Transmission Neutral Interlock Switch; Hydraulic System Maintenance; Hydraulic System Safety; Service The Hydraulic System - Toro Groundsmaster 3400 Operator's Manual

Transmission Neutral Interlock
Switch
1. Shut off the engine.
2. Remove your foot from the forward/reverse travel
pedals.
3. Turn the ignition key to the
transmission neutral indicator light should illuminate.
4. Apply light pressure to the travel pedals in a forward
and reverse direction to check that the indicator light
turns off.
Note: Take extreme care to ensure that the area around the
mower is clear before checking that the engine does not start
under this condition.
position (I) and the
ON
Hydraulic System
Maintenance

Hydraulic System Safety

•
Ensure that all hydraulic-fluid hoses and lines are in
good condition and all hydraulic connections and
fittings are tight before applying pressure to the
hydraulic system.
•
Keep your body and hands away from pinhole leaks
or nozzles that eject high-pressure hydraulic fluid.
•
Use cardboard or paper to find hydraulic leaks.
•
Safely relieve all pressure in the hydraulic system
before performing any work on the hydraulic system.
•
Seek immediate medical attention if fluid is injected
into skin. Injected fluid must be surgically removed
within a few hours by a doctor.

Service the Hydraulic System

Service Interval: Every 500 hours
Note: Keep water away from electrical components. Use a
dry cloth or brush to clean such areas.
This procedure is best carried out when the hydraulic fluid is
warm (not hot). Lower the cutting unit to the ground and
drain the hydraulic system.
1. Remove the oil tank filler flange to gain access to the
suction strainer.
2. Unscrew and remove the strainer and clean with
paraffin or petrol before installing.
3. Install the return-line-oil-filter element.
4. Install the transmission-oil-filter element.
5. Refill the hydraulic tank with fresh clean hydraulic fluid
of the recommended grade, refer to
Hydraulic Fluid (page
6. Run the machine and operate all hydraulic systems until
the hydraulic fluid is warm.
7. Check the oil level and top it up as necessary to the
upper mark on the sight-level gauge.
43
Checking the
19).