{"id":2867,"date":"2023-11-17T23:16:46","date_gmt":"2023-11-17T22:16:46","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2867"},"modified":"2023-11-17T23:16:46","modified_gmt":"2023-11-17T22:16:46","slug":"grinding-camshaft-bearing-journals-2","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/17\/grinding-camshaft-bearing-journals-2\/","title":{"rendered":"Grinding camshaft bearing journals"},"content":{"rendered":"

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05\u2014225 Grinding camshaft bearing journals<\/div>\n<\/div>\n<\/td>\n
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Data<\/strong><\/div>\n<\/div>\n<\/td>\n
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Roughness of camshaft bearing journals<\/div>\n<\/div>\n<\/td>\n
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0.003<\/div>\n<\/div>\n<\/td>\n
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Permissible runout of center bearing journals and camshaft sprocket seat when mounting camshaft at outer bearing journals<\/div>\n<\/div>\n<\/td>\n
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Camshaft code number1<\/sup>)<\/div>\n<\/div>\n<\/td>\n
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00<\/div>\n<\/div>\n<\/td>\n
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05,08<\/div>\n<\/div>\n<\/td>\n
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Camshaft sprocket seat<\/div>\n<\/div>\n<\/td>\n
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0.020<\/div>\n<\/div>\n<\/td>\n
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0.025<\/div>\n<\/div>\n<\/td>\n
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2nd bearing point<\/div>\n<\/div>\n<\/td>\n
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0.030<\/div>\n<\/div>\n<\/td>\n
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0.030<\/div>\n<\/div>\n<\/td>\n
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3rd bearing point<\/div>\n<\/div>\n<\/td>\n
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0.025<\/div>\n<\/div>\n<\/td>\n
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0.030<\/div>\n<\/div>\n<\/td>\n
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Scleroscope hardness of cams<\/div>\n<\/div>\n<\/td>\n
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70-82<\/div>\n<\/div>\n<\/td>\n
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64-75<\/div>\n<\/div>\n<\/td>\n
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Bearing points (Fig.)<\/div>\n<\/div>\n<\/td>\n
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b, c and d<\/div>\n<\/div>\n<\/td>\n
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Camshaft bearing dia.<\/div>\n<\/div>\n<\/td>\n
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35.00 <\/u>35.02<\/div>\n<\/div>\n<\/td>\n
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46.50 46.52<\/div>\n<\/div>\n<\/td>\n
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49.00 <\/u>49.02<\/div>\n<\/div>\n<\/td>\n
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Standard dimension<\/div>\n<\/div>\n<\/td>\n
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Journal dia.<\/div>\n<\/div>\n<\/td>\n
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34.95 34.93<\/div>\n<\/div>\n<\/td>\n
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46.45 <\/u>46.43<\/div>\n<\/div>\n<\/td>\n
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48.95 48.93<\/div>\n<\/div>\n<\/td>\n
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Camshaft bearing dia. (color code grey)<\/div>\n<\/div>\n<\/td>\n
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34.90 34.92<\/div>\n<\/div>\n<\/td>\n
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46.40 46.42<\/div>\n<\/div>\n<\/td>\n
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48.90 48.92<\/div>\n<\/div>\n<\/td>\n
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Intermediate stage<\/div>\n<\/div>\n<\/td>\n
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Journal dia.<\/div>\n<\/div>\n<\/td>\n
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34.85 34.83<\/div>\n<\/div>\n<\/td>\n
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46.35 <\/u>46.33<\/div>\n<\/div>\n<\/td>\n
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48.85 48.83<\/div>\n<\/div>\n<\/td>\n
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Camshaft bearing dia. (color code red)<\/div>\n<\/div>\n<\/td>\n
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34.75 <\/u>34.77<\/div>\n<\/div>\n<\/td>\n
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46.25 46.27<\/div>\n<\/div>\n<\/td>\n
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48.75 <\/u>48.77<\/div>\n<\/div>\n<\/td>\n
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Repair stage I<\/div>\n<\/div>\n<\/td>\n
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Journal dia.<\/div>\n<\/div>\n<\/td>\n
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34.70 34.68<\/div>\n<\/div>\n<\/td>\n
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46.20 46.18<\/div>\n<\/div>\n<\/td>\n
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48.70 <\/u>48.68<\/div>\n<\/div>\n<\/td>\n
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Width A of journal a (Fig.)<\/div>\n<\/div>\n<\/td>\n
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34.00 <\/u>34.04<\/div>\n<\/div>\n<\/td>\n
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radial<\/div>\n<\/div>\n<\/td>\n
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0.050-0.084<\/div>\n<\/div>\n<\/td>\n
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Bearing play<\/div>\n<\/div>\n<\/td>\n
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axial<\/div>\n<\/div>\n<\/td>\n
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0.07-0.15<\/div>\n<\/div>\n<\/td>\n
