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again when the oil temperature is normal.
②
溢流阀堵塞
Clogged overflow valve
检查、清洗。
Check and clean.
5.7 润滑油消耗高、消耗量大
High Lubricating Oil Temperature and Bigger Consumption Quantity of Oil
故
障
原
因
Cause
排
除
方
法
Solution
①
外部润滑油管路有泄漏
Lubricating oil
leakage in external oil pipeline
检查并修复。
Check and repair.
②
发动机负荷过重
Too heavy engine
load
降低负荷。
Decrease the load.
③
使用润滑油牌号不当
Improper brand
of lubricating oil used
按规定选用。
Use the oil as specified.
④
活 塞 环 卡 死 或 磨 损 过 大
Clogged
piston ring or its excessive wear
检查、修复、必要时更换。
Check and repair; replace as necessary.
⑤
缸孔磨损过大
Excessive wear of the cylinder bore
镗缸后换加工尺寸的活塞环,或加修理用缸套。
After cylinder boring replace the piston ring with
newly machined sizes, or repaired cylinder liner.
⑥
气门导管磨损过大,气门杆密封失效
Excessive wear of the valve guide pipe,
and failed sealing of valve stem
检查、更换。
Check and replace.
5.8 出水温度过高
Water outlet temperature too high
故障原因
Cause
排除方法
Solution
⑴
冷却水量不足,水流量过小
Inadequate
cooling water, water flow too little
检 查 冷 却 水 量 是 否 足 够 , 不 足 就 添 加
; Check
whether there is enough cooling water; Fill water if
inadequate
⑵
皮带是否过松
Belt too loosed
调整
Adjust
⑶
水泵有漏水
Water leak of the water
pump
及时进行修理
Repair
⑷
节 温 器 失 灵 、 损 坏
Malfunction or
damaged thermostat
检查更换
Check and replace
⑸
水温表损坏,水温感应塞失灵
Water gauge damaged, malfunction of
检查实际温度与表指示温度是否相符
;
如不符则更换
感 应 塞 或 水 温 表
Check whether the actual
Summary of Contents for YC6A Series
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Page 12: ...Fig 4 Assembly Layout for YC6J Diesel Engine may differ from the practical configuration...
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Page 16: ...16 YC6J J8000 YC6J series construction engine J8000 external characteristic curve...
Page 64: ...64 2 31 Thethermostator is of wax type and installed in the water outlet of the pipe It is not...
Page 98: ...98 the engine to check repair and replace damaged parts...