WD615欧Ⅱ系列柴油机维修保养手册
-11-
Maintenance Manual for WD615 Series EuroⅡDiesel Engine
9.12 噪音过大
Noise is too high
1. 燃油质量差
Poor quality of fuel
更换燃油
Renew fuel
2. 冷却水温过低
Temp of cooling water is too low
检查节温器,必要时更换
Check thermostat, replace it if necessary
3. 配气或供油定时不对
Incorrect timing of valve gear or fuel delivery
检查并修复调整
Check, repair and adjust
4. 喷油嘴物化不良
Poor atomizing
检查并修复调整
Check, repair and adjust
5. 喷油泵油量过大
Excessive injection quantity
检查并调整(由专业厂进行)
Check and adjust (by manufacturer)
6. 减震器磨损
Vibration damper damaged
检查有否损坏,连接螺栓情况,更换损坏件
Check connecting bolt and replace damaged parts
7. 气门漏气或调整不当
Leakage in valve or adjusted unsuitably
拆检气门,调整
Dismantle and check valve, readjust it
8. 齿轮间隙过大或齿断裂
Excessive gear clearance or tooth broken
检查并更换损坏件
Check and replace damaged parts
9. 缸套或活塞磨损或拉缸
Cylinder liner or piston worn, or piston scuffing
检查并修复或更换
Check and repair, or replace
10. 推杆弯曲或断裂
Push rod bended or broken
更换
Replace it
11. 活塞环断裂或磨损
Piston rings broken or worn
检查或更换损坏件
Check and replace damaged parts
Содержание WD615
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