{"id":2347,"date":"2023-11-08T19:56:50","date_gmt":"2023-11-08T19:56:50","guid":{"rendered":"https:\/\/mbci.mackuz.ovh\/?p=2347"},"modified":"2023-11-08T19:56:50","modified_gmt":"2023-11-08T19:56:50","slug":"mounting-of-crankshaft","status":"publish","type":"post","link":"https:\/\/mbci.mackuz.ovh\/index.php\/2023\/11\/08\/mounting-of-crankshaft\/","title":{"rendered":"Mounting of crankshaft"},"content":{"rendered":"

 <\/p>\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03-320 Mounting of crankshaft<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Data<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Crankshaft standard dimension and repair stages<\/div>\n<\/div>\n<\/td>\n
\n
\n
Crankshaft bearing journal dia<\/div>\n<\/div>\n<\/td>\n
\n
\n
Width of journal on fitted bearing<\/div>\n<\/div>\n<\/td>\n
\n
\n
Crankpin dia<\/div>\n<\/div>\n<\/td>\n
\n
\n
Width of crankpin<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Standard dimension<\/div>\n<\/div>\n<\/td>\n
\n
\n
59.965 59.955<\/div>\n<\/div>\n<\/td>\n
\n
\n
29.021 29.000<\/div>\n<\/div>\n<\/td>\n
\n
\n
47.965 47.955<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
\n
28.084 28.000<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1st repair stage<\/div>\n<\/div>\n<\/td>\n
\n
\n
59.715 59.705<\/div>\n<\/div>\n<\/td>\n
\n
\n
up to 29.60<\/div>\n<\/div>\n<\/td>\n
\n
\n
47.715 47.705<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
\n
up to 28.30<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
2nd repair stage<\/div>\n<\/div>\n<\/td>\n
\n
\n
59.465 59.455<\/div>\n<\/div>\n<\/td>\n
\n
\n
47.465 47.455<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
3rd repair stage<\/div>\n<\/div>\n<\/td>\n
\n
\n
59.215 59.205<\/div>\n<\/div>\n<\/td>\n
\n
\n
47.215 <\/strong>47.205<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
4th repair stage<\/div>\n<\/div>\n<\/td>\n
\n
\n
58.965 58.955<\/div>\n<\/div>\n<\/td>\n
\n
\n
46.965 46.955<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Basic bore and bearing play<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
\n
Crankshaft<\/div>\n<\/div>\n<\/td>\n
\n
\n
bearing<\/div>\n<\/div>\n<\/td>\n
\n
\n
Connecting rod bearing<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Basic bore dia<\/div>\n<\/div>\n<\/td>\n
\n
\n
67.00<\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

\n
\n
51.60<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
<\/div>\n

 <\/td>\n

\n
\n
67.02<\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

\n
\n
51.62<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Perm, out-of-round and conicity of basic bore<\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

\n
\n
0.01<\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
when new<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.031 to 0.0531<\/sup>)<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.025 to 0.0651<\/sup><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Radial bearing play<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
wear limit<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.08<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
when new<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.10-0.24<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.11-0.23<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Axial bearing play<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
wear limit<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.30<\/div>\n<\/div>\n<\/td>\n
\n
\n
0.50<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1<\/sup> ) Try for mean value of radial<\/div>\n<\/div>\n<\/td>\n
\n
\n
play (vertical runout).<\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

