CPR Repairs Lower End Liner Bore Damage
CUSTOMER: Tugboat & Marine Company in Ontario
APPLICATION DATE: May 2003
PROBLEM: Bottom of cylinder liner seat has eroded away and needs to be repaired.
SUBSTRATE: Cast Iron
APPLICATION METHOD: Ground by hand and applied freehand and then dressed down
PHOTOGRAPHS
![](https://www.polymericcoatings.com/wp-content/uploads/2018/10/77948.png)
Problem are at the top of the bottom of the engine.
![](https://www.polymericcoatings.com/wp-content/uploads/2018/10/77949.png)
Closer view of the damage prior to grinding.
![](https://www.polymericcoatings.com/wp-content/uploads/2018/10/77950.png)
Area has been ground and a durable wear resistant paste grade material is applied.
![](https://www.polymericcoatings.com/wp-content/uploads/2018/10/77951.png)
Area of each cylinder was ground down to OEM specifications.