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7. Remove the yellow cap (E) from the oil drain
valve (F).
E
G
F
8. Install the oil drain tube (G) to the oil drain valve.
9. Put a container below the engine to collect the
engine oil and put the other end of the oil drain
tube into the container.
10. Push in and turn the oil drain valve
counterclockwise to unlock it.
11. Pull out on the drain valve to open it.
12. Let the engine oil drain into the container.
13. Push in and turn the oil drain valve clockwise to
close and lock it.
14. Remove the oil drain tube.
15. Install the yellow cap.
16. Fill with new oil in the oil filler tube and do a
check of the engine oil level. Refer to
To do a
check of the engine oil level on page 27
.
17. Install the oil tank cap and dipstick.
18. Install the lower dashboard cover and close the
engine cover.
Note:
For safe disposal of used engine oil, refer to
Disposal on page 35
.
To replace the engine oil filter
WARNING:
Use protective gloves.
If you spill engine oil on your body, clean
with soap and water.
1. Drain the engine oil from the oil tank. Refer to
To
replace the engine oil on page 27
.
2. Turn the engine oil filter counterclockwise to
remove it.
3. Lightly lubricate the rubber seal on the new oil
filter with new engine oil.
4. To install the new oil filter, turn it clockwise until
the rubber seal fits correctly, then tighten a half
turn more.
5. Fill the oil tank with new engine oil. Refer to
To
replace the engine oil on page 27
.
6. Start the engine and let it operate at idle speed
for 3 minutes.
7. Stop the engine and make sure that there is no
oil leakage from the oil filter.
Note: If the there is oil leakage, tighten the oil
filter again.
8. Fill the oil tank with more engine oil to replace
the engine oil that the new oil filter has absorbed.
To clean the air filter
The engine will not run satisfactorily with a dirty air
filter. Clean the air filter more frequently in dusty
conditions.
To clean the air screen
Note: The air screen must be kept free of dirt to
prevent engine damage caused by overheating.
• Clean the air screen with a wire brush or
compressed air to remove dirt.
To do maintenance on the engine cooling
system
Note: A blocked grass screen, dirty or full cooling
fins, and/or removed blower housing, and so on, can
make the engine too hot and cause engine damage.
• Make sure that the grass screen, the cooling fins,
and other external surfaces of the engine are
clean at all times.
• After each interval of 100 hours of operation
(more often in extremely dusty and dirty
conditions), remove the blower housing and
other parts of the engine cooling system.
Clean the cooling fins and external surfaces as
necessary. Make sure that the engine cooling
system parts are installed correctly.
To do maintenance on the muffler
Corrosion on the muffler and spark arrester can
cause fire and/or damage.
• Examine the muffler and spark arrester (if the
product has one) and replace if necessary.
To replace the spark plugs
The spark plug type and clearance (gap setting) are
shown in
Technical data on page 36
.
• Replace the spark plugs at the start of each
cutting season or after each interval of 100 hours
of operation.
28
2161 - 001 - 22.06.2023
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