Remove/Install Valves - AR05.30-P-3511MSA
Engine 256.9 in model 213, 238, 257, 290
MODIFICATION NOTES
| 07.08.2019 | Information document AH05.30-P-1000-02SZ, added. | Operation step 4. |
Example illustration
Example illustration
| Remove/install | |||
| 1 | Remove the valve stem seals (5). | AR05.30-P-3510MSA | |
| 2 | Close the compressed air valve on the assembly device (01) and let compressed air out of the assembly device (01). | Fig 1 | |
| 3 | Remove the cylinder head (1) from the assembly device (01). | Fig 1 | |
| 4 | Remove the valves (6). General information on checking valves, valve seats and valve guides | AH05.30-P-1000-02SZ | |
| Check | |||
| 5 | Check valve stems for formation of burrs and pitting. | If ridging is available, ↔ Deburr valve stems. If pitting is present, ↔ Install new valves (6). |
|
| 6 | Check the valve seats for pitting and cracks. | If pitting or cracks are present, ↔ Replace cylinder head (1). | AR01.30-P-5800MSA |
| 7 | Install in the reverse order. |