Toro 74161, Service Manual

Page: 22 / 113

Mid-Mount Z Service Manual 2 - 7
MAINTENANCE
Servicing the Cooling System
Checking the Radiator Coolant
Check the cooling system level daily.
Fluid Type: 50/50 mix of permanent antifreeze
(ethylene glycol) and water.
Cooling System Capacity: 128 oz. (3.8 l).
1. Position the machine on a level surface, stop the
engine, and set the parking brake.
2. Tilt the seat up and tilt the engine hood forward.
3. With the engine cool, remove the radiator cap
(Figure 8).
4. If the coolant level is low, add a 50/50 mixture of
permanent antifreeze and water until the radiator
is completely full without overflowing.
5. Install the radiator cap. Completely seat the cap
by pushing down and turning it until it stops.
6. Add a 50/50 coolant mix to the overflow bottle and
fill it to the indicator line on the bottle, if required
(Figure 8).
Figure 8
m-5031-1
Cleaning the Cooling System
Clean the cooling system daily before each use.
1. Position the machine on a level surface, stop the
engine, and set the parking brake.
Before starting the engine, clean grass
from the pump drive belt compartment. Check more
often in dry conditions.
2. Tilt the seat up and raise the rubber flap above the
drive belt compartment.
3. Remove debris from the drive belt compartment
and hydraulic pumps.
Danger
Discharge of hot pressurized coolant or touching
hot radiator and surrounding parts can cause
severe burns.
• Do not remove the radiator cap when the
engine is hot. Always allow the engine to cool
at least 15 minutes or until the radiator cap is
cool enough to touch without burning your
hand before removing the radiator cap.
• Do not touch radiator and surrounding parts
that are hot.
Danger
Rotating shaft and fan can cause personal injury.
• Do not operate the machine without the covers
in place.
• Keep fingers, hands and clothing clear of
rotating fan and drive shaft.
• Shut off the engine and remove the ignition
key before performing maintenance.
Caution
Swallowing engine coolant can cause poisoning.
• Do not swallow engine coolant.
• Keep out of reach from children and pets.
(1) Radiator Cap
(2) Antifreeze Overflow
Bottle
(3) Radiator Core and
Screen
Important