Home About Us Product E-CATALOGUE Service Contact Us Policy Blog

Basics of CB18 Pumps and common problems soluton

Posted on 4/7/2017 10:46:47 AM

If you are the diesel service center,you would have dealing with CB18 series pump a lot in recent two years,specially JMC CB18 pumps.Today China Balin Power Co.,Ltd (Common Rail Pumps Porducers & Developers) will give you some brief introduction to this pump.
cb18 pumps

High Pressure CB18 pump of common rail systems,environmental friendly power system which is highly reliable, highly efficient and cost effective pump,was developed by WUXI BOSCH and WEIFU together.Its application mainly covers in JMC,YUCHAI,GREATWALL,YUNNEI,FOTON,etc.

Below is most common problems we might facing:
1. O-ring in plunger damaged
Reasons:Improper installation
Problems:Leaking oil in the related place
Solution:Change new O-Ring


2. Overflow valve stuck
Reasons:particulate matter in the pump 
Problems:The vehicle cannot be started
Solution:Remove the  particulate matterm,clean and install again
Or change the Overflow valve 

3.Dirty oil chamber
Reasons:Poor oil quality cause components stuck
Problems:The vehicle cannot be started
Testing:No oil coming out
Solution:Change pumps

4.Inner components rust
Reasons:There is water or acidic material in the diesel 
Problems:The vehicle cannot be started
Testing:No oil coming out
Solution:Change pumps

5.MPROP Stuck
Reasons:particulate matter in the MPROP
Problems:The vehicle cannot be started or no power
Solution:Remove particulate matter,clean and install again or change new MPROP

6.Feed Pumps stuck
Reasons:particulate matter in the Feed Pumps (Supply Pump) cause oil supplying stoped
Problems:The vehicle cannot be started or not stable
Solution:Remove particulate matter

7.filling valve wear
Reasons:particulate matter in the diesel wear the filling valve and Sealed ball cause poor oil absorption
Problems:The vehicle cannot be started or not stable
Solutions:Change assys of filling valve or complete high pressure assys


Finally if you are looking for complete common rail CB18 pumps suppliers,we are your choice!
contact alen@china-balin.com


Post a comment

Hello guest, care to post a comment?