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NT7045 - Nuffield fan belt, 47" long - note belt width is 22mm (7/8") by 14mm (35/64")
Fitted to the following tractors :
Nuffield M3, M4 - Fitted to the Morris Commercial engines ETB after serial number 113054 and ETC after serial number 113393.
Nuffield PM4 - Fitted to the Morris Commercial engines ETB after serial number 113054 and ETC after serial number 113393.
Note that earlier M4 engines are fitted with fan belt NT3421.
Original equipment manufacturers names and parts numbers are quoted for reference purposes only and are not intended to suggest that our replacement parts are made by the original equipment manufacturer.
Product images are for illustrative purposes only and may not always be an exact representation of the product.
Fan belt adjustment for the Nuffield M4
The tension of the fan and dynamo belt is adjusted by slackening the two bolts on which the dynamo pivots, loosening the bolt that secures the dynamo to the slotted link, and pulling the dynamo outwards until the belt is correctly tensioned.
The correct tension is achieved when the belt can be depressed approximately 1" (25.4 mm) with light hand pressure at the midpoint between the crankshaft pulley and the fan pulley.
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