all correct for 6V/POS GRN, no shortcuts. You polarize the generator using the cutout before applying power. Pictured here is the 9N-10505-B ROUND-CAN CUTOUT and the OEM 2N-10000 generator with belt tensioner attached and the 9N-10000-C Generator with the belt tensioner kit attached. The 9N-10000 small A and B generators did not use a belt tensioner nor will work on the 9N-C kit. The 2N generator released the tensioner as a fixed part to the unit. The 9N-C at the same time offered a kit to apply the tensioner via a steel band –see pictures. Starting with s/n 9N-12500 all generators were the same up until the 8N model. They were all 1-Wire/3-Brush Units rated at 11 amps and used the roundcan cutout. HOW TO TEST BELT TENSION: Tractor OFF, grab the generator pulley with both hands and try to turn it. If it turns and the belt does not, the tension is too loose.

FORD 9N-10505-B CUTOUT –USED AFTER S/N 12,500 TO S/N 258504:

FORD TRACTOR 2N-10000 GENERATOR w/BELT TENSIONER:


FORD TRACTOR 9N-10000-C GENERATOR w/ BELT TENSIONER KIT:

FORD TRACTOR 9N-10505-B CUTOUT CIRCUIT TEST:


FORD 9N/2N TRACTOR WIRING DIAGRAMS:



FORD-FERGUSON 9N/2N ESSENTIAL OWNER/OPERATOR/PARTS/SERVICE MANUALS:

Tim Daley(MI)


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