Danger
Turn off the generator before starting any maintenance. Place the generator on a level spot and
separate the spark plug cap from the spark plug to prevent the generator from starting up.
Do not use the generator such in poorly ventilated places such as rooms, rail tunnels or caves. Be
sure to keep the working area well ventilated. Exhaust gas from the generator contains toxic carbon
monoxide fumes. Inhaling these fumes may lead to shock, loss of consciousness or even death.
3.1 Checking the Spark Plug
The spark plug is an important part of the generator and must be checked regularly.
1. Turn the maintain cover knob to
cover.
2. Take off the spark plug cap.
3. Use the spark plug socket and revolve it counterclockwise to remove
the spark plug.
4. Check for any fading in color and remove any carbon deposits. The
porcelain center around the spark plug center electrode should
be moderately light brown if it is in good condition. The electrode
should be replaced if worn, or if the insulation is peeling, cracked or
dirty.
5. Check the model of the spark plug and that it has sufficient
clearance. If required, correct the gap.
Standard spark plug: A5RTC
Spark plug clearance: 0.6–0.8 mm
Tips: The engine may be damaged if the spark
plug is not at the correct clearance height.
6. Reinstall the spark plug with a torque of 13.5±1.5 Nm.
Tips: If installing without a torque wrench, a good method is to tighten
until tight, then continue to turn by a further 1/4-1/2 rotation.
7. Reinstall the spark plug cap on the spark plug.
8. Reinstall the maintenance cover.
and take off the maintenance
Removing the
spark plug
0.6-0.8mm
Spark plug clearance
17