Cleaning The Cooling System - Toro Groundsmaster 4500-D Operator's Manual

Figure 61
1. Expansion tank
2. Check the coolant level in the radiator. The radiator
should be filled to the top of the filler neck and the
expansion tank filled to the F
3. If the coolant is low, add a 50/50 mixture of water and
ethylene glycol anti freeze. Do not use water only or
alcohol/methanol base coolants.
4. Install the radiator cap and expansion-tank cap.
mark (Figure 61).
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Cleaning the Cooling System

Service Interval: Before each use or daily—Remove debris
from the engine area, oil cooler, and
radiator.
Clean them more frequently in dirty conditions.
This machine is equipped with a hydraulically driven fan drive
system that automatically (or manually) reverses to reduce oil
cooler/radiator and screen debris build-up. While this feature
can help reduce the time required to clean oil cooler/radiator,
it does not eliminate the need for routine cleaning. Periodic
cleaning and inspection of the radiator/cooler is still required.
1. Unlatch and swing open the rear screen
Note: To remove the screen, lift off the hinge pins.
2. Clean the screen thoroughly of all debris.
1. Rear-screen latch
3. Thoroughly clean both sides of the oil cooler and the
radiator (Figure
the front and blow the debris out toward the back.
Then clean from the back side and blow toward the
front. Repeat procedure several times until you remove
all chaff and debris.
53
(Figure
Figure 62
63) with compressed air. Start from
62).