Reference Modification no.
- 0 -
Page
166
Date
1997 02 01
Main
914 F
01478
13.4.4) Charging coil
See Pic. 133.
In case of failure of one ignition circuit, the 2 single-pole plugs of
the red charging cables may be interchanged for failure tracing.
If the failure remains on the same circuit, the electronic module
is the cause and the respective module has to be renewed (see
Chapter 13.4.15).
If the failure passes on with the ignition circuit, the charging coil
Q for ignition circuit "A" or W for circuit "B" is the cause. In this
case the stator must be removed (see Chapter 13.4.16).
Check charging cable for damage. Check resistance value with
ohmmeter. If required, renew the complete stator.
dimensions new wear limit
See Wear Limits, Chapter 15).
13.4.5) Generator coil
See Pic. 133.
If the generator does not work, the reason may be a defective or squeezed
yellow generator cable or a defective winding on the 8 generator coils E.
Disconnect generator cables (yellow) and check resistance values.
â—† NOTE: If the value measured corresponds with the values speci-
fied, the cause may be a defective rectifier-regulator.
Check of the complete ignition unit is only possible on an ignition test bench
with an oscilloscope. Especially if the failure occurs only occasionally this is
necessary. In this case send the complete ignition unit to an authorized
overhaul facility.
n ATTENTION: On all these works pay special attention that no foreign
matter will enter the ignition.
dimensions new wear limit
See Wear Limits, Chapter 15).
2
1
3
Pic. 133
00400
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