HP line between distributor and HP accumulator
1 Jacket pipe
2 O-ring
3 O-ring
4 Thrust ring
5 O-ring
6 Thrust screw
7 Thrust ring
8 O-ring
9 HP line
10 Pressure pipe
Leak-off fuel caused by leakages from the sealing cones or the HP lines is returned to the HP pump, from
where it is routed at atmospheric pressure into a leak-fuel tank.
To facilitate the leak search, the leak-fuel pipework is divided into three sections:
• from the high-pressure pump to the relay
• rail A-side and HP lines to the injectors, A-side
• rail B-side and HP lines to the injectors, B-side
MS150119/01E 2016-02 | General Information | 35
TIM-ID: 0000067013 - 001
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