Yanmar Lx450 - Recommended Engine Coolant; Adjust the Tension of the Throttle Control Lever; Adjust the Engine Valve Clearance; Check the Fuel Injection Nozzle

14. PERIODIC SERVICE
14-33
Lx410/450/490 Operator's Manual
(A) Reserve tank cap
(B) Reserve tank
(a) FULL line
(b) LOW line
(A) Reserve tank cap
(B) Reserve tank
(a) FULL line
(b) LOW line
■ Recommended Engine Coolant
The Following Coolant is Recommended
● High Quality Permanent Type Antifreeze (Ethylene
Glycol with corrosion and rust inhibitor chemicals).
● Before using the coolant:
• read and understand the instructions and data on
the coolant's container
• make sure that the coolant is suitable for the
engine
● Immediately after purchasing the tractor:
• make sure that the blend ratio of the coolant is in
accordance with the climate of the work area
• the preceding practice contributes to make the
entire tractor system function normally
● Replace the coolant in the following cases:
• after 1000 hours of operation or 2 years
whichever comes first
• the cooling system is flushed
Follow the instructions on the antifreeze container or
contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
● Avoid exceeding the maximum dilution ratio for the
coolant.
● Exceeding the preceding ratio can jeopardize the
effectiveness of the coolant.
■ Adjust the Tension of the Throttle
Control Lever
Contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
■ Adjust the Engine Valve Clearance
Contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
■ Check the Fuel Injection Nozzle
Contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
■ Check the Fuel Injection Pump
Contact YOUR LOCAL YANMAR TRACTOR
DEALER for technical assistance.
NOTE
● The above illustration shows Lx410/450.
NOTE
● The above illustration shows Lx490.
41-45PS_reservetank
(A)
(B)
(a)
(b)
49PS_reserve tank
(A)
(B)
(a)
(b)