Servicing The Engine Oil - Toro BC-25 Operator's Manual

3. Wash the foam pre-filter in liquid soap and warm water.
When clean, rinse it thoroughly.
4. Dry the pre-filter by squeezing it in a clean cloth and
allow it to air dry.
5. Put one or two ounces of engine oil on the pre-filter
(Figure 19).
1. Foam element
6. Squeeze the pre-filter to distribute the oil.
7. Carefully slide the foam pre-filter onto the paper filter
(Figure 18).
8. Install the air cleaner cover and secure it with the knob
(Figure 18).
Replacing the Air Filter
Service Interval: Every 100 hours
Note: Do not clean the paper element. Replace the paper
element if it is dirty or damaged.
To prevent engine damage, always operate the engine with the
complete foam and paper air cleaner assembly installed.
1. Carefully slide the foam pre-filter onto the paper filter
(Figure 18).
2. Place the air cleaner assembly onto the air cleaner base.
3. Install the cover, spacer and secure it with the cover nut.
4. Torque the nut to 60 in-lb (7 Nm).
5. Install the air cleaner cover and secure it with the knob.

Servicing the Engine Oil

Note: Change the oil more frequently when the operating
conditions are extremely dusty or sandy.
Oil Type: Detergent oil with an API service of SG, SH, SJ
or higher.
Crankcase Capacity: with filter 2 qt (1.9 liters)
Viscosity: SAE 10W-30 is recommended for general use.
Changing the Engine Oil
Service Interval: After the first 50 hours
Every 100 hours
Yearly or before storage
1. Start the engine and let it run five minutes. This warms
the oil so it drains better.
Figure 19
2. Oil
2. Park the machine so that the drain side is slightly lower
than the opposite side to ensure that the oil drains
completely.
3. Place one end of a hose on the drain valve and the
other end in a pan (Figure 20).
1. Oil drain valve
4. Open the drain valve by turning it counterclockwise,
pulling out as you turn it (Figure 20).
5. When the oil has drained completely, close the drain
valve by pushing in and rotating clockwise, and remove
the hose. Wipe up any spilled oil.
Note: Dispose of the used oil at a certified recycling
center.
6. Remove the old filter and wipe the filter adapter gasket
surface (Figure 21).
1. Oil filter
2. Gasket
7. Pour new oil of the proper type in through the center
hole of the filter. Stop pouring when the oil reaches
the bottom of the threads.
8. Allow a minute or two for the oil to be absorbed by
filter material, then pour off the excess oil.
9. Apply a thin coat of new oil to the rubber gasket on
the replacement filter.
10. Install the replacement oil filter to the filter adapter.
Turn the oil filter clockwise until the rubber gasket
contacts the filter adapter, then tighten the filter an
additional 3/4 turn.
17
Figure 20
2. Hose
Figure 21
3. Adapter