AR18.20-B-5050D | Remove/install oil filter bypass valve | 12.02.16 |
Cumbustion engine 457.907, 457.908, 457.909, 457.915, 457.916, 457.922, 457.925, 457.928, 457.929, 457.931, 457.932
Cumbustion engine 460.984 with Vehicle 934.### #R, 934.### #S
B18.20-0021-02
B18.20-0022-02
1 Piston
2 Spring
3 Sealing ring
4 Valve body (plug)
I Engine 457.922/928
II Engine 457.907/908/909/915/916/925/929/931/932
| Remove and install | ||
1 | Turn off the main switch or disconnect the negative battery cable | ||
2.1 | Remove the hose between the turbocharger and the air filter | Trucks with engine 457 931 | |
Trucks with engine 457.922/928 | |||
2.2 | Open the engine compartment hood | Buses with engine 457.907/908/909/915/916/925/ 929/932 and 460.984 Refer to the bodybuilder's instructions. | |
Danger! | Danger of personal injury due to the sudden expulsion of the valve body (4) by the action of the spring (2) | Take due precautions when unscrewing the valve body (4). | |
3 | Unscrew and remove the valve body (4) | Install: Replace the sealing ring (3). | |
| |||
4 | Remove the spring (2) and the piston (1) | ||
| Check | ||
5 | Check the condition of the piston (1) | In the event of damage or wear, replace it. | |
6 | Check the spring (2) | In case of malfunction, replace it. | |
7 | Install in reverse order |
Oil filter
Número | Denominação | Engine 457.9 | |||
BE18.20-B-1001-01C | safety valve spring of engine oil filter | unloaded length | mm | 53,60 | |
length under load from 72 to 81 N | mm | 42,10 | |||
length under load of 150 N | mm | 31,00 | |||
diameter of spring wire | mm | 2,25 | |||
outside diameter of spring | mm | 18,00 | |||
Oil filter