\n
<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Bearing shells<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
\n
Wall thickness crankshaft bearing<\/div>\n<\/div>\n<\/td>\n
\n
\n
Width of fitted bearing shells<\/div>\n<\/div>\n<\/td>\n
\n
\n
Wall thickness connecting rod bearing<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Standard dimension<\/div>\n<\/div>\n<\/td>\n
\n
\n
3.500-3.513<\/div>\n<\/div>\n<\/td>\n
\n
\n
28.78-28.90<\/div>\n<\/div>\n<\/td>\n
\n
\n
1.804-1.814<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1st repair stage 2nd repair stage 3rd repair stage 4th repair stage<\/div>\n<\/div>\n<\/td>\n
\n
\n
3.625-3.638 3.750-3.763 3.875-3.888 4.000-4.013<\/div>\n<\/div>\n<\/td>\n
\n
\n
29.4-29.63<\/sup>)<\/div>\n<\/div>\n<\/td>\n
\n
\n
1.929-1.939 2.054-2.064 2.179-2.189 2.304-2.314<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1)\u00a0 \u00a0 Measured at apex of bearing shell.<\/div>\n
2)\u00a0 \u00a0 The fitted bearing shells for 1st to 4th repair stage are supplied in oversize width and should be refinished in accordance with ground crankshaft bearing journal.<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/1 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Tightening torques<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
\n
Nm<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Crankshaft bearing bolts<\/div>\n<\/div>\n<\/td>\n
\n
\n
80<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
initial torque<\/div>\n<\/div>\n<\/td>\n
\n
\n
40-50<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Connecting rod nuts<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
<\/div>\n

 <\/td>\n

\n
\n
angle of rotation torque<\/div>\n<\/div>\n<\/td>\n
\n
\n
90-100u<\/sup><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Balancing disc to crankshaft<\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

\n
\n
400-450<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Necked down screws for<\/div>\n<\/div>\n<\/td>\n
\n
\n
initial torque<\/div>\n<\/div>\n<\/td>\n
\n
\n
30-40<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
flywheel or driven pfate<\/div>\n<\/div>\n<\/td>\n
\n
\n
angle of rotation torque<\/div>\n<\/div>\n<\/td>\n
\n
\n
90-100\u00b0<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Special tools<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
<\/div>\n

