Engine Maintenance; Engine Safety; Servicing The Air Cleaner - Toro 74947 Operator's Manual

Engine Maintenance

WARNING
Contact with hot surfaces may cause personal
injury.
Keep your hands, feet, face, clothing, and
other body parts away the muffler and other
hot surfaces.

Engine Safety

Shut off the engine before checking the oil or adding
oil to the crankcase.

Servicing the Air Cleaner

Service Interval: Every 150 hours—Inspect the
primary filter.
Every 300 hours/Yearly (whichever comes
first)—Replace the primary air filter (more often
in dusty or sandy conditions).
Every 300 hours—Check the inner air filter.
Every 600 hours—Replace the inner air filter.
Note:
Check the filters more frequently if the
operating conditions are extremely dusty or sandy.
Removing the Filters
1. Disengage the blade-control switch (PTO), move
the motion-control levers to the N
position, and set the parking brake.
2. Stop 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-cleaner cover off the air-cleaner body
(Figure 46).
1. Air-cleaner body
2. Primary filter
3. Latch
4.
5.
6.
-
EUTRAL LOCK
7.
Servicing the Primary Filter
•
If the primary filter is dirty, bent, or damaged,
replace it.
•
Do not clean the primary filter.
Servicing the Inner Filter
Replace the inner filter, never clean it.
Important:
filter. If the safety filter is dirty, then the primary
filter is damaged. Replace both filters.
39
Figure 46
Clean the inside of the air-cleaner cover with
compressed air.
Gently slide the primary filter out of the
air-cleaner body (Figure
Note:
Avoid knocking the filter into the side of
the body.
Remove the safety filter only if you intend to
replace it.
Important:
Do not attempt to clean the
safety filter. If the safety filter is dirty, then
the primary filter is damaged. Replace both
filters.
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 appear as bright spots.
If the filter is damaged, discard it.
Never attempt to clean the safety
g001883
4. Air-cleaner cover
5. Safety filter
46).