RedMax EBZ8560 - Page 23

7.8.2 To examine the ignition system
1. Examine the flywheel for wear or damages. Replace
the flywheel if it is necessary.
2. Examine the ignition module and its cables. Replace
the ignition module if it is damaged.
7.8.3 To examine the spark plug
CAUTION: Always use the recommended spark
plug type. Incorrect spark plug type can cause
damage to the product.
• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
a) Make sure that the idle speed is correctly
adjusted.
b) Make sure that the fuel mixture is correct.
c) Make sure that the air filter is clean.
• If the spark plug is dirty, clean it and make sure that
the electrode gap is correct, refer to Technical data
on page 47 .
• Replace the spark plug if it is necessary.
7.8.4 To do a spark test
1. Remove the spark plug from the cylinder.
2. Connect the spark plug to the spark plug cap.
3. Make sure that the stop switch on the throttle handle
is in the start position.
4. Hold the spark plug against the cylinder and pull the
starter rope handle. If the ignition operates correctly,
you will see a spark between the electrodes on the
spark plug.
WARNING: To prevent the risk of fire, do
not hold the spark plug near the spark plug
hole.
5. If no spark occurs, remove the spark plug and
connect the ignition tester (A) to the spark plug cap
(B). Refer to Servicing tools on page 9 .
A
C
B
D
6. Connect the ground cable (C) to 1 of the cooling fins
on the cylinder.
7. Use the knob (D) to adjust the distance between the
2 electrodes to mm.
Note: One mark on the scale is 1 mm.
8. Pull the starter rope handle.
9. Do 1 of the steps that follow.
a) If a spark occurs between the electrodes on the
ignition tester, replace the spark plug.
b) If there is no spark between the electrodes on
the ignition tester, replace the ignition module.
Refer to To remove and install the ignition
module on page 23 .
7.8.5 To remove and install the ignition module
1. Remove the starter unit. Refer to To remove and
install the starter unit on page 13 .
2. Disconnect the spark plug cap from the spark plug.
3. Disconnect the stop switch cables (A).
A
B
4. Remove the stop switch cables from the clamp (B).
1662 - 003 - 04.11.2021 Repair instructions - 23