Exhaust Bypass Valve - Wastegate
排气旁通阀在工厂中已预先设定。 然而,由于下列情况可能必须进行调整:
- 更换排气旁通阀
- 海拔高度
- 环境温度变化
使用以下步骤以针对当地情况调整排气旁通阀。
- 拆下螺塞 (1) 和密封件。 松开锁紧螺母 (2)。
- 顺时针转动调整螺钉 (3) 大约四圈,以便解除排气旁通阀的功能。 小心不要将该螺钉拧得太紧。
- 根据系统操作/测试和调整, "空燃比控制 - 调整(NOX 反馈)"调整发动机排气排放。
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在运转的发动机周围工作时要小心。 热的或移动的发动机零件可能导致人身伤害。
- 获得期望的排气排放之后,逆时针转动调整螺钉 (3)。 根据适用的专门说明书转动螺钉,以便获得期望的涡轮增压器转速:
- 对于 G3508B 发动机 RBK,参考专门说明书, REHS5007, "G3508B A3 发动机的安装和初始起动步骤"
- 对于 G3512B 发动机 JHH,参考专门说明书, REHS5019, "G3512B ULB 发动机的安装和初始起动步骤"
- 对于 G3516B 发动机 JEF,参考专门说明书, REHS4724, "G3516B 发动机的安装和初始起动步骤"
- 当操作令人满意时,拧紧锁紧螺母 (2) 至发动机技术规格中列出的扭矩。
- 安装密封件和螺塞 (1)。
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图 1 | g00814530 |
(1) 塞
(2) 锁紧螺母 (3) 调整螺钉 |
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