Drive System Maintenance; Checking The Tire Pressure; Checking The Wheel-Lug Nuts; Cooling System Maintenance - Toro 320-D Operator's Manual

Drive System
Maintenance

Checking the Tire Pressure

Service Interval: Before each use or daily
Maintain the air pressure in the tires as specified.
Check the tires when they are cold to get the most
accurate reading.
Pressure: 103 to 138 kPa (15 to 20 psi)
Note:
Use a lower tire pressure, 103 kPa (15 psi),
when operating in sandy soil conditions to provide
better traction in the loose soil.
Figure 37
1. Valve stem
Checking the Wheel-Lug
Nuts
Service Interval: After the first 8 hours
Every 100 hours
Check and torque the wheel lug nuts to 68 N∙m (50
ft-lb).
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.
Cleaning the Radiator
Screen
Service Interval: Before each use or daily
Remove any buildup of grass, dirt or other debris from
the radiator screen with compressed air.
Checking the
g003793
Engine-Coolant Level
Service Interval: Before each use or daily
The cooling system is filled with a 50/50 solution
of water and permanent ethylene glycol antifreeze.
Check the level of coolant at the beginning of each
day, before starting the engine.
DANGER
The rotating shaft and fan can cause personal
injury.
• Do not operate the machine without the
covers in place.
• Keep your fingers, hands, and clothing
clear of the rotating fan and drive shaft.
• Park the machine on a level surface, lower
the loader arms, engage the parking brake,
shut off the engine, and remove the key
from the key switch before performing
maintenance.
1. Park the machine on a level surface, lower the
loader arms, engage the parking brake, and
shut off the engine.
2. Remove the key from the key switch and allow
the engine to cool.
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