Cub Cadet BB40 - Manual (Page 12)

12
Maintenance
Section 6
To avoid serious personal injury, always turn
your blower off and allow it to cool before you
clean or service it.
Daily Maintenance
1. Clean the unit’s exterior.
2. Check that the throttle control functions safely.
3. Check that the stop switch is functioning properly.
4. Clean the air filter.
5. Check that all the nuts and screws are tightened.
Monthly Maintenance
1. Clean the fuel tank.
2. Clean the carburetor and its surrounding area.
3. Clean the fan and its surrounding area.
4. Check the fuel filter and the fuel pipe. Replace
them if necessary.
5. Check all cables and connections.
6. Change the spark plug.
7. Check and clean the muffler’s spark arrestor
screen if necessary (this is not present on mufflers
with catalytic converters).
Always wear protective gloves during
maintenance operations. Do not carry out
maintenance when the engine is hot.
Weekly Maintenance
1. Check the starter, the starter rope/cord, and the
return spring.
2. Make sure that the vibration damping elements are
not damaged.
3. Clean the outside of the spark plug. Remove and
check the electrode gap. Remove and check the
electrode gap. Adjust the gap to 0.5 mm or
change out the spark plug.
4. Clean the cooling fins on the flywheel.
5. Clean or replace the muffler’s spark arrest screen.
6. Clean the carburetor area.
7. Clean the cooling fins on the cylinder and check
that the air intake in the starter unit is unblocked.
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