35
4. If coolant level is low, add 50/50 mixture of permanent
antifreeze and water until completely full without
overflowing.
5. Reinstall radiator cap. Completely seat cap by pushing
down and turning until it stops.
6. Add 50/50 coolant mix to overflow bottle and fill to
indicator line on the bottle, if required (Fig. 30).
1
2
3
m-5031
Figure 30
1.
Radiator Cap
2.
Antifreeze Overflow Bottle
3.
Radiator Core and Screen
Cleaning Cooling System
Clean the cooling system daily before each use.
1. Position machine on a level surface, stop the engine
and set the parking brake.
Important
Before starting engine clean grass from
pump drive belt compartment. Check more often in dry
conditions.
2. Tilt seat up and raise rubber flap above drive belt
compartment.
3. Remove debris from drive belt compartment and
hydraulic pumps.
4. Remove debris from screen on engine cover.
5. Tilt engine cover forward.
6. Remove debris from radiator core and engine
(Fig. 30).
Important
Do not damage radiator cooling fins.
7. Inspect seals on engine cover and replace if needed.
8. Close engine cover and tilt seat back.
Changing Engine Coolant
Change engine coolant every 400 hours.
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.
1. Position machine on a level surface, stop the engine
and set the parking brake.
2. Tilt seat up and tilt engine hood forward.
3. With engine cool, drain coolant by loosening the drain
cock in the right rear corner (Fig. 31)
4. The engine block must be drained by removing the
drain plug from the engine block (Fig. 32).
Note: The drain plug is black in color and is located near
the oil filter (Fig. 32).
5. Re–install all drain plugs, radiator hose and tighten
drain cock.
