Toro 41568 Operator's Manual page 31

Figure 39
1. Hydraulic filter
3. Place a drain pan under the filter.
4. Remove the filter (Fig. 39).
5. Lubricate the new filter gasket (Fig. 39).
6. Ensure that the filter mounting area is clean.
7. Screw the filter on until the gasket contacts the
mounting plate, then tighten the filter 1/2 turn.
8. Start the engine and let it run for about 2 minutes to
purge air from the system.
9. Stop the engine and check the hydraulic oil level and
for leaks.
10. Dispose of the used filter at a certified recycling center.
Changing the Hydraulic Oil
Use 12 US gallons (45.4 l) of Mobil 424 hydraulic oil or
equivalent.
1. Replace the hydraulic oil filter; refer to Replacing the
Hydraulic Oil Filter, page 30.
2. Clean the area around one hydraulic hose fitting on the
bottom of the hydraulic oil tank (Fig. 40).
2
1
2. Gasket
1. Hydraulic hose and fitting
3. Place a large pan under the fitting.
4. Remove the hose fitting from the tank, allowing the oil
to drain into the pan (Fig. 40).
5. Install the hose and fitting to the tank and tighten it
securely.
6. Fill the hydraulic reservoir with approximately 12 US
gallons (45.4 l) of Mobil 424 hydraulic oil or
equivalent.
7. Start the machine and run it at idle for 3 to 5 minutes to
circulate the fluid and remove any air trapped in the
system.
8. Stop the engine and check the hydraulic oil level and
for leaks.
9. Dispose of the used oil at a certified recycling center.
Checking the Hydraulic Lines and Hoses
Inspect the hydraulic lines and hoses daily for leaks, kinked
lines, loose mounting supports, wear, loose fittings, weather
deterioration and chemical deterioration. Make all
necessary repairs before operating.
31
Figure 40
1