Accumulator (Pilot) - Test and Charge - Pump Actuator
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增压系统！ 液压蓄能器含有高压气体和机油。 请勿断开管路或拆解加压蓄能器的任何部件。 处置蓄能器或任何蓄能器组件前，请务必按照服务手册说明释放蓄能器中的所有气体预充注压力。 不遵循这些说明和警告会造成人身伤亡。 只能使用干燥的氮气加注蓄能器。 有关特殊设备和蓄能器维修和充注的详细信息，请咨询您的 Cat 代理商。 |
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| 注意 |
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在检查、保养、测试、调整及维修产品时，请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前，请准备好盛接液体用的适当容器。 有关收集和盛接 Cat® 产品的油液的合适工具和用品，请参考专门出版物, NENG2500, "代理商维修工具目录"。 按照本地法规和要求处置所有油液。 |
气体压力随温度变化。 检查蓄能器周围的气温。 为了检查蓄能器中的充气量，蓄能器的温度必须与周围空气温度相同。
注: 蓄能器充气时，由于氮气的膨胀或收缩，蓄能器的温度可能会变化。 为了确保正确充气，可能有必要分几步给蓄能器充气。
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| 充气压力和温度 | |
| 温度 | 压力 |
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| 图 1 | g06281314 |
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(1) 主控制阀
(2) 单向阀 (3) 蓄能器 (4) 泵执行器 | |
供应泵执行器 (4) 的蓄能器 (3) 位于主控制阀 (1) 下方。 先导油从主控制阀通过单向阀 (2) 流入蓄能器。
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| 图 2 | g03350879 |
如果回油压力降至
可以在监视器的 "Service（维修）" 菜单中监视回油压力。
- 输入密码 "9992"
- 选择 "Status（状态）"
- 选择 "Hybrid System Status（混合动力系统状态）"。
- 向下滚动到 "Return Hydraulic Oil Press（液压回油压力）"
- 请参阅专门说明书, REHS5464, "蓄能器排放和充压步骤"。
Caterpillar Information System:
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C7.1 Marine Propulsion Engine Belts - Inspect/Adjust/Replace
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