Operation
8019−1/A2
Winterthur Gas & Diesel Ltd.
9/ 13
4.4 Connection Pipes − Leakage
If the level switch (23, Fig. 1) (LS3447A) activates an alarm, do the procedure that
follows:
1) On the valve block (4, Fig. 5), carefully loosen the drain screw (5) approximately
two turns
2) Do a check to see if fuel flows out or not.
If fuel flows out, the related connection pipe (8) is defective.
3) Close the two related stop valves (1)and (6), or (3) and (7). Torque the applicable
stop valves to 100 Nm.
4) Torque the stop valves that stay open to 100 Nm.
Note: You can fully operate the engine at the necessary temperature with one
serviceable connection pipe until the defective connection pipe is
replaced.
019.376/10
8
2
5
1
7
3
6
2
5
4
4
II
II
019.428/10
019.381/10
Fig. 5: Leakage Inspection Points − Connection Pipes
1 Stop valve 3.33−3 5 Drain screw
2 Fuel rail 3.05 6 Stop valve 3.33−4
3 Stop valve 3.33−5 7 Stop valve 3.33−6
4 Valve block 8 Connection pipe
2015-05
Fuel System 9-cylinders
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