MAINTENANCE
SPARK PLUG MAINTENANCE
The spark plug must be checked and cleaned
after every 100 hours of use or 6 months and
must be replaced after 300 hours of use or
every year.
1. Stop the inverter and let it cool for several
minutes if running.
2. Move the inverter to a flat, level surface.
3. Slide the spark plug access cover off the
housing (see Figure 21).
Figure 21: Slide off spark plug cover
4. Remove the spark plug boot by firmly pulling the
plastic spark plug boot handle directly away from
the engine.
NOTICE
NOTICE
Never apply any side load or move the spark
plug laterally when removing the spark plug.
Applying a side load or moving the spark plug
laterally may crack and damage the spark plug
boot.
5. Clean area around the spark plug.
6. Using the spark plug socket wrench provided,
remove the spark plug from the cylinder head
(see Figure 22).
Figure 22: Slide off spark plug cover
7. Place a clean rag over the opening created by
the removal of the spark plug to make sure no
dirt can get into the combustion chamber.
8. Inspect the spark plug for:
・Cracked or chipped insulator
・Excessive wear
・Spark plug gap of 0.032 in. (0.80 mm).
SPARK PLUG GAP
Only use the recommended spark plug. See
chart below. Using a non- recommended spark
plug could result in damage to the engine.
9. Install the spark plug by carefully following the
steps outlined below:
a. Carefully insert the spark plug back into the
cylinder head. Hand-thread the spark plug until
it bottoms out.
b. Using the spark plug socket wrench provided,
turn the spark plug to ensure it is fully seated.
c. Replace the spark plug boot, making sure the
boot fully engages the spark plug's tip.
d. Install the spark plug access coven
If the spark plug fails any one of the
conditions listed above, replace the plug.
BRAND
TORCH
NGK
TYPE
A5RTC
CR7HS
20 MAXPEEDINGRODS
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