AR20.40-T-0006AA | Removing and installing proportioning valve | 5.7.01 |
ENGINE 457.942 in MODEL NMB671.015 /020 /021 /030 /042 /332 /333
T20.40-0014-01
Shown on model 671.042
1 Proportioning valve
2 Electrical connector
3 Return flow pipe
4 Pressure line
5 Feed line
| Remove/Install | ||
1 | Raise vehicle. | ||
2 | Remove the engine compartment paneling below the radiator unit | ||
Danger! | Risk of injury to skin or eyes caused by hydraulic fluid spraying out under pressure. Risk of poisoning caused by swallowing hydraulic fluid. | Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses. | |
3 | Drain hydraulic fluid | ||
| Hydrostatic fan drive - oil and filter change | ||
4 | Separate electrical connector (2) | ||
5 | Detach feed line (5), pressure line (4) and return flow line (3) from proportioning valve (1) | Collect hydraulic oil which flows out in a suitable vessel. | |
Installation: Clean sealing surfaces. Install new seals. | |||
6 | Detach the proportioning valve (1) from the retaining frame | ||
7 | Install in the reverse order |