Guide for judging condition of relevant piston-running components/Руководство по оценке состояния поршневой группы

Издание на английском языке
This booklet shall serve as a guide for judging the condition of relevant components (liners, pistons and piston rings) for the condition-based maintenance during piston and liner overhauls of engines with latest piston-running standard with full CC (chromium ceramic) piston ring packages or CC top ring and lower RC (running-in coating) rings for smaller bores.

Сontents
1 Purpose of this booklet
2 Requirements to extend piston TBO
3 Way of working for piston underside inspection
4 Tools and equipment
5 Wear modes
5.1 Piston ring
5.2 Typical liner wear patterns
6 Condition assessment for piston rings and cylinder liner
6.1 Normal and acceptable conditions
6.2 To be monitored
6.3 Action required
6.4 How to identify a scuffed liner
6.5 Possible actions for locally scuffed liners (temporary measures)
6.6 Pre-requisites for a cylinder liner before it can be re-honed
6.7 Requirements for a cylinder liner after honing
7 Piston crown condition
8 Sample pictures for a visual inspection report
9 Template example for regular measurements and visual inspection report
10 Selection of the cylinder oil
11 Cylinder oil sampling
12 Piston underside drain oil analysis interpretation
13 Feed rate optimization
14 Running-in of new components
15 List of piston-running relevant WinGD technical documents
16 Notes
17 Contacts