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Cooling System
Maintenance
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.
The rotating fan and drive belt 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 belt.
• Shut off the engine and remove the ignition
key before performing maintenance.
Swallowing engine coolant can cause poisoning.
• Do not swallow engine coolant.
• Keep out of reach from children and pets.
Checking the Cooling System
Service Interval: Before each use or daily—Check the
engine coolant level.
The cooling system is filled with a 50/50 solution of
water and permanent ethylene glycol anti freeze. Check
the level of the coolant in the expansion tank at the
beginning of each day before starting the engine. The
capacity of the cooling system is 6 quarts (7.5 l).
1. Check the level of the coolant in the expansion tank
(Figure 65). The coolant level should be between the
marks on the side of the tank.
1. Expansion tank
2. If coolant level is low, remove the expansion tank
cap and replenish the system. Do not overfill.
3. Install the expansion tank cap.
Cleaning the Radiator
Service Interval: Before each use or daily—Clean the
radiator with compressed air (do not
use water)
To prevent the engine from overheating, the radiator
must be kept clean. Normally, check the radiator daily
and, if necessary, clean any debris off these parts.
However, it will be necessary to check and clean
the radiator frequently in extremely dusty and dirty
conditions.
Note: If the PTO or engine shuts off due to
overheating, first check the radiator for excessive buildup
of debris, ice, or snow.
Clean the radiator as follows:
1. Open the hood.
2. Working from the fan side of the radiator, blow out
debris with low pressure (50 psi) compressed air (do
not use water). Repeat the step from the front of
the radiator and again from the fan side.
3. After the radiator is thoroughly cleaned, clean out
debris that may have collected in the channel at the
radiator base.
4. Close the hood.
40
Figure 65
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