AR14.40-W-2015B | Remove/install SCR air pressure limiter solenoid valve | 22.3.11 |
ENGINES 457.9 in MODEL 940, 942, 943, 944 with CODE (MS4) BlueTec 4
ENGINES 457.9 in MODEL 940, 942, 943, 944 with CODE (MS5) BlueTec 5
W14.40-1171-06
1 Compressed air inlet
2 Compressed air outlet
3 Union nut
4 Electrical connector
5 Union nut
7.03 Overflow valve without return flow
30.03 Pressure limiting valve with vent
Y106 SCR air pressure limiter solenoid valve (33.01)
| Remove/install | ||
| Notes on self-locking nuts and bolts | ||
| Notes on compressed air connection systems | ||
1 | Switch off ignition | ||
2 | Disconnect electrical connector (4) at SCR air pressure limiter solenoid valve (Y106) | After turning off engine, individual lines are scavenged with compressed air for about 3 minutes. For this reason, do not start any work on the exhaust aftertreatment system before this time has passed. | |
3 | Remove compressed air line at compressed air inlet (1) | First loosen union nuts (5) by two revolutions to relieve pressure and then remove. | |
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4 | Remove compressed air line at compressed air outlet (2) | First loosen union nuts (3) by two revolutions to relieve pressure and then remove. | |
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5 | Remove SCR air pressure limiter solenoid valve (Y106) | | |
6 | Install in the reverse order | ||
7 | Pressurize the compressed-air system up to cutoff pressure |
Compressed air lines
Number | Designation | Model | ||
BA00.18-N-1002-01A | VOSS "232" compressed-air connection system | M161.5 | Nm | 12 |
M221.5 | Nm | 12 | ||
Exhaust aftertreatment, Blue Tec