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