AR05.30-T-3010CB | Test valve springs | 14.5.03 |
ENGINE 457.941 in MODELNMB613.368
ENGINE 457.944 in MODELNMB613.367
D05.30-0067-05
1 Valve spring
2 Spring test balance
| Remove | ||
1 | Remove cylinder head | On model 613.367 | |
On model 613.368 | |||
2.1 | Remove valve springs | With valve lifter and adapter | |
| |||
| |||
| |||
| |||
2.2 | Remove valve springs | With valve tool case | |
| |||
Testing | |||
3 | Clean valve springs (1) and insert into the spring test balance (2) | | |
4 | Inspect valve springs (1) to the specifications with the spring test balance (2) | | |
If the specifications are not achieved, the valve springs must be replaced. | |||
| Install | ||
5.1 | Install valve springs | With valve lifter and adapter | |
| |||
| |||
| |||
| |||
5.2 | Install valve springs | With valve tool case | |
| |||
6 | Install cylinder head | On model 613.367 | |
On model 613.368 |
Inspection data of valve springs
Number | Designation | Engine 457.9 | ||
BE05.30-N-1001-05F | Inlet and exhaust valve springs | Length untensioned | mm | 69,7 |
Length when tensioned with | mm | 49 | ||
Length when tensioned with | mm | 37 | ||
Wire Ø | mm | 4,2 | ||
Inner Ø | mm | 28,9 | ||
Outer Ø | mm | 24.5...24.9 | ||
442 589 00 31 00
Valve tool case
Valve lifter
Magnet finger
Adapter piece
116 589 06 63 00
541 589 00 61 00
904 589 00 31 00
Commercially available tools