Maintenance
Examine the air filter
2
Clean the air filter
Replace the air filter
Examine the fuel system
Clean the cooling fins on the cylinder
Examine and adjust the clutch wire (LC 151S, LB 251S, LB 256SP)
Clean below the transmission cover (LB 251S)
To do a general inspection
•
Make sure that all nuts and screws on the product
are tightened correctly.
To clean the product externally
•
Use a brush to remove leaves, grass and dirt.
•
Make sure that the air intake on the top of the engine
is not blocked.
•
Do not use a high pressure washer to clean the
product.
•
If you use water to clean the product, do not flush
water directly on the engine.
To clean the inner surface of the cutting
cover
1. Empty the fuel tank.
2. Tilt the product. Make sure that the spark plug point
up.
CAUTION:
with the air filter down, the engine can
become damaged.
3. Hose down the inner surface of the cutting cover
with water.
To clean below the transmission cover
(LB 251S)
1. Empty the fuel tank.
2. Tilt the product. Make sure that the spark plug point
up.
CAUTION:
with the air filter down, the engine can
become damaged.
3. Remove the 7 screws. (Fig. 36)
4. Remove the transmission cover.
5. Clean the surface with a brush.
2
Clean more often under dusty conditions or when airborne debris is present. Replace air filter, if it is very dirty.
14
If the product is put
If the product is put
Daily
X
CAUTION:
below the transmission cover can cause
damage to the transmission.
6. Install the transmission cover and the 7 screws.
To examine the cutting equipment
WARNING:
remove the ignition cable from the spark
plug.
WARNING:
when you do maintenance on the cutting
equipment. The blade is very sharp and cuts
can easily occur.
1. Examine the cutting equipment for damage
or cracks. Always replace a damaged cutting
equipment.
2. Look at the blade to see if it is damaged or blunt.
Note:
It is necessary to balance the blade after it is
sharpened. Let a service center sharpen, replace and
balance the blade. If you hit an obstacle that causes
the product to stop, replace the damaged blade. Let the
service center estimate if the blade can be sharpened or
must be replaced.
To replace the blade
1. Lock the blade with a block of wood. (Fig. 37)
2. Remove the blade bolt and spring washer.
3. Remove the blade.
4. Examine the blade support and blade bolt to see if
there are damages.
5. Examine the engine shaft to make sure that it is not
bent.
Monthly
Each season
X
X
X
X
X
X
Water or contamination
To prevent accidental start
Use protective gloves
1924 - 002 - 12.10.2022