Toro 04383 Operator's Manual

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Contents

compound off of the cutting units. Adjust cutting unitreel to bedknife as needed. Move the cutting unit reelspeed control to the desired mowing position.Important: If the backlap lever is not returnedto the “F” position after backlapping, the cuttingunits will not raise or function properly.Hydraulic SystemMaintenanceChanging the Hydraulic Oiland FilterService Interval: After the first 50 hoursEvery 800 hoursIf the oil becomes contaminated, contact your local Torodistributor because the system must be flushed. Contaminatedoil looks milky or black when compared to clean oil.1. Clean the area around the filter mounting area(Figure 57). Place a drain pan under the filter andremove the filter.Note: If the oil is not going to be drained, disconnectand plug the hydraulic line going to the filter.Figure 571. Hydraulic oil filter2. Fill the replacement filter with the appropriate hydraulicfluid, lubricate the sealing gasket, and hand turn it untilthe gasket contacts the filter head. Then tighten 3/4turn further. The filter should now be sealed.3. Fill the hydraulic reservoir with approximately 5.5gallons of hydraulic oil; refer to Servicing HydraulicSystem Fluid.4. Start the machine and run it at idle for 3 to 5 minutesto circulate the fluid and remove any air trapped inthe system.5. Stop the machine, recheck the fluid level and replenishas required.6. Dispose of the oil and filter properly.45