 <\/td>\n

\n
<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Puller for balancing disc<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
\n
\n
116 589 10 33 00<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Puller for crankshaft gear<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
\n
\n
615 5? 9 01 33 00<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Detent<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
\n
\n
110 589 00 40 00<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Countersupport for internal puller<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
\n
\n
000 589 33 33 00<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Internal puller 14.5\u201418.5 mm for radial ball bearing<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
\n
\n
000 589 25 33 00<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Dial gauge holder for measuring end play<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
\n
\n
116 589 12 21 00<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/2 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Note<\/strong><\/div>\n
Engine removed and disassembled.<\/div>\n
Main oil duct in crankcase open (if with steel balls, refer to 01-130). Oil ducts in crankcase and in crank\u00adshaft carefully cleaned.<\/div>\n
Test crankshaft for cracks, accuracy and hardness (03-318).<\/div>\n
When grinding crankpins a difference of one repair stage only permitted per crankshaft.<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Associating cranskhaft bearings, installing crankshaft<\/strong><\/div>\n
1<\/strong>\u00a0 \u00a0 Install crankshaft bearing cap. Pay attention to identification, 1 is at front (arrows).<\/div>\n
Do not mix up crankshaft bearing caps.<\/div>\n
2\u00a0 \u00a0Tighten bolts to 80 Nm.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
3 Measure basic bore in direction A, B and C in two levels (conicity).<\/div>\n
If a basic bore exceeds the specified value or is coni\u00adcal, touch up bearing cap at its contact surface on a surface plate up to max. 0.02 mm.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
4 Insert crankshaft bearing shells and mount bearing cap. Tighten bolts to 80 Nm torque.<\/div>\n
Attention!<\/strong><\/div>\n
When associating crankshaft bearing shells, observe the two different crankshafts.<\/div>\n
On crankshafts with tapered bore (2nd version) install crankshaft bearing shells with 360\u00b0 oil groove.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1O3-13SS1<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/3 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/4 F2<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
5 Measure bearing dia and write down.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
6 Measure crankshaft bearing journal, find radial crankshaft bearing play (vertical runout).<\/div>\n
Note: <\/strong>The bearing play can be corrected by exchanging bearing shells, while trying for lower value (0.031 mm) of specified bearing play. Crankshaft bearing shells without color code are thicker than those with a blue color code, but the fact must be taken into consideration that a wall thickness without and one with color code may overlap.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
7 Measure width of fitted bearing journal and fitted bearing.<\/div>\n
Measure crankshaft bearing end play.<\/div>\n
Note: <\/strong>The fitted bearing shells of the repair stages are supplied at oversize.<\/div>\n
Both fitted bearing shells must be machined on both sides down to width of fitted bearing journal minus end play. Try for lower value of 0.10 mm.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
8\u00a0 \u00a0Replace rear crankshaft radial sealing ring (03-327).<\/div>\n
9\u00a0 \u00a0Provide bearing shells, crankshaft and radial sealing ring with engine oil and install crankshaft.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/5 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
10\u00a0 \u00a0Provide screws on threads and on screw head contact surface with oil and tighten to<\/div>\n
80 Nm.<\/div>\n
Note: <\/strong>Since January 1976 there are no more washers on crankshaft bearing bolts.<\/div>\n
11\u00a0 \u00a0 Measure end play of crankshaft bearings.<\/div>\n
12\u00a0 \u00a0 Rotate crankshaft manually and check whether shaft is freely running.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Associating connecting rod bearings and installing <\/strong>connecting rods<\/strong><\/div>\n
13\u00a0 \u00a0Check connecting rod bolts (03-310).<\/div>\n
14\u00a0 \u00a0 Recondition connecting rods and square (03-313).<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
