AR07.17-D-1060A | Remove/install pressure control valve | 8.1.09 |
ENGINES 611.981 /987 ## up to 835762 in MODEL 901.6, 902.6, 903.6, 904.6
ENGINES 611.983 in MODEL 690.6
D07.16-1253-04
1 Connector of pressure regulator valve
2 Sealing ring
3 Support ring
4 Sealing ring (green)
5 Torx bolts
6 Rail
Y74 Pressure regulator valve
| Removing | ||
1 | Remove top section of charge air manifold | ||
2 | Separate plug connection of pressure regulating valve (1) | ||
Danger! | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
3 | Remove pressure regulator valve (Y74) | Sealing rings (2 and 4) and support ring (3) must be replaced. | |
| Install | ||
4 | Clean sealing surfaces | ||
5 | Lightly grease sealing rings (2 and 4) with special grease before installing pressure regulator valve | If the seals are damaged when being installed, this may result in internal leaks which are not recognizable from the outside. | |
6 | Insert pressure regulator valve (Y74) | Tighten bolts at pressure regulator valve fully in stages. | |
| |||
7 | Fit together plug connection of pressure regulator valve (1) | ||
8 | Install top part of charge air manifold | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
9 | Inspect fuel system for leaks | Run engine, switch off and inspect for leaks. |
Common rail diesel injection (CDI)
Number | Designation | Engine 611.981/ | |||
BA07.16-P-1005-01A | Bolt connecting pressure regulator valve to rail | Stage 1 | Nm | 3 | |
Stage 2 | Nm | 5 | |||
Common rail diesel injection (CDI)
Number | Designation | Engine 611.983 | |||
BA07.16-P-1005-01A | Bolt connecting pressure regulator valve to rail | Stage 1 | Nm | 3 | |
Stage 2 | Nm | 5 | |||
Repair materials
Number | Designation | Order number |
BR00.45-Z-1036-06A | Special grease | A 001 989 42 51 10 |
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