Maintenance
Clean the combustion chamber.
Replace the fuel lines if it is necessary.
To clean the product
CAUTION: Do not use water to clean the
product. Water can cause damage to the
product.
•
Use a moist cloth to clean the external surfaces of
the product.
•
Use a soft brush to remove dirt and oil.
•
Use a vacuum cleaner to remove clean dirt and
unwanted material from the product.
•
Use compressed air to remove dirt from cooling slots
and other opening on the product.
CAUTION: The pressure of the
compressed air must not be more than
25 psi.
To do a check of the engine oil level
CAUTION: Do not operate the product with
low engine oil level. It can cause damage to
the engine.
CAUTION: Use engine oil that has SJ class,
SL class, or better, from the American
Petroleum Institute (API). Do not use special
additives. Select a viscosity range that
agrees with the ambient temperature. Refer
to the illustration below.
(Fig. 39)
1. Stop the product fully and make sure that the
product is on level ground.
2. Clean the area around the oil tank.
3. Remove the oil tank cap and dipstick.
4. Clean the oil from the dipstick.
5. Put the dipstick back fully into the oil tank.
6. Remove the dipstick.
7. Examine the engine oil level on the dipstick.
8. If the engine oil level is low, fill engine oil until the
engine oil is to the mark (A) on the dipstick. Refer to
Technical data on page 13 for the oil tank capacity.
(Fig. 40)
10
Maintenance interval in hours
Daily
mainte-
20
nance
hours or
hours or
before
each
each 3
opera-
month
months
tion
9. Do a check of the engine oil level again.
10. Install the oil tank cap and dipstick.
To replace the engine oil
Note: Drain the engine oil while the engine is warm.
Warm engine oil is faster to drain.
WARNING: The engine oil becomes very hot
and can cause burn injuries. Let the engine
become cool before you drain the engine oil.
1. Clean the area around the oil drain plug (A). (Fig. 41)
2. Put an applicable fuel container below the drain hole.
3. Remove the oil drain plug and the oil tank cap (B).
4. Drain the engine oil into the container.
5. Install the oil drain plug and tighten it.
6. Fill engine oil. Refer to
oil level on page 10 .
7. Remove oil spillage.
8. Recycle the used engine oil at an approved disposal
location.
To replace the spark plug
Replace the spark plug 1 time each year.
1. Stop the engine.
2. Remove the spark plug cap from the spark plug.
3. Clean the area around the spark plug and remove
the spark plug from the cylinder.
4. Set the electrode gap. Refer to
page 13 . (Fig. 42)
5. Install a new spark plug. Torque to 15 ft/lbs.
To do a check of the spark arrester
screen
Do a check and clean the spark arrester screen 1 time
each year or more frequently if it is necessary.
WARNING: In some areas and conditions,
you must use a spark arrester screen to
prevent the risk of fire. Obey local
regulations.
300
50
100
hours or
hours or
1 time
each 6
each
months
year
X**
To do a check of the engine
Technical data on
1420 - 002 - 02.03.2020
Each 2
years
X**