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7.
Add enough oil to bring the level up to the bottom
of the check plug holes; refer to
Rear-Axle Lubricant (page
the Rear-Axle-Gearbox Lubricant (page
8.
Install the plugs.
Checking the Rear Wheel
Toe-In
Service Interval: Every 800 hours
1.
Measure the center-to-center distance (at axle
height) at the front and rear of the steering tires.
Note:
The front measurement must be 6 mm
(1/4 inch) less than the rear measurement.
2.
To adjust, loosen the clamps at both ends of the
tie rods.
3.
Rotate the tie-rod end to move the front of the
tire inward or outward.
4.
Tighten the tie-rod clamps when the adjustment
is correct.
Changing the Front Tires
1.
Lower the wing cutting units to the ground.
2.
Raise the front of the machine several inches off
the ground and support it with jackstands.
3.
Refer to
Pivoting (Tilting) the Center Cutting Unit
to the Upright Position (page
4.
Pivot the mower deck forward so you can
remove the tire.
Changing the
74), and
Checking
74).
83).
75
Cooling System
Maintenance
Cooling System Safety
•
Swallowing engine coolant can cause poisoning;
keep out of reach from children and pets.
•
Discharge of hot, pressurized coolant or touching
a hot radiator and surrounding parts can cause
severe burns.
– Always allow the engine to cool at least 15
minutes before removing the radiator cap.
– Use a rag when opening the radiator cap, and
open the cap slowly to allow steam to escape.
•
Do not operate the machine without the covers
in place.
•
Keep your fingers, hands and clothing clear of
rotating fan and drive belt.
Coolant Specification
The coolant reservoir is filled at the factory with a
50/50 solution of water and ethylene glycol base
extended-life coolant.
Important:
Use only commercially available
coolants that meet the specifications listed in the
Extended Life Coolant Standards Table.
Do not use conventional (green) inorganic-acid
technology (IAT) coolant in your machine. Do
not mix conventional coolant with extended-life
coolant.
Coolant Type Table
Ethylene-Glycol Coolant
Type
Extended-life antifreeze
Important:
Do not rely on the color of the coolant
to identify the difference between conventional (green)
inorganic-acid technology (IAT) coolant and extended-life
coolant.
Coolant manufacturers may dye extended-life coolant in
one of the following colors: red, pink, orange, yellow,
blue, teal, violet, and green. Use coolant that meets the
specifications in the Extended Life Coolant Standards
Table.
Extended Life Coolant Standards
ATSM International
D3306 and D4985
Important:
Coolant concentration should be a
50/50 mixture of coolant to water.
Corrosion Inhibitor Type
Organic-acid technology
(OAT)
SAE International
J1034, J814, and 1941
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