Lubricating The Gear Case; Engine Maintenance; Servicing The Air Filter; Changing The Engine Oil - Toro 22188 Operator's Manual

Figure 23
1. Grease tting
3. Install a grease gun onto the fitting and gently
apply 2 or 3 pumps of #2 multi-purpose
lithium-base grease.
Important: Excessive grease pressure
may damage the seals.

Lubricating the Gear Case

After every 100 operating hours, grease the gear
case.
1. Remove the grass bag.
2. Install a grease gun onto the fitting through the
belt cover opening (Figure 24).
Figure 24
1. Belt cover
3. Gently apply one to 2 pumps of #2
multi-purpose lithium-base grease.
4. Install the grass bag.

Engine Maintenance

Servicing the Air Filter

Clean the foam pre-cleaner every 25 operating
hours. Replace the paper air filter once every
season or every 300 operating hours; replace it
more frequently in dusty conditions.
2. Grease tting
Important: Do not operate the engine
without the air filter assembly; 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
(Figure 12).
3. Remove the cover and clean it thoroughly
(Figure 25).
Figure 25
1. Cover
2. Paper air lter
4. Remove and inspect the paper air filter
(Figure 25), and discard it if it is excessively
dirty.
Important: Do not try to clean a paper
filter.
5. Remove the foam pre-cleaner and wash it with
a mild detergent and water, then blot it dry
(Figure 25).
6. Install the foam pre-cleaner onto the paper air
filter.
7. Install the air filter assembly.
Note: Install a new paper air filter if you
discarded the old one.
8. Install the cover.

Changing the Engine Oil

Change the oil after the first 8 operating hours and
than after every 50 operating hours or every season
(more frequently in dusty or dirty conditions).
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3. Air lter base