Water pump - Isuzu E3AF1
Water pump for Iseki tractors of the Iseki TU1700, Iseki TU1900 series with Isuzu 3AF1 engines and others.
The water pump, the radiator coolant, is one of the most important elements of the engine cooling system and this method of cooling is commonly called water cooling . The engine block and the engine head are elements that heat up to very high temperatures during operation and it is these that we want to cool with the coolant during operation. Special water channels are bored in the engine and the head for the circulation of water, which, in order to be re-injected into the engine water channels. The circulation of the coolant is possible thanks to the water pump , which is most often placed between the radiator and the engine and is driven by a V-belt from the alternator. To the pump flywheel, we screw the belt pulley in order, and then the radiator fan, which rotates together with the belt pulley, providing the air movement needed to cool the radiator while the engine is running.
Dimensions :
- length: 175mm,
- height: 75 mm,
- wheel diameter: 64 mm,
- rotor diameter: 70 mm,
- wheel bolt hole spacing: 51 mm (diagonally), 36 mm (apart from each other),
- the spacing of the mounting screw holes is clearly visible in the photo,
- original part numbers: 6513-610-141-20,
- reference numbers: HD46651192,
- part numbers: 3AF1.
The most common problems and faults of the water pump are the bearing seizure , which is subjected to high rotational speeds and because the elements that directly cooperate with the pump, such as the pulley and the fan, which are not always properly balanced. Too tight a belt , worn belt , too loose V-belt, V-belt installed at the wrong angle , poor lubrication or lack of lubrication are other causes that cause damage to the water pump. The first signs of water pump damage or signs of improper operation are an unusual sound from under the hood, a coolant stain under the tractor or temperature jumps visible on the dashboard gauges.
Warehouse : M01:B22/B23/M25
*Photos are for illustrative purposes only and may differ in detail from the delivered product due to differences in production over the years.
Specification
Bolens 2104
Bolens G212
Bolens G214
Iseki TU1700
Iseki TU1900
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