Toro 74191 Operator's Manual page 46

Maintenance
5. Install cap on filler neck.
1
2
Figure 42
1. Hydraulic reservoir cap
2. Screen
Replacing the Hydraulic Filter
Change the hydraulic filter:
After the first 8 operating hours.
After every 200 operating hours.
1. Position machine on a level surface, stop the
engine, and remove key from ignition switch.
IMPORTANT: Do not substitute automotive
oil filter or severe hydraulic system damage
may result.
2. Remove hydro cap and temporarily cover
opening with a plastic bag and rubber band to
prevent all hydro fluid from draining out.
3. Place drain pan under filter, remove the old filter
and wipe the filter adapter gasket surface clean
(Fig. 43).
44
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3. Fluid level-Full
Figure 43
1. Hydraulic filter
4. Apply a thin coat hydro fluid to the rubber
gasket on the replacement filter (Fig. 44).
5. Install replacement hydraulic filter onto the filter
adapter. Do not tighten.
6. Remove plastic bag from tank opening and allow
filter to fill with hydro fluid.
7. When fluid overflows filter turn the oil filter
clockwise until the rubber gasket contacts the
filter adapter, then tighten the filter an additional
1/2 turn (Fig. 44).
8. Clean up any spilled fluid.
9. 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 Bleeding Hydraulic System, page 45.
10. Check fluid level in hydraulic tank and add to
raise level to cover bottom of screen. DO NOT
OVER FILL.
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