Engine Maintenance; Engine Safety; Servicing The Air Cleaner - Toro 72907 Operator's Manual

Engine Maintenance

Engine Safety

•
Keep your hands, feet, face, clothing, and other
body parts away from the muffler and other hot
surfaces. Allow engine components to cool before
performing maintenance.
•
Do not change the engine governor speed or
overspeed the engine.

Servicing the Air Cleaner

Service Interval: Every 150 hours—Inspect the
primary filter (more often in dirty or
dusty conditions).
Every 300 hours/Yearly (whichever comes
first)—Replace the primary air filter (more often
in dirty or dusty conditions).
Every 300 hours—Check the inner air filter
(more often in dirty or dusty conditions).
Every 600 hours—Replace the inner air filter.
Removing the Filters
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Release the latches on the air cleaner and
pull the air-inlet cover off the air-cleaner body
(Figure 54).
4. Clean the air-inlet screen and cover.
5. Install the air-inlet cover and secure it with the
latches (Figure 54).
Figure 54
1. Air-inlet cover
2. Air-inlet screen
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3. Air-cleaner body
4. Latch
6. Release the latches on the air cleaner and pull
the air-cleaner cover off the air-cleaner body
(Figure 55).
7. Clean the inside of the air-cleaner cover with
compressed air.
8. Gently slide the primary filter out of the
air-cleaner body
Note:
Avoid knocking the filter into the side of
the body.
9. Remove the inner filter only if you intend to
replace it.
Important:
Never attempt to clean the inner
filter. If the safety filter is dirty, then the
primary filter is damaged. Replace both
filters.
1. Inner filter
2. Primary filter
3. Air-cleaner cover
10. Inspect the primary filter for damage by looking
into the filter, while shining a bright light on the
outside of the filter.
Note:
Holes in the filter will appear as bright
spots. If the filter is damaged, discard it.
Inspecting the Filters
1. Inspect the inner filter. If it is dirty, replace both
the inner and primary filters.
Important:
Do not attempt to clean the
inner filter. If the inner filter is dirty, then the
primary filter is damaged.
45
(Figure 55).
Figure 55
4. Latch
5. Air-cleaner body
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