Cleaning The Cooling Systems - Toro Groundsmaster 5900 Operator's Manual

CAUTION
If the engine has been running, the
pressurized, hot coolant can escape and
cause burns.
• Do not open the radiator cap when the
engine is running.
• Use a rag when opening the radiator cap,
and open the cap slowly to allow steam to
escape.
1. Carefully remove the radiator cap and
expansion-tank cap
Figure 116
1. Expansion-tank cap
2. Check the coolant level in the radiator
116).
Note:
When cool, the radiator should be filled
to the top of the filler neck and the expansion
tank filled to the Full mark.
3. If the coolant is low, add the recommended
replacement coolant to the expansion tank to
the Full mark.
Note:
Do not use water only or
alcohol/methanol-based coolants.
4. Install the radiator cap and expansion-tank cap.
(Figure 116).
2. Radiator cap
(Figure
Cleaning the Cooling
Systems
Service Interval: Before each use or daily
Perform the pre-maintenance procedure; refer to
Maintenance Safety (page
Important:
Do not use water to clean the radiator
core or hydraulic-fluid-cooler core. Cleaning
the radiator core or hydraulic-fluid-cooler core
with water can promote premature corrosion and
damage to components.
Cleaning the Radiator
1. Raise the hood to the fully-open position.
2. Pivot the engine-cooling fans rearward of the
radiator and lock the prop rod into the notch
(Figure 117).
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1. Prop rod
2. Engine-cooling fans
3. Using clean, compressed air, blow the debris
from the engine side rearward to clean the
radiator core.
4. Pivot the engine-cooling fans forward and lock
the prop rod into the notch
81
60).
Figure 117
3. Radiator
(Figure 118).
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