EF393T OM
12
MAINTENANCE AND SERVICE (continued)
Do not service the tractor while it is in motion or while
the engine is running.
Before servicing the tractor, always set the parking
brake, block the wheels, lower the implement, release
all hydraulic pressure and place all the controls in
neutral.
Use only the correct tools and equipment.
Unauthorized modification to the tractor may impair its
function, create an unsafe situation and reduce the
tractor’s useful working life.
Do not use substitute parts that may not meet the
strength and design requirements or may not fit the
tractor.
Do not use repair parts not approved by YANMAR.
Remove the radiator cap only when the coolant
temperature is low. Wait at least one hour after
operation, to allow the coolant to cool down.
Cover the radiator cap with a cloth before opening it
and release the pressure gradually before completely
removing the cap.
Do not service the hydraulic system when the hydraulic
oil is hot.
Do not set the relief valve pressure higher than stated
in the tractor or implement specifications.
Do not close off the overflow or bypass lines.
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