{"id":2804,"date":"2023-11-17T22:29:52","date_gmt":"2023-11-17T21:29:52","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2804"},"modified":"2023-11-17T22:29:52","modified_gmt":"2023-11-17T21:29:52","slug":"measuring-boring-and-honing-cylinder-bores","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/17\/measuring-boring-and-honing-cylinder-bores\/","title":{"rendered":"Measuring, boring and honing cylinder bores"},"content":{"rendered":"

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01\u2014110 Measuring, boring and honing cylinder bores<\/div>\n<\/div>\n<\/td>\n
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Coordination piston \u2014 cylinder<\/strong><\/div>\n<\/div>\n<\/td>\n
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Version l<\/sup>)<\/em><\/div>\n<\/div>\n<\/td>\n
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Group no.<\/div>\n<\/div>\n<\/td>\n
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Piston dia.<\/div>\n<\/div>\n<\/td>\n
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Cylinder dia.<\/div>\n<\/div>\n<\/td>\n
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Standard<\/div>\n<\/div>\n<\/td>\n
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0 1 2<\/div>\n<\/div>\n<\/td>\n
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90.845 – 90.855 above 90.855 – 90.865 above 90.865-90.875<\/div>\n<\/div>\n<\/td>\n
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90.898 – 90.908 above 90.908-90.918 above 90.918-90.928<\/div>\n<\/div>\n<\/td>\n
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Cylinder bore<\/strong><\/div>\n<\/div>\n<\/td>\n
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Max. wear limit in forward or transverse direction<\/div>\n<\/div>\n<\/td>\n
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0.10<\/div>\n<\/div>\n<\/td>\n
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when new<\/div>\n<\/div>\n<\/td>\n
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0.014<\/div>\n<\/div>\n<\/td>\n
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Permissible out-of-true and conicity<\/div>\n<\/div>\n<\/td>\n
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wear limit<\/div>\n<\/div>\n<\/td>\n
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0.05<\/div>\n<\/div>\n<\/td>\n
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Permissible deviation vertically in relation to crankshaft center line, with reference to cylinder height<\/div>\n<\/div>\n<\/td>\n
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0.05<\/div>\n<\/div>\n<\/td>\n
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Permissible roughness<\/div>\n<\/div>\n<\/td>\n
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0.002-0.004<\/div>\n<\/div>\n<\/td>\n
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Permissible waviness<\/div>\n<\/div>\n<\/td>\n
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50 % of roughness<\/div>\n<\/div>\n<\/td>\n
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Honing angle<\/div>\n<\/div>\n<\/td>\n
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25C<\/sup><\/div>\n<\/div>\n<\/td>\n
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Chamfer of cylinder bores<\/div>\n<\/div>\n<\/td>\n
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refer to Fig.<\/div>\n<\/div>\n<\/td>\n
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1<\/sup> These engines have no repair steps.<\/div>\n<\/div>\n<\/td>\n
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Note<\/strong><\/div>\n<\/div>\n<\/td>\n
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In addition of a visual checkup, in particular in the event of complaints about „high oil consumption” measuring of cylinder bores is unavoidable.<\/div>\n<\/div>\n<\/td>\n
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For this purpose, measure the clean cylinder bores with internal measuring instrument at measuring points, 1, 2 and 3 in longitudinal direction A (piston pin center line) and in transverse direction B.<\/div>\n
With piston installed, the measuring point 3 is barely above piston, at BDC.<\/div>\n<\/div>\n<\/td>\n
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a Upper reversing point of 1st piston ring<\/div>\n
b BDC of piston<\/div>\n
c Lower reversing point of oil scraper ring<\/div>\n<\/div>\n<\/td>\n
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01.8-110\/1 F2<\/div>\n<\/div>\n<\/td>\n
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Chamfer cylinder bores after boring.<\/div>\n
For honing, the material allowance should not exceed 0.03 mm.<\/div>\n<\/div>\n<\/td>\n
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01.8-110\/2 F2<\/div>\n<\/div>\n<\/td>\n
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    01\u2014110 Measuring, boring and honing cylinder bores   Coordination piston \u2014 cylinder   Version l) Group no. Piston dia. Cylinder dia. Standard 0 1 2 90.845 – 90.855 above 90.855 – 90.865 above 90.865-90.875 90.898 – 90.908 above 90.908-90.918 above 90.918-90.928   Cylinder bore   Max. wear limit in forward or transverse direction 0.10   when new 0.014   Permissible out-of-true and conicity   wear limit 0.05   Permissible deviation vertically in relation to crankshaft center line, with reference to cylinder height 0.05   Permissible roughness 0.002-0.004   Permissible waviness 50 % of roughness   Honing angle 25C   Chamfer of cylinder bores refer to Fig.   1 These engines have no repair steps.   Note   In addition of a visual checkup, in particular in the event of complaints about „high oil consumption” measuring of cylinder bores is unavoidable.   For this purpose, measure the clean cylinder bores with internal measuring instrument at measuring points, 1, 2 and 3 in longitudinal direction A (piston pin center line) and in transverse direction B. With piston installed, the measuring point 3 is barely above piston, at BDC. a Upper reversing point of 1st piston ring b BDC of piston c Lower reversing point of oil scraper ring   01.8-110\/1 F2       Chamfer cylinder bores after boring. For honing, the material allowance should not exceed 0.03 mm.   01.8-110\/2 F2        <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46,44],"tags":[],"class_list":["post-2804","post","type-post","status-publish","format-standard","hentry","category-crankcase-and-cylinder-head","category-om617"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t