Servicing The Air Cleaner - Toro 74603 Operator's Manual

Important: Do not overfill the crankcase
with oil because the engine may be
damaged.
Changing and Draining the Oil
1. Start the engine and let it run until warm. This
warms the oil so that it drains better.
2. Park the machine so that the drain side is
slightly lower than the opposite side to ensure
that the oil drains completely.
3. Disengage the blade control switch and move
the control levers to the neutral locked position
and apply the parking brake.
4. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
5. Place a pan below the oil drain. Remove the oil
drain cap (Figure 22).
6. When the oil has drained completely, install the
drain cap. (Figure 22).
Note: Dispose of the used oil at a certified
recycling center.
7. Clean around the oil dipstick and unscrew the
cap (Figure 22).
Figure 22
1. Oil drain
8. Slowly pour approximately 80% of the
specified oil into the filler cap (Figure 22).
Refer to Servicing the Engine Oil.
9. Check the oil level; refer to Checking the Oil
Level.
10. Slowly add additional oil to bring it to the full
mark.
2. Oil dipstick
Changing the Oil Filter
Replace the oil filter every 200 hours or every
other oil change.
Note: Change the oil filter more frequently when
operating conditions are extremely dusty or sandy.
1. Drain the oil from the engine; refer to
Changing and Draining the Oil.
2. Remove the old filter (Figure 23).
3. Apply a thin coat of new oil to the rubber
gasket on the replacement filter.
Figure 23
1. Oil lter
4. Install the replacement oil filter to the adapter.
Turn the oil filter clockwise until the rubber
gasket contacts the filter adapter, then tighten
the filter an additional 2/3 to 1 turn (Figure 23).
5. Fill the crankcase with the proper type of new
oil; refer to Changing and Draining the Oil.

Servicing the Air Cleaner

Foam Element: Clean and oil after every
25 operating hours.
Paper Element: Replace after every 200 operating
hours or yearly, whichever comes first.
Note: Service the air cleaner more frequently
(every few hours) if operating conditions are
extremely dusty or sandy.
Removing the Foam and Paper
Elements
1. Disengage the blade control switch and move
the control levers to the neutral locked position
and apply the parking brake.
2. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
23
2. Adapter