AR01.50-B-2000TJ | Remove/install hydraulic constant throttle | 12.02.16 |
Cumbustion engine 926.9 with Vehicle 958.0, 958.1, 958.2
W01.50-1033-04
Represented on engine 926.9
1 Electrical connector
2 Hydraulic pipe
3 Housing
4 O-Ring
Y49 Hydraulic Top Brake electromagnetic valve
| Remove and install | ||
1 | Turn off engine | ||
Danger! | Risk of injure by imprisonment and crushing when tilting cab | During back and forth cab tilting, stay away from tilting area and take preventive measures to avoid non-authorized people from entering tilting area. Always tilt the cab to its final position and secure it with the safety device. | |
2 | Tilt the cab | Install: return cab to original position only after tightness test. | |
| Indications on cab tilting | ||
3 | Remove chassis acoustic encapsulation at the left top of it | ||
4 | Unplug electrical connector (1) | ||
5.1 | Remove hydraulic Top Brake electromagnetic valve (Y49) from the housing (3) | When disassembling hydraulic Top Brake electromagnetic valve (Y49). | |
Collect leaked engine oil. | |||
| |||
5.2 | Remove housing (3) with hydraulic Top Brake electromagnetic valve (Y49) | When disassembling housing (3) with hydraulic Top Brake electromagnetic valve (Y49). | |
collect leaked engine oil. | |||
Install: replace hydraulic pipe sealing rings (2) and gasket under the housing (3). | |||
6 | Install in reverse order | ||
7 | Verify oil level on display, correct if necessary | Observe the adjusted engine oil quality in the maintenance center and the auxiliary material prescriptions. | |
| Indications on engine oil | ||
Danger! | Risk of accident by involuntary moving when engine is working. Risk of injure by crushing and burning during engine start procedure or while engine is working | Secure vehicle against involuntary movement. Wear fit working clothes. Do not touch hot or moving parts. | |
8 | Start engine and idle it for approx. 10s, until oil pressure is stable, then work engine in alternate rotations | ||
9 | Turn off engine and check for leaks at the hydraulic Top Brake electromagnetic valve (Y49) area | Visual check. |
Constant throttle
Referenced documents
- ah1800b010101a Notes on engine oil
- ah6080b000301a Notes on tilting the cab
- 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.
- as6080b000101a Risk of injury caused by body parts being pinched or crushed as cab is tilted