Cylinder measurement points
A - Longitudinal direction; B - Transverse direction; a - The upper point of the stroke of the upper compression ring; b - bottom dead center; c - The lower point of the stroke of the oil scraper ring; 1, 2, 3 - Measurement points
Machining of the mating surfaces of the cylinder block and measuring point
The dimensions of the cylinders and pistons are given in Specifications. Also note the following options:
Permissible wear in longitudinal and transverse directions | 0.10 mm |
Permissible ovality | New 0.007mm |
Permissible 0.05 mm | |
Permissible roughness RZ after honing | 0.003 - 0.006 mm |
Permissible waviness Wt | 50% of roughness |
Honing angle | 50 ± 10 |
Dimensions for processing mating surfaces of the cylinder block are given in Specifications.