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Downloaded from www.Manualslib.com manuals search engine Crank Assembly13
Edition 08.96
Fig. 1 Inspecting piston ring gap clearan-
ce
Special tools, testers and aids required Feeler gauge
Inspection procedure
- Insert ring at right angles to cylinder wall from above into the lower cylinder opening, about
15 mm away from edge of cylinder. Use piston without rings for inserting.
Piston ring Gap clearance
new wear limit
Compression rings mm 0.15 ... 0.40 0.80
2-part oil scraper ring mm 0.25 ... 0.50 1.00
3-part oil scraper ring mm max. 1.00 1.30
Fig. 2 Inspecting piston ring end clearan-
ce
Special tools, testers and aids required Feeler gauge
- Clean annular groove before inspecting.
Piston ring End clearance
new wear limit
Compression rings mm 0.02 ... 0.07 0.12
2- and 3-part oil mm 0.02 ... 0.06 0.12 scraper ring
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