By A | 07 September 2023 | 0 Comments

Why Your Engine Oil Leak? XCMG XE490DK Excavator CUMMINS QSM11 ENGINE

Problem: Engine Oil Leak
general  information: 
Engine Model: QSM11
Engine worked hours: 2470h
Failure information:
Damaged Part Name: Crankshaft rear oil seal
Damaged Part Number: 4089542
Equipment Model: XCMG XE490DK Excavator 
Field  inspect:
1. Turn on the engine, check the oil leakage site, and find that the flywheel housing observation hole at the connection between the flywheel housing and the hydraulic pump has oil seepage, which is abnormal;
2, Remove the hydraulic pump and flywheel inspection found that the crankshaft oil seal oil leakage;
3, No current fault code connected to the computer;
4, Replace the crankshaft oil seal, test engine, it works normally, troubleshooting.
Failure conclusion:
Crankshaft rear oil seal leaks oil.
The EX490DK XCMG HYDRAULIC EXCAVATOR 


XCMG XE490DK HYDRAULIC EXCAVATOR Nameplate

The CUMMINS QSM11 ENGINE NAMEPLATE 

The temperature and oil pressure 


The Connection of Flywheel Housing and Hydraulic Pump, the crankshaft rear oil seal oil leak.


The damaged crankshaft rear oil seal and the new crankshaft real oil seal.


 

Leave a Reply

Your email address will not be published.Required fields are marked. *
Name
E-mail
Content
Verification code
POPULAR BLOG
CATEGORIES