Release 00 - 11/2018
page 34
Engine WBE 170
Workshop Manual
7 - Perform a spark test as indicated in [ 12.1].
- If the spark jumps: the coil functions properly and
in the event of malfunction, verify that the cut-off
cable (17) is not earthed.
- if the spark does not jump: the coil is faulty and
must be replaced [ 12.4].
8 - Reassemble the conveyor and the cover.
12.4. Replacing the coil
1 - Remove the cover and uncouple the conveyor.
2 - Disconnect the faston of the earth cable (6).
3 - Undo the screw (9) and the stud (10) and remove
the coil (11).
4 - Mount the new coil and regulate the air gap
according to the procedure indicated in points 4
and 5 in section [
12.3].
5 - Connect the faston of the earth cable (10).
6 - Reassemble the conveyor and the cover.
Tightening torques
1 Spark plug tightening torque 25-32 Nm
13 Coil xing screw 8-12 Nm
14 Coil xing stud 8-12 Nm
Technical information
Type of spark plug RC12 YC
Distance between electrodes 0,7 - 0,8 mm
Air gap/ywheel 0,4 ± 0,05 mm
Special equipment
3 Tester for spark test
12. IGNITION
17
11
14
10
13
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