AR20.40-W-0001A | Remove/install hydraulic | 5.8.10 |
ENGINES 902.9, 906.9, 926.9 in MODEL 957.### #V up to 207574
W55.30-1001-06
1 Hydraulic motor
2 Oil pressure line
3 Oil return line
4 Supporting frame
5 Electrical connector
6 Sealing ring
Y66 Hydrostatic fan proportional valve
| Remove/install | ||
Danger! | Risk of injury to skin or eyes caused by hydraulic fluid spraying out under high 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. | |
| Notes on self-locking nuts and bolts | ||
1 | Switch off ignition | ||
2 | Open maintenance flap | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
3 | Tilt cab | Installation: Only tilt cab back after leak test has been conducted. | |
| Notes on tilting the cab | ||
4 | Remove underride guard from bottom of frame | ||
5 | Drain off hydraulic fluid for hydrostatic fan drive on hydraulic engine (1) | ||
| Hydrostatic fan drive - oil and filter change | ||
6 | Disconnect electrical connector (5) at hydrostatic fan (Y66) | ||
7 | Remove oil pressure line (2) and oil return line (3) from supporting frame (4) | ||
8 | Detach oil pressure line (2) and oil return line (3) from hydraulic engine (1) | Catch escaping hydraulic fluid. | |
9 | Remove hydraulic motor (1) | Installation: Inspect sealing ring (6) at bearing flange for damage or wear, install new seal if necessary. | |
| |||
10 | Install in the reverse order | ||
11 | Inspect hydraulic system for leaks | Visual inspection. |
Hydrostatic fan drive
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