14. PERIODIC SERVICE
14-21
Lx410/450/490 Operator's Manual
8. Turn the fuel shut-off valve to the ON (open)
position.
9. Turn the starter key switch to START position.
Allow any trapped air to be bled from the fuel
system. If necessary, contact YOUR LOCAL
YANMAR TRACTOR DEALER for technical
assistance.
(A) Fuel shut-off valve
(B) Drain cock
(a) OFF (closed) position
(b) ON (open) position
■ Check the Battery Condition
For maintenance work, for details, see "Chapter 15.
SERVICE THE ELECTRICAL SYSTEM".
■ Service the Air Cleaner Element
1. Service the Outer Filter
1. Park the tractor safely and securely.
• For details, see "7. Safe Practices for Parking the
Tractor" on page 1-7.
2. Shut off the engine.
3. Chock all the tires safely and securely.
4. Allow the engine to cool down for several
minutes.
5. Raise the hood.
6. Release the three latch hooks.
• The latch hooks secures the air cleaner canister
cover to the air cleaner canister.
7. Unhook the latch hooks from the air cleaner
canister.
8. Remove the air cleaner canister cover.
NOTE
● The fuel system is self bleeding.
6. Every 100 Hours
Avoid injury!
● Touching hot surfaces can burn skin.
● If the engine has been running for some time,
the engine components are hot including all
internal fluids.
● Before performing maintenance or working
near the engine and engine parts:
• allow the engine to cool down
• always wear protective goggles and
protective clothing
IMPORTANT
A damaged air cleaner element can fail to prevent
dirt, dust and other contaminants from entering the
engine.
● Never wash the inner filter.
● Never attempt to clean the inner filter by tapping
the inner filter against another object.
● Never use a compressed air to clean the inner
filter.
● Always replace a contaminated, damaged and
cracked inner filter seal.
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