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Servicing 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 units to the
ground and drain the hydraulic system.
1.
Remove the fluid tank filler flange to gain access
to the suction strainer.
2.
Unscrew and remove the strainer and clean with
paraffin/kerosene or gasoline before installing.
3.
Install the return line fluid filter element.
4.
Install the transmission fluid filter element.
5.
Fill the hydraulic tank with fresh clean hydraulic
fluid of the recommended grade.
6.
Run the machine and operate all hydraulic
systems until the hydraulic fluid is warm.
7.
Check the fluid level and top up as necessary to
the upper mark on the sight level gauge.
Figure 56
1. Fluid-tank filler cap
2. Suction strainer
g014452
3. Filler strainer
Checking the Hydraulic
Fluid Overheat Warning
System
Service Interval: Every 500 hours
1. Temperature switch
1.
Turn the ignition key to the ignition on position I.
2.
Disconnect the red/yellow wire terminal from the
hydraulic tank temperature switch.
3.
Touch the metal terminal of the wire onto a
suitable ground point, ensuring that the metal
surfaces make good contact.
The horn sounds and the hydraulic fluid temperature
warning light illuminates to confirm correct operation.
If necessary, make repairs before operating the
mower.
Checking the Hydraulic
Lines and Hoses
Daily, check hydraulic lines and hoses for leaks, kinked
lines, loose mounting supports, wear, loose fittings,
weather deterioration, and chemical deterioration.
Make all necessary repairs before operating.
48
Figure 57
2. Hydraulic-fluid tank
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