AR20.40-T-0002AA | Remove/install hydraulic pump | 6.6.01 |
ENGINE 457.942 in MODEL NMB671.015 /020 /021 /030 /042 /332 /333
T20.40-0008-01
Shown on model 671.042
1 Feed line
2 Return flow pipe
3 Spacer
4 Hydraulic pump
| Remove/Install | ||
1 | Open rear lid | ||
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. | |
2 | Drain hydraulic fluid | ||
| Hydrostatic fan drive - oil and filter change | ||
3 | Detach the feed line (1) and the return line (2) from the space (3) and from the hydraulic pump (4) | Collect hydraulic oil which flows out in a suitable vessel. | |
Installation: Install new sealing rings. | |||
4 | Detach the hydraulic pump (4) from the engine housing | Installation: Install new gasket | |
5 | Remove the hydraulic pump (4) from the engine housing | ||
6 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns when working in engine during starting procedure | Secure vehicle to prevent it from moving off by itself. | |
7 | Crank the engine and run it in the neutral | ||
| Check | ||
8 | Check the mounting flange as well as the feed line (1) and return line (2) connections at the hydraulic pump (4) for leaks |
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