WD615欧Ⅱ系列柴油机维修保养手册
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Maintenance Manual for WD615 Series EuroⅡDiesel Engine
1．排气门
Exhaust Valve
2．排气管
Exhaust manifold
3．排气进入增压器涡轮
Exhausting gas flowing into the
turbo of turbocharger
4．增压器排气出口
Exhaust outlet of turbocharger
4.4燃油系统
Fuel supplying system
1．来自油箱的燃油
Fuel from the fuel tank
2．输油泵
Fuel delivery pump
3．燃油滤清器
Fuel filter
4．低压油管
Fuel delivery pipe
5．冒烟限制器空气接管
Air connecting pipe for smoke
controlling device
6．喷油泵
Fuel injection pump
7．高压油管
High pressure fuel pipe
8．喷油器
Injector
9．喷油器回油管
Fuel returning pipe of
injector
10．回油箱燃油管
Fuel pipe back to the fuel tank
