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

Adjusting the Mowing Speed

The machine is adjusted at the factory, but speed may be
varied if desired.
1. Loosen the jam nut on the trunnion bolt (Figure 53).
2. Loosen the nut securing the lock and mow brackets
on the pedal pivot.
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Figure 53
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 53).
Check the adjustment and adjust as required.
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3. Trunnion bolt
Cooling System
Maintenance

Cleaning the Radiator Screen

To prevent the system from overheating, the radiator screen
and radiator must be kept 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 (Figure 54).
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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.
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Figure 54
3. Overflow tank
4. Radiator cap
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