Belt Maintenance; Tensioning The Alternator Belt; Controls System Maintenance; Checking The Forward/Reverse Travel Pedal Action - Toro LT3340 Operator's Manual

Belt Maintenance

Check the condition and tension of the alternator belt after
the first day of operation and every 100 operating hours
thereafter.

Tensioning the Alternator Belt

Service Interval: After the first 8 hours
Every 100 hours
1. Open the hood.
2. Check the tension of the alternator belt by pressing
it (Figure 60) midway between the alternator and the
crankshaft pulleys with 10 kg (22 lb) of force.
Figure 60
1. Brace
2. Alternator belt
The belt should deflect 11 mm (7/16 inch). If the
deflection is incorrect, proceed to step
continue operation.
3. Loosen the bolt securing the brace to the engine
(Figure 60), the bolt securing the alternator to the brace
and the pivot bolt.
4. Insert a pry bar between the alternator and the engine
and pry out on the alternator.
5. When you achieve the proper tension, tighten
the alternator, brace and pivot bolts to secure the
adjustment.
3. Pivot bolt
3 If correct,
Controls System
Maintenance
Checking the Forward/Reverse
Travel Pedal Action
With the engine switched off, operate the forward and reverse
travel pedals through the full range of articulation and ensure
that the mechanism returns freely to the neutral position.
Checking the Operator
Presence Seat Switch
Service Interval: Before each use or daily
1. Sit on the operator seat and start the engine.
2. Lower the cutterheads to the ground.
3. Engage the cutter drive in the forward direction.
4. Rise from the operator seat and check that the cutting
cylinders come to a stop after an initial 0.5 to 1 second
delay.
5. Repeat the procedure with the cutting cylinders
running in reverse.
Checking the Cutter Drive
Interlock Switch
1. Stop the mower engine.
2. Operate the cutter drive switch to the off position and
turn the ignition key to position I. The cutterheads
drive switch indicator light should not illuminate.
3. Operate the switch to the forward position. The
indicator light should illuminate and the engine should
not start when the ignition key is turned. Repeat for
the reverse position.
Checking the Parking Brake
Interlock Switch
1. Stop the engine.
2. Engage the parking brake.
3. Turn the ignition key to position I. The parking brake
indicator light should illuminate.
4. Disengage the parking brake. The indicator light
should go out and the engine should not start when
the ignition key is turned.
5. Set the parking brake, sit on the operator seat, and start
the engine.
6. Release the parking brake.
7. Rise from the operator seat and check that the engine
stops.
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