Engine Maintenance; Servicing The Air Cleaner - Toro 74141 Operator's Manual

Engine Maintenance

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

Servicing the Air Cleaner

Service Interval: Every 250 hours—Replace the primary
air filter (more often in dusty or sandy
conditions).
Every 250 hours—Check the safety air filter.
Every 500 hours—Replace the safety air filter.
Note: Check the filters more frequently if the operating
conditions are extremely dusty or sandy.
Removing the Filters
1. Disengage the PTO, move the motion-control levers to
the neutral-locked 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 37
1. Air-cleaner body
2. Primary filter
3. Latch
4. Clean the inside of the air-cleaner cover with
compressed air.
5. Gently slide the primary filter out of the air-cleaner
body (Figure 37).
Note: Avoid knocking the filter into the side of the
body.
(Figure 37).
4. Air-cleaner cover
5. Safety filter
6. 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.
7. Inspect the primary filter for damage by looking into
the filter while shining a bright light on the outside of
the filter. Holes in the filter will appear as bright spots.
If the filter is damaged, discard it.
Servicing the Primary Filter
•
If the primary filter is dirty, bent, or damaged, replace it.
•
Do not clean the primary filter.
Servicing the Safety Filter
Replace the safety filter, never clean 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.
Installing the Filters
Important: To prevent engine damage, always operate
the engine with both air filters and the cover installed.
1. If installing new filters, check each filter for shipping
damage.
Note: Do not use a damaged filter.
2. If the safety filter is being replaced, carefully slide it
into the filter body
3. Carefully slide the primary filter over the safety filter
(Figure 37).
Note: Ensure that the primary filter is fully seated by
pushing on its outer rim while installing it.
Important: Do not press on the soft inside area
of the filter.
4. Install the air-cleaner cover with the side indicated as
up facing upward and secure the latches
32
(Figure 37).
(Figure 37).