Re: 9n has a Short

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Posted by Tim Daley(MI) on December 24, 2019 at 11:56:16 [URL] [DELETE] :

In Reply to: Re: 9n has a Short posted by Dean on December 23, 2019 at 11:33:38:

When your tractor does run, what does the ammeter read? Before you go out and start replacing parts with new ones assuming they are defective, let's be sure you are testing things correctly like Jesse said. Just to be clear, 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:

FWIW – The 8N tensioning arm is pictured here. It attaches to the governor and is often missing from 8N tractors. Without fan belt tension regardless of what model you have, you will never charge your battery properly.
FORD 8N TRACTOR, 48-50 GENERATOR w/BELT TENSIONER ARM:

Tim Daley(MI)


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