R-3784<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
15\u00a0 \u00a0 Mount connecting rod bearing caps while paying attention to identification. Tighten connecting rod nuts to 40-50 Nm.<\/div>\n
16\u00a0 \u00a0Measure basic bore in two directions. If a basic bore exceeds the specified value or is tapered, touch up bearing cap at its contact surface on a surface plate up to max 0.02 mm.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
17 Insert connecting rod bearing shells, mount connecting rod bearing caps with bearing shells and tighten connecting rod nuts to 40\u201450 <\/strong>Nm.<\/div>\n
Attention!<\/strong><\/div>\n
Connecting rod bearing shell in connecting rod has an oil bore for lubricating piston pin.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/6 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
18\u00a0 \u00a0Measure bearing dia and write down.<\/div>\n
19\u00a0 \u00a0Measure crankpins, determine radial play (verti\u00adcal runout) of connecting rod bearings.<\/div>\n
Note: <\/strong>The bearing play can be corrected by exchan\u00adging bearing shells, while trying for mean value (0.04 mm) of specified bearing play. Crankshaft bearing shells without color code are thicker than those with a blue color code, but the fact must be taken into consideration that a wall thickness without and one with color code may overlap.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
20\u00a0 \u00a0Mount piston on connecting rod (03\u2014316).<\/div>\n
21\u00a0 \u00a0 Provide bearing shells, crankshaft, piston and cylinder with engine oil. Install connecting rod with piston (03-316).<\/div>\n
Pay attention to identification.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
103-S914!!<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
22 Tighten connecting rod nuts to 40\u201450 Nm initial torque <\/strong>and 90\u2014100\u00b0 angle of rotation.<\/strong><\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
23 Measure end play of. connecting rod bearing. Check connecting rod in piston for unobstructed operation.<\/div>\n
Attention!<\/strong><\/div>\n
Disassemble and clean oil pump, renew if required. Renew oil pressure relief valve. Disassemble oil filter top and clean. Carefully clean air-oil cooler.<\/div>\n
Install initial operation oil filter element. Change engine oil and oil filter element after 1000\u20141500 km.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/7 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Crankshafts with riveted-on additional weight may not be used together with oil pumps, which are provided with a recess (arrow) on housing shaft.<\/div>\n<\/div>\n<\/td>\n
\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
Crankshaft and bearing shells<\/strong><\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\"m110<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
1\u00a0 \u00a0 Crankshaft bearing shells with oil groove and oil bore for bearing 1, 2, 5, 6 and 7<\/div>\n
2\u00a0 \u00a0 Fitted bearing shell with oil groove and oil bore for bearing 3<\/div>\n
3\u00a0 \u00a0 Crankshaft bearing shell with 2 oil pockets and 2 oil bores for bearing 4<\/div>\n
4\u00a0 \u00a0 Woodruff key<\/div>\n
5\u00a0 \u00a0 Crankshaft<\/div>\n
6\u00a0 \u00a0 Cyl. pin 10h8 x 18<\/div>\n
7\u00a0 \u00a0 Radial ball bearing<\/div>\n
8\u00a0 \u00a0 Closing ring<\/div>\n
9\u00a0 \u00a0 Additional weight<\/div>\n
10\u00a0 \u00a0 4 Countersunk rivets 6 x 28 mm DIN 661 MUSt 34<\/div>\n
11\u00a0 \u00a0 \u00a01 st version crankshaft bearing shells without oil groove and oil bore for bearing cap 1, 2, 5, 6 and 7 and crankshaft with T-bore<\/div>\n
2nd version crankshaft bearing shells with oil groove and oil bore for bearing cap 1, 2, 5, 6 and 7 and crankshaft with 360\u00b0 tapered bore<\/div>\n<\/div>\n<\/td>\n
\n
\n
12<\/div>\n<\/div>\n<\/td>\n
\n
\n
1st version fitted bearing shell without oil groove and oil bore for crankshaft with T-bore<\/div>\n
2nd version fitted bearing shell with oil groove and<\/div>\n
011\u00a0 bore for crankshaft with 360\u00b0 tapered bore Crankshaft bearing shell without oil groove and oil bore for bearing cap 4<\/div>\n
12\u00a0screws for crankshaft bearing cap<\/div>\n
2 screws for crankshaft bearing cap (for fastening<\/div>\n
oil pump)<\/div>\n
Crankshaft bearing cap 1, 2, 5, 6 and 7<\/div>\n
Crankshaft bearing cap 4 (fitted bearing)<\/div>\n
Crankshaft bearing cap 4 (with oil groove)<\/div>\n
7 cyl. pins 10 m 6 x 16<\/div>\n
7 cyl. pins 8 m 6 x 16<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
13<\/div>\n
14 15<\/div>\n
16 17 18 19 20<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n\n
\n
03.2-320\/8 F 3<\/div>\n<\/div>\n<\/td>\n
<\/td>\n<\/tr>\n
<\/td>\n\n
\n
<\/div>\n<\/div>\n

