Engine Maintenance; Servicing The Air Cleaner; Changing The Engine Oil - Toro 22293 Operator's Manual

Engine Maintenance

Servicing the Air Cleaner

Service Interval: Every 25 hours—Clean the foam
pre-cleaner (more frequently in dusty
conditions).
Every 300 hours—Replace the paper air filter (more
frequently in dusty conditions).
Important: Do not operate the engine without the
air filter assembly in place; otherwise, extreme engine
damage will occur.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug.
3. Remove the cover and clean it thoroughly (Figure 18).
Figure 18
1. Cover
2. Foam pre-cleaner and
paper air filter
4. Remove and the foam pre-cleaner and the paper-air
filter from the air-cleaner base (Figure 18)
5. Remove the foam pre-cleaner from the paper air filter,
and wash the foam pre-cleaner with a mild detergent
and water, then blot it dry.
6. Inspect the paper air filter, and replace it if it is
excessively dirty.
Important: Do not try to clean a paper filter.
7. Install the foam pre-cleaner onto the paper air filter.
8. Install the foam pre-cleaner and paper air filter onto
the air-cleaner base.
9. Install the cover.
3. Air-cleaner base

Changing the Engine Oil

Service Interval: After the first 8 hours
Every 100 hours
With oil filter
Without oil filter
1. Run the engine to warm the engine oil.
Note: Warm oil flows better and carries more
contaminants.
WARNING
Oil may be hot after engine has been run, and
contact with hot oil can cause severe personal
injury.
Avoid contacting the hot engine oil when you
drain it.
2. Stop the engine and wait for all moving parts to stop.
3. Disconnect the wire from the spark plug.
4. Close the fuel valve (Figure 11).
5. Drain the gasoline from the fuel tank.
6. Place a suitable drain pan under the dipstick/oil drain.
7. Clean around the dipstick.
8. Remove the dipstick by rotating the cap
counterclockwise and pulling it out.
9. Tip the machine onto its right side (air filter up) to
drain the oil into the drain pan.
10. After draining the oil, return the machine to the
operating position.
11. Fill the crankcase to the Full mark on the dipstick with
fresh oil; refer to 2 Filling the Crankcase with Oil (page
8).
12. Insert the dipstick into the filler neck and rotate the cap
clockwise until it is tight.
13. Wipe up any spilled oil.
14. Recycle the used oil according to local codes.
17
Oil Capacity
0.85 L (29 oz)
0.65 L (22 oz)