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AR05.20-W-6292B | Remove/install camshaft | 10.11.11 |
ENGINES 541.9 in MODEL 950, 952, 953, 954
ENGINES 542.9 in MODEL 950, 952, 954
W05.20-0010-09
Shown on engine 541.9
1 Roller tappet
2 Push rods
4 Crankshaft gear
3 Camshaft with camshaft sprocket
W05.20-0011-01
Shown on engine 541.9
1 Roller tappet
3 Camshaft with camshaft sprocket
5 Clamp fixture
6 Guide sleeve
W05.20-0009-01
Modification notes
| Remove/install | ||
1 | Remove engine | ||
2 | Fit engine with the fastening angle to the engine assembly stand | Engine assembly stand for commercial vehicles | |
Mounting bracket | |||
3 | Remove oil pan | ||
4 | Remove timing case | ||
5 | Remove oil filter housing | ||
6 | Remove all MR/PLD unit pumps | ||
7 | Remove all cylinder heads | ||
8 | Remove tappet rods (2) | When pulling out tappet rods (2), turn them so that they detach from the roller tappet (1) and the roller tappet (1) is not pulled out of the crankcase. | |
Installation: Oil push rods (2) with engine oil and ensure they are correctly located in the roller tappet (1). | |||
9 | Use the clamping bracket (5) to pull the roller tappet (1) out of the crankcase | Mark roller tappets (1) to crankcase. | |
Installation: Perform a visual inspection of the surface of the roller tappet (1) and check for wear and damage. | |||
The roller tappet (1) can be used again if there are minimal score marks or scratches. | |||
If there are deep scores, scratches or grinding marks the roller tappet (1) concerned must be replaced. | |||
Push in the roller tappet (1) wit the clamping bracket (5), in the process, pay attention to the groove in the crankcase and the guide on the roller tappet (1). | |||
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10 | Fit guide sleeve (6) to the camshaft with the camshaft sprocket (3) | | |
11 | Remove camshaft with the camshaft sprocket (3) | Carefully pull camshaft with camshaft sprocket (3) out of the crankcase and in the process, push back the guide sleeve (6). | |
Installation: Oil camshaft with the camshaft sprocket (3) and camshaft bearing with engine oil. Carefully push the camshaft with camshaft sprocket (3) with the guide sleeve (6) into the crankcase, do not damage the camshaft bearing. The markings (arrows) on the camshaft sprocket and on the crankshaft gear (4) must agree. | |||
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| Check | ||
12 | Perform a visual inspection of the cams of the camshaft with camshaft sprocket (3) and check for damage and wear | If scratches or scoring are minimal, the camshaft with camshaft sprocket (3) can be reused. | |
If there are deep scores, scratches or grinding marks, the camshaft with camshaft sprocket (3) must be replaced. | |||
13 | Check camshaft with camshaft sprocket (3) for hardness, smooth operation and cam elevation | ||
Hardness of cams and journals | |||
Camshaft smooth operation deviation | |||
Cam elevation - intake and exhaust valve cams | |||
Cam elevation unit pump cams | |||
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14 | Install in the reverse order | ||
15 | Fillling the engine oil circuit |
Check values for camshaft
Number | Designation | Engine 541.9, 542.9 | ||
BE05.20-N-1006-04C | Hardness of cams and journals | HRC | 58 to 62 | |
BE05.20-N-1007-04C | Camshaft radial runout when mounted on outside bearing journals | Cam base circle | mm | 0.050 |
Bearing point | mm | 0.050 | ||
BE05.20-N-1008-04C | Cam elevation, valve cams over base circle dia. | Inlet | mm | 8.0 to 8.3 |
Outlet | mm | 8.3 to 8.5 | ||
BE05.20-N-1009-04C | Cam elevation, unit pump over base circle dia. | mm | 17.7 to 18.0 | |
001 589 53 21 00
Dial indicator holder
Dial indicator
Hardness tester
Guide sleeve
000 589 20 21 00
363 589 02 21 00
541 589 00 14 00
Clamping bracket
541 589 00 63 00