Connecting Rod - For Use With Steel Crankshaft
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| 图 1 | g01254512 |
典型实例 | |
(1) 连杆轴承壳
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| 连杆轴承中央的厚度 | 1.8352 至 1.8415 mm (0.0723 至 0.0725 in) |
| 盖中央的连杆轴承的厚度 | 1.8352 至 1.8415 mm (0.0723 至 0.0725 in) |
| 轴承间隙 | 0.034 ± 0.081 mm (0.0013 ± 0.0032 in) |
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| 缩小尺寸的连杆轴承 | |
|---|---|
0.25 mm (0.010 in) |
|
0.51 mm (0.020 in) |
|
0.76 mm (0.030 in) |
连杆的配合表面是通过液力挤压锻造连杆形成的。
(2) 将连杆的固定螺钉拧紧至以下扭矩。 ... 18 N·m (13 lb ft)
将连杆固定螺钉再次拧紧至以下扭矩。 ... 70 N·m (52 lb ft)
将连杆的固定螺钉再拧紧 120 度。 本步骤后必须更换连杆 (2) 的螺栓。
注: 当组件脱离发动机时，一定要把连杆盖紧固到连杆上。 将组件拧紧至 20 N·m (14 lb ft)。
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| 图 2 | g01254518 |
典型实例 | |
(3) 活塞销精加工孔的直径 ... 39.738 至 39.723 mm (1.5645 至 1.5639 in)
(4) 母孔径之间的距离 ... 219.05 至 219.1 mm (8.6240 至 8.6260 in)
(5) 连杆轴承精加工孔的直径 ... 67.208 至 67.221 mm (2.6460 至 2.6465 in)
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| 图 3 | g00915056 |
连杆有颜色代码。 颜色代码用以表示连杆长度 (Y) 。 请参阅表 3 以了解连杆的不同长度。
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| 连杆的长度等级 | ||
|---|---|---|
| 等级字母 | 颜色代码 | 长度 (Y) |
| F | 红 | 165.761 至 165.728 mm (6.5260 至 6.5247 in) |
| G | 橙色 | 165.715 至 165.682 mm (6.5242 至 6.5229 in) |
| H | 白色 | 165.670 至 165.637 mm (6.5224 至 6.5211 in) |
| J | 绿色 | 165.624 至 165.591 mm (6.5206 至 6.5193 in) |
| K | 紫色 | 165.578 至 165.545 mm (6.5188 至 6.5175 in) |
| L | 蓝色 | 165.532 至 165.499 mm (6.5170 至 6.5157 in) |
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