AR46.80-B-0500A | Remove/install hydraulic control block of auxiliary steering axle | 12.02.16 |
Vehicle 382, 634 with Rear axle 749.282
B46.60-0006-05
1 Hydraulic control valve (22Y05)
2 Electric connector
3 Fastening bolt
4.1 Hydraulic piping
4.2 Hydraulic piping
4.3 Hydraulic piping
4.4 Hydraulic piping
| Remove | ||
Danger! | Risk of accident by unintentional rolling with the engine running. Risk of injuries by crushing and burns caused by contact during the startup procedure or with the engine running | Secure the vehicle against unintentional rolling. Utilize closed and tight fitting work clothes. Do not touch heated or moving parts. | |
Danger! | Risk of injuries in the eyes caused by high pressure ejected steering box oil. Risk of poisoning by ingestion of steering oil | Unscrew the end of stroke bolt 5 turns at maximum. Use protection glasses. | |
1 | Clean the whole area around the control valve (1) | ||
2 | Detach the electric connector (2) at the control valve (1) | ||
3 | Detach the hydraulic line ends (4.1, 4.2, 4.3, 4.4) at the control valve | Pay attention to the correct hydraulic lines assembly position. | |
Plug the connection ends with suitable plugs. | |||
Catch the hydraulic fluid run-off in a suitable container. | |||
4 | Unscrew the fastening bolts (3) and remove the control valve (1) | ||
5 | Remove the threaded connections of the control valve (1) | ||
| Installing | ||
6 | Install the threaded connections (4) with new sealing rings on the control valve (1) | | |
7 | Install the fastening bolts (5) | | |
8 | Install the hydraulic lines (4.1, 4.2, 4.3, 4.4) on the control valve (1) | ||
9 | Install the electric connector (6) on the control valve | ||
10 | Bleed the steering axle hydraulic system | ||
11 | Check the hydraulic system for tightness | Visual inspection. |
Rear axle auxiliary steering (HZL)
Referenced documents
- ar4680b1200xa Bleed hydraulic system for auxiliary steering axle
- as0000b000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
- as4600b000101a Danger of injury to eyes caused by steering oil emerging at high pressure. Danger of poisoning caused by swallowing steering oil