Valve Rocker Arms, Lifters, and Bridges
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图 1 | g01627678 |
缸盖前视图 |
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图 2 | g01627681 |
缸盖顶视图 |
(1) 有关缸盖螺栓的拧紧步骤的相关信息,请参阅技术规范, "缸盖"。
注: 拧紧摇臂轴螺栓 (6) 之前,先拧紧缸盖螺栓 (1) 。
注: 组装配气机构部件前,先在推杆的钢珠和钢珠座上涂抹 8T-2998 润滑剂 ,在挺杆孔中充注由 50% 凸轮轴润滑剂和 50% 发动机机油组成的混合物。
(A) 气门间隙
- 进气门 ... 0.38 ± 0.10 mm (0.015 ± 0.004 in)
- 排气门 ... 0.76 ± 0.10 mm (0.030 ± 0.004 in)
(2) 调整螺钉锁紧螺母的扭矩 ... 30 ± 4 N·m (22 ± 3 lb ft)
注: 再次检查气门间隙设置。
(B) 摇臂轴的尺寸
安装后,摇臂轴组件的套筒轴承孔 ... 24.803 mm (0.9765 in)
摇臂轴直径 ... 24.752 ± 0.013 mm (0.9745 ± 0.0005 in)
(3) 挺杆导杆弹簧不能再次使用。 务必安装新的挺杆导杆弹簧。
(C) 气门挺杆组件的尺寸
用于气门挺杆组件的缸盖孔 ... 27.953 ± 0.019 mm (1.1005 ± 0.0007 in)
气门挺杆组件的直径 ... 27.896 ± 0.013 mm (1.0983 ± 0.0005 in)
注: 安装缸体挺杆孔中的套筒所需的专用工具、技术规范和步骤。 有关缸体挺杆孔的修补步骤,请参阅可重复利用零件和修补处理指南, SEBF8069, "维修发动机挺杆孔的步骤"。
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