Adjusting The Mowing Speed; Cooling System Maintenance; Cooling System Safety; Cleaning The Radiator Screen - Toro Greensmaster 3420 TriFlex Operator's Manual

Adjusting the Mowing
Speed
The mow speed is set to 3.8 mph at the factory.
You can adjust the forward moving speed from 0 to 8
km/h (0 to 5 mph).
1. Loosen the jam nut on the trunnion bolt
43).
2. Loosen the nut securing the lock and mow
brackets on the pedal pivot.
Figure 43
1. Jam nut
2. Nut
3. Rotate the trunnion bolt clockwise to reduce the
mowing speed and counterclockwise to increase
the mowing speed.
4. Tighten the jam nut on the trunnion bolt and the
nut on the pedal pivot to lock the adjustment
(Figure 43). Check the adjustment and adjust
as required.
(Figure
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3. Trunnion bolt
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.
Cleaning the Radiator
Screen
Service Interval: Before each use or daily Clean it
hourly if conditions are extremely
dusty and dirty.
To prevent the system from overheating, keep the
radiator screen and radiator clean. Check and clean
the screen and radiator daily or, if necessary, hourly.
Clean these components more frequently in dusty,
dirty conditions.
1. Remove the radiator screen
1. Wing bolts
2. Radiator screen
2. Working from the fan side of the radiator, blow
out the radiator with compressed air.
3. Clean the screen and install it.
44
(Figure 44).
Figure 44
3. Reserve tank
4. Radiator cap
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