Cylinder Head - Remove and Install
拆卸步骤
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所需工具     | |||
工具     | 零件号     | 零件描述     | 数量     |
A     | -     | Loctite Graphite-50 抗咬合润滑剂     | -     |
B     | 8T-2998     | 润滑剂     | -     |
C     | -     | Loctite 242 蓝色中强度螺纹锁固胶     | -     |
D     | -     | Loctite C5-A 抗咬合润滑剂     | -     |
开始:
- 拆下凸轮轴齿轮。
- 拆下电子单体喷油器。
- 拆下摇臂和摇臂轴。
- 拆下气门机构罩盖底座。
- 拆下排气歧管。
- 拆下燃油滤清器底座。
- 拆下烟气处理总成。
- 拆下排气感应阀。
- 拆下发动机机油滤清器底座。
- 拆下增压压力传感器。
- 拆下螺栓 (1) 和止推盘 (2) ,以拆下转接接头 (3) 。
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图 1 | g01377731 |
- 拆下螺栓 (4) 和板 (5) 。
- 拆下密封盘 (6) 。
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图 2 | g01377738 |
- 将 O 形密封圈 (8) 和 O 形密封圈 (9) 从密封盘 (7) 上拆下。
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图 3 | g01377739 |
- 拆下螺栓 (10) 。
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图 4 | g01867334 |
- 使用适当的起吊设备拆下缸盖 (11) 。 缸盖 (11) 的重量约为 293 kg (645 lb)。
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图 5 | g01867354 |
- 将油封 (12) 、水封 (13) 和密封垫 (14) 从缸体上拆下。
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图 6 | g01867473 |
- 将隔板 (15) 从缸体上拆下。
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图 7 | g01867515 |
- 将密封垫 (16) 从缸体上拆下。
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图 8 | g01867534 |
- 将 O 形密封圈 (17) 从缸体中的定位销上拆下。
安装步骤
- 按相反顺序安装缸盖。
- 将工具 (A) 涂抹在缸盖螺栓 (10) 的螺纹和垫圈上。
- 按照下列步骤拧紧缸盖螺栓:
- 按数字顺序依次将螺栓 1 到 26 上紧到 270 ± 15 N·m (200 ± 11 lb ft) 的扭矩。
- 按数字顺序依次将螺栓 1 到 26 上紧到 450 ± 15 N·m (330 ± 11 lb ft) 的扭矩。
- 按数字顺序依次将螺栓 1 到 26 重新上紧到 450 ± 15 N·m (330 ± 11 lb ft) 的扭矩。
- 按数字顺序依次将螺栓 1 到 26 上紧到 270 ± 15 N·m (200 ± 11 lb ft) 的扭矩。
Show/hide table图 9 g01072801
注: 标有 "x" 标记的螺栓长度为 216 mm (8.50 in):11, 12, 13, 14, 16, 18, 20, 22, 24 和 26。 其余螺栓长度为 194 mm (7.60 in)。
- 组装前,将工具 (B) 和干净机油 50/50 的混合物涂抹到 O 形密封圈 (8) 和 (9) 上。
- 将工具 (C) 涂抹到螺栓 (1) 的螺纹上。
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