Periodic Service; Service The Tractor; Warranty And Repair Of The Engine - Yanmar SA Series Operation Manual

14. PERIODIC SERVICE

! WARNING
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 7-3.
●Push down Power Take Off (PTO) switch to
OFF position.
●Lower all the implement to the ground.
●Move the range shift 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.
Lx410/450/490 Operator's Manual
14. PERIODIC SERVICE

■ 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
14-1
SA221/324/424 Operation Manual