Yuchai YC6A Series, Operation & Maintenance Manual, Page: 53 / 99

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工程用柴油机大部分采用
RSV
、
R801
型调速器。
喷油泵和调速器的工作正常与否，对柴油机的工作状态影响很大，柴油机出厂时已调整
好，一般不能随意调整，如柴油机运转使用较久，出现不正常现象时，可找玉柴服务站或专
业人员进行调整，以避免不应有的事故发生。
柴油预滤器为纸制滤芯旋装式（图 2-19 ），此预滤器主要作用为油水分离及过滤柴油中的
大颗粒。预滤器柴油机每累计工作
400
小时应更换预滤器整体滤心。同时当预滤器分离出的水
位到一定高度时适时的打开放水开关进行放水。
Generally, RSV, R801 speed governor is adopted for construction diesel engine. The
working statuses of the fuel injection pump and speed governor will affect the diesel engine
operation a lot. The diesel engine has been adjusted when ex-factory, and the user is not
allowed to adjust it. If abnormal phenomenon of the engine occurs after long operation, send
it to Yuchai service station or to professional staff for adjustment to avoid accidents.
Yuchai filter is of rotary paper filter element structure (Fig. 2-19), it is mainly used to
separate water and oil and filter the bulky grain in diesel oil. The filter element of diesel
engine filter shall be replaced for using accumulated 400 hours. At the same time, when the
water level separated from filter reaches a certain height, open water drainage switch to drain
water.