Toro T4240 Operator's Manual page 47

Problem
There are lines of uncut or badly cut grass
in the direction of travel.
The differential lock is not operational.
There is scalping of the turf.
There is excessive bottom blade wear.
The engine does not start with the ignition
key.
The battery has no power.
Possible Cause
1. There is tram lining of the cutting
edges due to heavy contact caused by
poor cutting-cylinder-to-bottom-blade
adjustment.
2. The bottom blade is in contact with the
ground.
3. The bottom blade has a nose-down
attitude.
4. The cutting units are bouncing.
5. There are worn cylinder
bearings/bearing housing pivots.
6. There are loose components in the
cutting unit.
1. The switch is damaged.
2. The solenoid valve is damaged.
3. The wiring is damaged/worn.
1. The undulations are too severe for the
height of cut setting.
2. The height of cut is too low.
1. The bottom blade is in heavy contact
with the ground.
2. The cutting edges of the cutting
cylinder and/or bottom blade are
rounded.
3. The cylinder is in heavy contact with
the bottom blade.
4. There is a damaged cutting cylinder or
bottom blade.
5. There are excessively abrasive ground
conditions.
1. The transmission neutral interlock
switch is not energized.
2. The parking brake interlock switch is
not energized.
3. The cutting unit drive interlock switch
is not energized.
4. There is a malfunctioning electrical
connection.
1. A terminal connection is loose or
corroded.
2. The alternator belt is loose or worn.
3. The battery is discharged.
4. There is an electrical short circuit.
47
Corrective Action
1. Back lap or grind the edges.
2. Raise the height of cut.
3. Adjust the cutting unit to position the
bottom blade parallel to the ground.
4. Reduce the forward speed and reduce
the weight transfer.
5. Replace any worn parts.
6. Check and tighten components as
necessary.
1. Check the switch and replace if
necessary.
2. Service or replace the solenoid valve.
3. Check the wiring/connections as
necessary.
1. Use floating cutting units.
2. Raise the height of cut.
1. Raise the height of cut.
2. Back lap or grind the edges.
3. Adjust the
cutting-cylinder-to-bottom-blade
contact.
4. Grind or replace parts as necessary.
5. Raise the height of cut.
1. Remove your foot from the
forward/reverse pedals or check
the setting of the transmission neutral
interlock switch.
2. Move the parking brake switch to the
On position.
3. Move the cutter switch to the Off
position.
4. Locate and correct the fault in the
electrical system.
1. Clean and tighten the terminal
connections. Charge the battery.
2. Adjust the tension or replace the belt;
refer to engine operator's manual.
3. Charge or replace the battery.
4. Locate the short circuit and fix it.