 <\/td>\n

<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

    03-320 Mounting of crankshaft   Data   Crankshaft standard dimension and repair stages Crankshaft bearing journal dia Width of journal on fitted bearing Crankpin dia Width of crankpin Standard dimension 59.965 59.955 29.021 29.000 47.965 47.955 28.084 28.000 1st repair stage 59.715 59.705 up to 29.60 47.715 47.705 up to 28.30 2nd repair stage 59.465 59.455 47.465 47.455 3rd repair stage 59.215 59.205 47.215 47.205 4th repair stage 58.965 58.955 46.965 46.955   Basic bore and bearing play Crankshaft bearing Connecting rod bearing Basic bore dia 67.00   51.60   67.02   51.62 Perm, out-of-round and conicity of basic bore   0.01     when new 0.031 to 0.0531) 0.025 to 0.0651   Radial bearing play   wear limit 0.08   when new 0.10-0.24 0.11-0.23   Axial bearing play   wear limit 0.30 0.50   1 ) Try for mean value of radial play (vertical runout).     Bearing shells Wall thickness crankshaft bearing Width of fitted bearing shells Wall thickness connecting rod bearing Standard dimension 3.500-3.513 28.78-28.90 1.804-1.814   1st repair stage 2nd repair stage 3rd repair stage 4th repair stage 3.625-3.638 3.750-3.763 3.875-3.888 4.000-4.013 29.4-29.63) 1.929-1.939 2.054-2.064 2.179-2.189 2.304-2.314   1)\u00a0 \u00a0 Measured at apex of bearing shell. 2)\u00a0 \u00a0 The fitted bearing shells for 1st to 4th repair stage are supplied in oversize width and should be refinished in accordance with ground crankshaft bearing journal.   03.2-320\/1 F 3       Tightening torques Nm   Crankshaft bearing bolts 80   initial torque 40-50 Connecting rod nuts     angle of rotation torque 90-100u Balancing disc to crankshaft   400-450 Necked down screws for initial torque 30-40 flywheel or driven pfate angle of rotation torque 90-100\u00b0 Special tools       Puller for balancing disc 116 589 10 33 00   Puller for crankshaft gear 615 5? 9 01 33 00   Detent 110 589 00 40 00   Countersupport for internal puller 000 589 33 33 00   Internal puller 14.5\u201418.5 mm for radial ball bearing 000 589 25 33 00   Dial gauge holder for measuring end play 116 589 12 21 00   03.2-320\/2 F 3       Note Engine removed and disassembled. Main oil duct in crankcase open (if with steel balls, refer to 01-130). Oil ducts in crankcase and in crank\u00adshaft carefully cleaned. Test crankshaft for cracks, accuracy and hardness (03-318). When grinding crankpins a difference of one repair stage only permitted per crankshaft.   Associating cranskhaft bearings, installing crankshaft 1\u00a0 \u00a0 Install crankshaft bearing cap. Pay attention to identification, 1 is at front (arrows). Do not mix up crankshaft bearing caps. 2\u00a0 \u00a0Tighten bolts to 80 Nm.   3 Measure basic bore in direction A, B and C in two levels (conicity). If a basic bore exceeds the specified value or is coni\u00adcal, touch up bearing cap at its contact surface on a surface plate up to max. 0.02 mm.   4 Insert crankshaft bearing shells and mount bearing cap. Tighten bolts to 80 Nm torque. Attention! When associating crankshaft bearing shells, observe the two different crankshafts. On crankshafts with tapered bore (2nd version) install crankshaft bearing shells with 360\u00b0 oil groove.   1O3-13SS1   03.2-320\/3 F 3           03.2-320\/4 F2       5 Measure bearing dia and write down.   6 Measure crankshaft bearing journal, find radial crankshaft bearing play (vertical runout). Note: The bearing play can be corrected by exchanging bearing shells, while trying for lower value (0.031 mm) of specified bearing play. Crankshaft bearing shells without color code are thicker than those with a blue color code, but the fact must be taken into consideration that a wall thickness without and one with color code may overlap.   7 Measure width of fitted bearing journal and fitted bearing. Measure crankshaft bearing end play. Note: The fitted bearing shells of the repair stages are supplied at oversize. Both fitted bearing shells must be machined on both sides down to width of fitted bearing journal minus end play. Try for lower value of 0.10 mm.   8\u00a0 \u00a0Replace rear crankshaft radial sealing ring (03-327). 9\u00a0 \u00a0Provide bearing shells, crankshaft and radial sealing ring with engine oil and install crankshaft.   03.2-320\/5 F 3       10\u00a0 \u00a0Provide screws on threads and on screw head contact surface with oil and tighten to 80 Nm. Note: Since January 1976 there are no more washers on crankshaft bearing bolts. 11\u00a0 \u00a0 Measure end play of crankshaft bearings. 