Pic. 5.12. Piston and connecting rod:
1 - Piston rings; 2 - Piston; 3 - Connecting rod; 4 - Connecting rod cover; 5 - Nuts; 6 - Inserts; 7 - Cylinder block; 8 - Connecting rod bolt; 9 - Retaining ring; 10 - Piston pin.
Check of a backlash of piston rings is shown on fig. 5.13, checking the clearance between the piston ring and the piston groove - in fig. 5.14. Piston dimensions are shown in fig. 5.15.
Piston ring clearance
Compression rings: 0.20-0.40 mm.
Oil scraper ring: 0.25-0.50 mm.
Permissible wear: 1.0 mm. Gap between piston ring and piston groove: 0.02-0.05 mm.
Permissible wear: 0.15 mm.
Piston characteristics
Dimensions of pistons and connecting rods of the AFT engine
Dimensions of pistons and connecting rods of the engine 1F, ADZ
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