MTU 12 V 2000 M84 Operating Instructions Manual page 33

HP line between distributor and HP accumulator
1 Jacket pipe
2 O-ring
3 O-ring
4 Thrust ring
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 level-monitored leak-fuel tank.
5 O-ring
6 Thrust screw
7 Thrust ring
8 O-ring
MS150063/02E 2014-03 | General Information | 33
9 HP line
10 Pressure pipe