Connecting Rod
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| 图 1 | g02687778 |
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| 256-9658 连杆 的技术规格 | |||
| 项目 | 数量 | 零件 | 技术规格说明 |
| 必须小心处理裂解式连杆。 当您松开连杆盖螺栓时，用软钳固定住连杆。 必要时使用软锤轻敲连杆盖。 | |||
| A | - | - | 连杆中用于安装 256-9656 衬套 的孔径为 54.630 ± 0.013 mm (2.1508 ± 0.0005 in)。 |
| B | 1 | 256-9656 衬套 | 衬套中用于安装活塞销的孔径为 50.035 ± 0.008 mm (1.9699 ± 0.0003 in)。 |
| 连杆必须加热，以便安装套筒轴承。 不要用喷枪。 | |||
| C | - | - | 可以将连杆加热至 175 至 260 °C (347 至 500 °F) 以便于安装衬套。 加热连杆所需的最大距离为 85 mm (3.3 in)。 |
| - | - | - | 在装配活塞和连杆前用清洁的发动机机油彻底润滑活塞销。 |
| 1 | - | - | 轴承节必须在任一位置 ± 5 度之内。 |
| D | - | - | 衬套中心之间的距离为 217 mm (8.5 in)。 |
| F | - | - | 连杆中用于安装曲轴轴承的孔径为 85.000 ± 0.013 mm (3.3465 ± 0.0005 in)。 |
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| 图 2 | g02687779 |
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| 256-9658 连杆 的技术规格 | |||
| 项目 | 数量 | 零件 | 技术规格说明 |
| 2 | - | - | 在连杆和连杆盖的这个位置，蚀刻下气缸编号。 用数字 1 至 6 标记连杆和盖。 标记数字要在连杆上和轴承护圈凹槽 (4) 同侧进行。 |
| 将连杆和活塞总成安装至发动机时使连杆组件的锻造零件号朝向发动机后侧。 发动机的后端是指发动机飞轮端。 在将连杆和活塞总成插入缸体之前先用清洁的发动机机油润滑连杆和活塞总成。 | |||
| 3 | 2 | 160-8197 螺栓 | 按照以下步骤拧紧螺栓： |
| 1. 拧紧螺栓至扭矩 50 ± 5 N·m (37 ± 4 lb ft)。 |
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| 2. 再次将螺栓拧紧至 90 ± 5 度的扭矩角。 | |||
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