AR46.30-B-0500E | Remove/install power steering pump | 12.02.16 |
Cumbustion engine 457.915, 457.916, 457.922, 457.924, 457.925, 457.926, 457.928, 457.929, 457.931, 457.932
B46.30-0007-12
1 Hydraulic steering pump
2 O-Ring
3 Coupling disc
4 Sealing rings
5 Hydraulic steering pump inlet piping
6 Bolt
7 Bolt
8 Sealing rings
9A Hydraulic steering pump pressure piping (engines 457.922/924/928/931)
9B Hydraulic steering pump pressure piping (engines 457.915/916/925/926/929/932)
10 Bolt
11 Air compressor
| Remove and install | ||
Danger! | Danger of personal injuries and material damage when tilting the front hood of the vehicle Danger of personal injuries when closing the front hood of the vehicle | Make sure that the space in front of the vehicle is sufficient and free of objects and people. Tilt the hood until the safety arm locks it on the open position | |
1.1 | Tilt the engine hood | Trucks with engine 457.924/931 | |
Danger! | Danger of personal injuries and material damage when tilting and returning the vehicle cabin | Make sure that the area for tilting and returning the cabin is sufficient and free of objects and people. Tilt the cabin until the end position. Return the cabin until it is safely locked in the operation position | |
1.2 | Tilt the cabin | Trucks with engine 457.922/928 | |
1.3 | Open the engine compartment hood | Buses with engine 457.915/916/925/926/929/932 Refer to the body builder instructions | |
2 | Remove the engine hood inside the vehicle cabin | Trucks with engine 457.924/931 | |
3 | Remove the hydraulic steering pump (1) piping (5) | Install: Replace the sealing rings (4) Collect the hydraulic oil that spills | |
| |||
4 | Remove the piping (9A/9B) from the hydraulic steering pump (1) | Install: Replace sealing rings (8) Collect the hydraulic oil that spills | |
| |||
5 | Remove bolts (10) and remove hydraulic steering pump (1) from compressor (11) | Install: Replace O-ring (2) Lubricate O-ring (2) with engine oil | |
| |||
6 | Remove coupling disk (3) | Install: Note that the compressor shaft clamps (11) are displaced by 90 degrees with respect to the clamps of the hydraulic steering pump shaft (1) | |
7 | Install in reverse order | ||
8 | Refill and bleed the hydraulic steering system | Truck | |
Bus |
Power steering pump
Referenced documents
- ap4600b4611b Check and correct power steering fluid level
- ap4600b4611d Check and correct power steering fluid level
- ar6080b0010c Tilt cab to repair position, tilt back
- ar8840b1000b Opening engine hood, moving to upright position and closing
- ar8840b3000b Remove/install engine hood
- as6080b000101a Risk of injury caused by body parts being pinched or crushed as cab is tilted
- as8840b000101a Risk of injury caused by pinching and crushing when opening and closing engine hood