Toro 74633 Operator's Manual page 25

1. Oil dipstick
2. Oil level—Full mark
6. Pull the dipstick out, and check the oil level. (Figure
29).
Note: The oil level should be up to, but not over, the
Full or F mark on the dipstick
7. If the level is low, add oil of the proper type, up to the
Full or F mark on the dipstick.
Note: Always check the level with the dipstick before
adding more oil.
Note: To prevent extensive engine wear or damage,
always maintain the proper oil level in the crankcase.
Never operate the engine with the oil level below the
Add or L mark or above the Full or F mark on the
dipstick.
8. Remove dipstick and check oil level.
Note: The level should be between the Full or F and
Add or L marks. If low, add oil of the proper type up
to the full mark.
9. Install the oil-fill cap/dipstick.
Changing the Engine Oil and the
Engine-oil Filter
Service Interval: Every 100 hours—Change the engine oil
and the engine-oil filter.
Fill with oil as specified in the "Viscosity Grades" table
(Figure 28).
Change the engine oil and the engine-oil filter while the
engine is still warm. The oil will flow more freely and carry
away more impurities. Make sure that the engine is level when
filling, checking, or changing the oil.
Change the engine oil and the engine-oil filter as follows:
1
4
Figure 29
3. Oil level—Low mark
4. Filler tube
1. Park the machine, so that the drain side is slightly lower
than the opposite side, to ensure that the oil drains
completely.
2. Disengage the blade-control switch and move the
motion controls outward to the park position.
3. Stop the engine, remove the key, and wait for all moving
2 parts to stop before leaving the operating position.
3
4. Locate the oil-drain hose on the left side of the engine.
(Figure 30).
Note: The drain plug is attached to the drain hose.
5. Clean the area around the oil-drain plug and the
oil-drain hose.
g023855
6. Place a drain pan underneath the machine, directly
below the oil-drain hose as shown in Figure 30.
1. Oil-drain plug
2. Pan
7. Using 2 wrenches (one to hold the oil-drain hose and
one to loosen the plug), remove the oil-drain plug
(Figure 30).
8. Remove the oil-fill cap/dipstick (Figure 29).
9. Allow ample time for complete drainage.
10. Locate the oil filter on the right side of the engine, and
remove the old filter and wipe off the filter adapter
with a clean cloth (Figure 31).
25
Figure 30
3. Oil-drain hose