AR03.20-D-4355SD | Measure crankshaft and remount in bearings | 5.8.10 |
ENGINES 646.984 /985 /986 /989 /990 in MODEL 906
N03.20-2053-06
20 Crankshaft
21 Crankshaft bearing shell
22 Thrust plate
23 Thrust plate
24 Crankshaft bearing shell
A Bearing shells in the crankcase
B Bearing shells in the crankshaft bearing caps
| Removing | ||
1 | Remove crankshaft (20) | ||
2 | Knock out main oil gallery steel ball | ||
| Install | ||
3 | Clean engine parts | If bearing damage has occurred, it may be necessary to remove any swarf from the main oil gallery, the conrod bore holes, crankshaft oil ducts (20) and the crankcase. | |
Cold degreasing agent/cold cleaning solvent HAKU 1025-920 | |||
4 | Check connecting rod for wear and damage | Visual inspection. Replace connecting rod, if necessary. | |
5 | Check crankshaft (20) for wear and damage | Visual inspection. Replace crankshaft (20) if necessary. | |
6 | Mount crankshaft (20) radially in bearings | ||
Crankshaft bearing clearance | |||
Dial indicator | |||
The radial mounting of the crankshaft main bearing is fitted by assignment of the crankshaft bearing shells (21, 24) by color marking. See: | |||
Assign crankshaft bearing shells | |||
Main bearing shells standard dimension for crankcase and bearing cap Dia. 58,00 mm | |||
Main bearing shells standard dimension for crankcase and bearing cap Dia. 58,00 mm | |||
Main bearing shells standard dimension for crankcase and bearing cap Dia. 58,00 mm | |||
Main bearing shells standard dimension for bearing cap(s) dia. 58.00 mm | |||
Main bearing shells standard dimension for bearing cap(s) dia. 58.00 mm | |||
Cold degreasing agent/cold cleaning solvent HAKU 1025-920 | |||
7 | Mount crankshaft (20) axially | ||
Crankshaft bearing clearance | |||
Dial indicator | |||
Dial indicator holder | |||
8 | Insert the main oil gallery steel bearing | ||
9 | Install crankshaft (20) |
Inspection data of crankshaft main bearing shells
Number | Designation | Engine | ||
BE03.20-N-1001-03B | Main bearing shells standard dimension for crankcase and bearing cap dia. 58.00 mm | Replacement part additional number (color coding blue) | 52 | |
Bearing shell thickness | mm | 2.255 to 2.260 | ||
BE03.20-N-1002-03B | Main bearing shells standard dimension for crankcase and bearing cap dia. 58.00 mm | Replacement part additional number (color coding yellow) | 54 | |
Bearing shell thickness | mm | 2.260 to 2.265 | ||
BE03.20-N-1003-03B | Main bearing shells standard dimension for crankcase and bearing cap dia. 58.00 mm | Replacement part additional number (color coding red) | 56 | |
Bearing shell thickness | mm | 2.265 to 2.270 | ||
BE03.20-N-1004-03B | Main bearing shells standard dimension for bearing cap dia. 58.00 mm | Replacement part additional number (color coding white) | 57 | |
Bearing shell thickness | mm | 2.270 to 2.275 | ||
BE03.20-N-1005-03B | Main bearing shells standard dimension for bearing cap dia. 58.00 mm | Replacement part additional number (color coding purple) | 58 | |
Bearing shell thickness | mm | 2.275 to 2.280 | ||
Test specifications for crankshaft bearing clearance
Number | Designation | Engine | ||
BE03.20-N-1001-04B | Crankshaft bearing clearance (when new) | Radial measurement new | mm | 0.027 to 0.051 |
radial wear limit | mm | 0.08 | ||
Axial measurement when new | mm | 0.100 to 0.254 | ||
axial wear limit | mm | 0.3 | ||
001 589 53 21 00
363 589 02 21 00
Dial indicator holder
Dial indicator
Repair materials
Number | Designation | Order number |
BR00.45-Z-1051-04A | Cold degreasing agent/cold cleaning solvent HAKU 1025-920 | Chemische Werke Kluthe GmbH |
参照文書
- ar0140s8498sd メイン·オイル·ダクト·スチール·ボールを脱着します。
- ar0320d4351sd クランクシャフトの脱着
- ar0320d435501sd
- ar0320s435502sd クランクシャフトを軸方向に保持します。
- ar0320s436001sd クランクシャフト·ベアリング·シェルを配置します。