Husqvarna 522HDR75S Workshop Manual page 23

• If the spark plug is dirty, clean it and make sure that
the electrode gap is correct, refer to
on page 56 .
• Replace the spark plug if it is necessary.
7.7.3 To do a test of the ignition module
1. Disconnect the spark plug cable from the spark plug.
2. Disconnect the spark plug from the cylinder.
3. Connect the ignition tester to the spark plug cap and
ground the clip to the cutting equipment.
4. Use the knob to adjust the distance between the 2
electrodes to 6 mm.
Note: 6 mm is 6 marks on the scale.
5. Pull with force in the starter rope handle.
6. If the ignition operates correctly, you see a clear
blue spark between the electrodes. If you do not see
a spark or if you see a weak spark, refer to
Troubleshooting on page 52 .
1017 - 002 - 25.11.2020
7.7.4 To do a test of the short circuit cable
Technical data
1. Remove the 2 screws and remove the handle cover.
2. Disconnect the short circuit cables.
3. If there is no spark, disconnect the short circuit
4. If there is a spark, the fault is in the ignition module
cables.
or in the short circuit cable.
Repair instructions - 23