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’) Code number is punched into rear end of camshaft. 2<\/sup>) Camshaft bearings and journal dia. on engine 617.95C<\/div>\n<\/div>\n<\/td>\n
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lodel year 1980 with increased output and engines 617.951\/952.<\/div>\n<\/div>\n<\/td>\n
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Special tool<\/strong><\/div>\n<\/div>\n<\/td>\n
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Dial gage holder for end play of camshaft (2 each)<\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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363 589 02 21 00<\/div>\n<\/div>\n<\/td>\n
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11OO4-W150<\/strong><\/div>\n<\/div>\n<\/td>\n
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Conventional tool<\/strong><\/div>\n<\/div>\n<\/td>\n
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Dial gage A 1 DIN 878<\/div>\n<\/div>\n<\/td>\n
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e.g. made by Mahr, D-7300 Esslingen Order No. 810<\/div>\n<\/div>\n<\/td>\n
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05.8-225\/1 F 2<\/div>\n<\/div>\n<\/td>\n
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Note<\/strong><\/div>\n
In the event of repairs, regrind camshaft in accord\u00adance with available camshaft bearings.<\/div>\n
Camshaft bearing journals are not hardened.<\/div>\n<\/div>\n<\/td>\n
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If dimension A is exceeded when grinding 1st bearing journal, also regrind face a.<\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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Measuring end play<\/strong><\/div>\n<\/div>\n<\/td>\n
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\"om617<\/p>\n

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1\u00a0 \u00a0 Screw on dial gage holder with threaded sleeve at front left.<\/div>\n
2\u00a0 \u00a0Position dial gage at approx. 3 mm preload against thrust flange of camshaft.<\/div>\n
3\u00a0 \u00a0Push camshaft toward the rear and set large needle to zero.<\/div>\n<\/div>\n<\/td>\n
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4 Push camshaft forward and determine end play.<\/div>\n
Note: <\/strong>If the end play is too low, touch up 1st cam\u00adshaft bearing at its face surfaces (arrow).<\/div>\n
If the end play is too high, regrind face a on 1st bear\u00ading journal of camshaft.<\/div>\n<\/div>\n<\/td>\n
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\"om617<\/div>\n<\/td>\n
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105-14778\/1<\/strong><\/div>\n<\/div>\n<\/td>\n
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05.8-225\/2<\/div>\n<\/div>\n<\/td>\n
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    05\u2014225 Grinding camshaft bearing journals   Data   Roughness of camshaft bearing journals 0.003   Permissible runout of center bearing journals and camshaft sprocket seat when mounting camshaft at outer bearing journals Camshaft code number1) 00 05,08 Camshaft sprocket seat 0.020 0.025 2nd bearing point 0.030 0.030 3rd bearing point 0.025 0.030   Scleroscope hardness of cams 70-82 64-75   Bearing points (Fig.) b, c and d   Camshaft bearing dia. 35.00 35.02 46.50 46.52 49.00 49.02   Standard dimension   Journal dia. 34.95 34.93 46.45 46.43 48.95 48.93   Camshaft bearing dia. (color code grey) 34.90 34.92 46.40 46.42 48.90 48.92   Intermediate stage   Journal dia. 34.85 34.83 46.35 46.33 48.85 48.83   Camshaft bearing dia. (color code red) 34.75 34.77 46.25 46.27 48.75 48.77   Repair stage I   Journal dia. 34.70 34.68 46.20 46.18 48.70 48.68   Width A of journal a (Fig.) 34.00 34.04   radial 0.050-0.084   Bearing play   axial 0.07-0.15   ’) Code number is punched into rear end of camshaft. 2) Camshaft bearings and journal dia. on engine 617.95C lodel year 1980 with increased output and engines 617.951\/952.   Special tool   Dial gage holder for end play of camshaft (2 each) 363 589 02 21 00 11OO4-W150   Conventional tool   Dial gage A 1 DIN 878 e.g. made by Mahr, D-7300 Esslingen Order No. 810   05.8-225\/1 F 2       Note In the event of repairs, regrind camshaft in accord\u00adance with available camshaft bearings. Camshaft bearing journals are not hardened.   If dimension A is exceeded when grinding 1st bearing journal, also regrind face a.   Measuring end play \\ 1\u00a0 \u00a0 Screw on dial gage holder with threaded sleeve at front left. 2\u00a0 \u00a0Position dial gage at approx. 3 mm preload against thrust flange of camshaft. 3\u00a0 \u00a0Push camshaft toward the rear and set large needle to zero.   4 Push camshaft forward and determine end play. Note: If the end play is too low, touch up 1st cam\u00adshaft bearing at its face surfaces (arrow). If the end play is too high, regrind face a on 1st bear\u00ading journal of camshaft.   105-14778\/1   05.8-225\/2          <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[48,44],"tags":[],"class_list":["post-2867","post","type-post","status-publish","format-standard","hentry","category-engine-timing-valves","category-om617"],"aioseo_notices":[],"featured_image_src":null,"author_info":{"display_name":"mackuz","author_link":"https:\/\/mbci.mackuz.ovh\/index.php\/author\/mackuz\/"},"_links":{"self":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/comments?post=2867"}],"version-history":[{"count":1,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2867\/revisions"}],"predecessor-version":[{"id":2868,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2867\/revisions\/2868"}],"wp:attachment":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/media?parent=2867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/categories?post=2867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/tags?post=2867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}