12\u00a0 \u00a0 Rotate crankshaft manually and check whether shaft is freely running.   Associating connecting rod bearings and installing connecting rods 13\u00a0 \u00a0Check connecting rod bolts (03-310). 14\u00a0 \u00a0 Recondition connecting rods and square (03-313).   R-3784   15\u00a0 \u00a0 Mount connecting rod bearing caps while paying attention to identification. Tighten connecting rod nuts to 40-50 Nm. 16\u00a0 \u00a0Measure basic bore in two directions. If a basic bore exceeds the specified value or is tapered, touch up bearing cap at its contact surface on a surface plate up to max 0.02 mm.   17 Insert connecting rod bearing shells, mount connecting rod bearing caps with bearing shells and tighten connecting rod nuts to 40\u201450 Nm. Attention! Connecting rod bearing shell in connecting rod has an oil bore for lubricating piston pin.   03.2-320\/6 F 3       18\u00a0 \u00a0Measure bearing dia and write down. 19\u00a0 \u00a0Measure crankpins, determine radial play (verti\u00adcal runout) of connecting rod bearings. Note: The bearing play can be corrected by exchan\u00adging bearing shells, while trying for mean value (0.04 mm) of specified bearing play. Crankshaft bearing shells without color code are thicker than those with a blue color code, but the fact must be taken into consideration that a wall thickness without and one with color code may overlap.   20\u00a0 \u00a0Mount piston on connecting rod (03\u2014316). 21\u00a0 \u00a0 Provide bearing shells, crankshaft, piston and cylinder with engine oil. Install connecting rod with piston (03-316). Pay attention to identification.   103-S914!!   22 Tighten connecting rod nuts to 40\u201450 Nm initial torque and 90\u2014100\u00b0 angle of rotation.   23 Measure end play of. connecting rod bearing. Check connecting rod in piston for unobstructed operation. Attention! Disassemble and clean oil pump, renew if required. Renew oil pressure relief valve. Disassemble oil filter top and clean. Carefully clean air-oil cooler. Install initial operation oil filter element. Change engine oil and oil filter element after 1000\u20141500 km.   03.2-320\/7 F 3       Crankshafts with riveted-on additional weight may not be used together with oil pumps, which are provided with a recess (arrow) on housing shaft.   Crankshaft and bearing shells   1\u00a0 \u00a0 Crankshaft bearing shells with oil groove and oil bore for bearing 1, 2, 5, 6 and 7 2\u00a0 \u00a0 Fitted bearing shell with oil groove and oil bore for bearing 3 3\u00a0 \u00a0 Crankshaft bearing shell with 2 oil pockets and 2 oil bores for bearing 4 4\u00a0 \u00a0 Woodruff key 5\u00a0 \u00a0 Crankshaft 6\u00a0 \u00a0 Cyl. pin 10h8 x 18 7\u00a0 \u00a0 Radial ball bearing 8\u00a0 \u00a0 Closing ring 9\u00a0 \u00a0 Additional weight 10\u00a0 \u00a0 4 Countersunk rivets 6 x 28 mm DIN 661 MUSt 34 11\u00a0 \u00a0 \u00a01 st version crankshaft bearing shells without oil groove and oil bore for bearing cap 1, 2, 5, 6 and 7 and crankshaft with T-bore 2nd version crankshaft bearing shells with oil groove and oil bore for bearing cap 1, 2, 5, 6 and 7 and crankshaft with 360\u00b0 tapered bore 12 1st version fitted bearing shell without oil groove and oil bore for crankshaft with T-bore 2nd version fitted bearing shell with oil groove and 011\u00a0 bore for crankshaft with 360\u00b0 tapered bore Crankshaft bearing shell without oil groove and oil bore for bearing cap 4 12\u00a0screws for crankshaft bearing cap 2 screws for crankshaft bearing cap (for fastening oil pump) Crankshaft bearing cap 1, 2, 5, 6 and 7 Crankshaft bearing cap 4 (fitted bearing) Crankshaft bearing cap 4 (with oil groove) 7 cyl. pins 10 m 6 x 16 7 cyl. pins 8 m 6 x 16 13 14 15 16 17 18 19 20   03.2-320\/8 F 3              <\/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":[30,27],"tags":[],"class_list":["post-2347","post","type-post","status-publish","format-standard","hentry","category-crankshaft-assembly","category-m110"],"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\/2347","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=2347"}],"version-history":[{"count":1,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2347\/revisions"}],"predecessor-version":[{"id":2348,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/posts\/2347\/revisions\/2348"}],"wp:attachment":[{"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/media?parent=2347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/categories?post=2347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mbci.mackuz.ovh\/index.php\/wp-json\/wp\/v2\/tags?post=2347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}