Toro 74549 Operator's Manual page 51

4. Locate the front hydraulic hose under the hydraulic
tank and place drain pan under the tank (Figure 77).
5. Loosen the hose clamp and move it down the hose.
6. Remove the front hydraulic hose and allow the fluid to
run out of the tank.
3 2
Figure 77
1. Hydraulic tank
2. Hydraulic filter
7. Change the hydraulic filter. Refer to Replacing the
Hydraulic Filter.
8. Connect the hydraulic hose under the tank.
9. Add fluid to the tank until it reaches the cold baffle
of the tank.
Important: Use oil specified or equivalent. Other
fluids could cause system damage.
10. Install the hydraulic tank cap.
11. Start engine and let run for about two minutes to purge
air from the system. Stop the engine and check for
leaks. If one or both wheels will not drive, refer to
Bleeding Hydraulic System.
12. Check the level of the fluid and add fluid, if required.
Do not overfill.
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3. Front hydraulic hose
Replacing the Hydraulic Filter
Service Interval: After the first 8 hours
WARNING
Hot hydraulic fluid can cause severe burns.
Allow the hydraulic fluid to cool before performing
any maintenance to the hydraulic system.
1. Disengage the PTO and set the parking brake.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
Important: Do not substitute automotive oil filter
or severe hydraulic system damage may result.
3. Locate the filter and place drain pan under filter
(Figure 78).
1. Hydraulic tank
4. Remove the old filter and wipe the filter adapter gasket
surface clean (Figure 79).
5. Apply a thin coat hydraulic fluid to the rubber gasket
on the replacement filter.
6. Install replacement hydraulic filter onto the filter
adapter. Turn the oil filter clockwise until the rubber
gasket contacts the filter adapter, then tighten the filter
an additional 1/2 turn (Figure 79).
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Figure 78
2. Hydraulic filter