Yaroslavl Engine Plant YMZ-536 Operation Manual
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Contents
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67ACCESSORY DRIVE BELTSAccessories located in the front part of the engine are driven bypoly-V belts.The engine package comes in three options:1. Water pump, fan and generator (Fig. 17).Fig. 17 Accessory drive belts (first option):1 – crankshaft pulley and damper; 2 – tension roller;3 – water pump pulley; 4 – belt; 5 – fan drive pulley;6 – tension roller; 7 – belt; 8 – generator pulley2. Water pump, fan, generator and AC compressor (Fig. 17a).3. Water pump and generator (Fig. 17b).In the first two options, the pulley on the crankshaft nose drivesthe fan and the water pump. The crankshaft pulley is made as a singlepiece with the torsional vibration damper.The fan pulley second belt drives the generator (Fig. 17), or thegenerator and the AC compressor simultaneously (Fig. 17a). |
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