Lubrication System
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| 图 1 | g02917860 |
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(1) 摇臂
(2) 机油压力开关 (3) 摇臂轴 (4) 推杆 (5) 挺杆 (6) 凸轮轴 (7) 活塞 (8) 连杆 (9) 机油冷却器 (10) 机油滤清器筒 (11) 安全阀 (12) 机油滤网 (13) 机油泵 (14) 曲轴 (15) 惰轮 (16) 调速器轴 (17) 阀 | |
此润滑系统包括机油滤网、机油泵、安全阀、机油滤清器、机油冷却器和机油压力开关。
机油泵通过机油滤网从油底壳吸入机油，然后机油流向机油滤清器。 然后将机油压到曲轴、连杆、惰轮、调速器轴、凸轮轴、摇臂轴和喷油泵。
来自摇臂轴的机油为推杆、挺杆、进气门和排气门供油。 来自惰轮的机油为正时齿轮供油。 活塞和气缸由飞溅的机油和油雾润滑。
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| 图 2 | g06140707 |
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发动机机油泵 | |
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| 图 3 | g02917882 |
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(18) 内转子
(19) 外转子 (20) 进口 (21) 出口 | |
此油泵是由曲轴齿轮驱动的摆线泵。 它有一个内转子和一个外转子。 内转子由曲轴驱动，并沿相同方向转动外转子。
内转子比外转子少一个凸轮，转子之间彼此呈偏心接合。 这将允许其他凸轮滑到外侧凸轮上方，形成密封以防止回油。 当凸轮向上滑到外转子上的凸轮上方时，机油被吸入。 当凸轮落入外转子的腔室时，机油被挤出。
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| 图 4 | g06133721 |
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(1) 滤清器
(2) 接头 (3) 套环 (4) 安全阀 | |
安全阀位于前壳体中。 拆下机油滤清器、连接器和套环，以接近安全阀。
球形安全阀可防止高油压损坏润滑系统。
当弹簧张力大于进口机油压力时，阀闭合。 弹簧张力将球阀（或提升阀）牢固保持到位。
当进口机油压力大于弹簧张力时，阀打开。 这会将球阀（或提升阀）从进口孔推开，油将会流过阀。
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| 图 5 | g02918500 |
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(A) 进油口
(B) 出油口 (a) 冷却液进口 (b) 冷却液出口 | |
发动机配备有水冷式机油冷却器，以便在发动机运转时保持油温不升高，并提供适当的润滑。
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