Cooling System Maintenance; Cooling System Safety; Checking The Cooling System - Toro Groundsmaster 4500-D Operator's Manual

Note:
The front measurement must be 3 mm
(1/8 inch) less than the rear measurement.
Figure 75
1. Front of the machine
2. 3 mm (1/8 inch) less than
the rear measurement
3. To adjust, remove the cotter pin and nut from
either tie rod ball joint
tie-rod ball joint from the axle-case support.
Figure 76
1. Tie-rod clamp
4. Loosen the clamps at both ends of the tie rods
(Figure 76).
5. Rotate the detached ball joint inward or outward
1 complete revolution and tighten the clamp at
the loose end of the tie rod.
6. Rotate the entire tie-rod assembly the same
direction (inward or outward) 1 complete
revolution and tighten the clamp at the
connected end of the tie rod.
7. Install the ball joint in the axle-case support,
tighten the nut finger-tight, and measure the
toe-in.
8. Repeat procedure if necessary.
9. Tighten the nut and install a new cotter pin when
the adjustment is correct.
10. Check the opposite tie-rod and repeat the
procedure if necessary.
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3. Center to center distance
(Figure 76). Remove the
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2. Tie-rod ball joint
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.
Checking the Cooling
System
Service Interval: Before each use or daily
Coolant specification: 50/50 mixture of water and
ethylene glycol antifreeze
Cooling system capacity: 8.5 L (9 US qt).
DANGER
The rotating fans and drive belts can cause
personal injury.
• Do not operate the machine without the
guards in place.
• Keep your fingers, hands, and clothing
clear of the rotating fan and drive belt.
• Shut off the engine and remove the key
before performing maintenance.
1. Park the machine on a level surface, engage the
parking brake, lower the cutting units, shut off
the engine, and remove the key.
2. Carefully remove the radiator cap.
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