14-1
14. PERIODIC SERVICE
Lx410/450/490 Operator's Manual
14.PERIODIC SERVICE
Explosion Hazard
● Never smoke around the battery.
● Never smoke during refueling.
● Keep sparks and open flames
away from the battery and the
fuel tank.
● The battery emits hydrogen and
oxygen during recharging and
can pose a serious hazard.
● Never work under any hydraulically
supported devices which can settle down,
suddenly leak or be accidentally lowered.
● Always support the tractor securely with
rugged jack stands or other suitable lifting
device with the capacity of more than 3 tons.
● Always allow the tractor to fully cool down
before accessing the:
• engine, muffler, radiator, and hot
components
● Always park the tractor on a solid and level
ground.
● Engage the parking brake securely, for
details, see "6. Lock and Set the Parking
Brake" on page 7-4.
● Push down Power Take Off (PTO) switch to
OFF position.
● Lower all the implement to the ground.
● Move the range gear lever to N (neutral)
position.
● Shut off the engine.
● Remove the key from the starter key switch
before starting any maintenance work.
● Chock all the tires safely and securely.
■ Service the Tractor
IMPORTANT
● Service and maintain the tractor more frequently
if the tractor is used in severe conditions.
● Engine components and parts can get dirty or
deteriorate on the following condition:
• the tractor is operated in extreme heat
• dusty locations
• severe operating conditions
● The engine oil deteriorates earlier than expected
on the following conditions:
• the tractor is constantly operated at slow or low
engine speeds
• the tractor is used frequently for short durations
• for details, see "1. Maintenance Check List" on
page 13-1
■ Warranty and Repair of the
Engine
NOTE
● The maintenance, inspection, repair and
replacement services on the engine emission
control devices and systems:
• can be performed at the owner's expense by
any qualified off road engine repair shop or
mechanic
• warranty repairs must be executed by an
authorized Yanmar tractor dealer
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