Husqvarna K770 SmartGuard Workshop Manual page 27

6.2.6 To examine the ignition cable
1. Pull up the rubber seal by the ignition unit and
remove the ignition cable.
2. Put a pair of pointed pliers in the spark plug
connection and pull out the spring and cable end.
3. If the connection is defective, the ignition cable can
be made shorter. Make a new hole in the cable and
attach the connection spring.
4. The connection in the illustration can be used to
make sure that the ignition cable is not broken. The
battery is connected in series with a test lamp. A
resistance control can also be made with a
multimeter.
If there is no spark after this test, examine the short
circuit cable.
1453 - 001 - 02.04.2020
6.2.7 To examine the short circuit cable and the
stop switch
1. Remove the starter. Refer to
on page 15 .
2. Remove the short circuit cable on the ignition unit.
3. Put back the starter and make sure that the spark
plug makes a spark.
4. Examine the short circuit cable.
a) Use a battery in series with a test lamp or a
multimeter.
b) Connect to the short circuit cable and the engine
body.
The lamp must not come on when the stop switch is in
operation mode.
If the lamp comes on, examine the insulation on the
short circuit cable.
If the short circuit cable is not damaged, examine the
stop switch. If the short circuit cable and the stop switch
operate correctly, replace the ignition unit.
To remove the starter
Repair and servicing - 27