Engine Maintenance; Servicing The Air Cleaner - Toro 74840 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: Before each use or daily—Check the
air cleaner for dirty, loose or damaged
parts.
Every 25 hours—Service the foam
element. (more often under dusty,
dirty conditions)
Every 50 hours—Service the paper
element. (more often under dusty,
dirty conditions)
Every 100 hours—Replace the paper
element. (more often under dusty,
dirty conditions)
This engine is equipped with a replaceable, high density
paper air cleaner element. Check the air cleaner daily or
before starting the engine. Check for a buildup of dirt
and debris around the air cleaner system. Keep this area
clean. Also check for loose or damaged components.
Replace all bent or damaged air cleaner components.
Note: Operating the engine with loose or damaged air
cleaner components could allow unfiltered air into the
engine causing premature wear and failure.
Note: Service the air cleaner more often under
extremely dusty, dirty conditions.
1
4
1. Air cleaner cover
2. Air cleaner latch
3. Air cleaner
Servicing Foam Element
Check the foam element every 25 hours of operation
(more often under extremely dusty or dirty conditions).
Clean or replace the element as necessary.
Replace the air cleaner element yearly, or every 100
hours.
Loosen the knobs on the air cleaner cover and pull the
cover off to access the air cleaner element.
1. Open the air cleaner cover door on the blower
housing to access the air cleaner element (Figure 36).
2. Unhook the latch and remove the air cleaner
(Figure 36).
3. Wash the foam element in warm water with
detergent. Rinse the element thoroughly until all
traces of detergent are eliminated. Squeeze out
excess water (do not wring) and allow the foam
element to air dry.
4. Saturate the foam element with new engine oil.
Squeeze out all excess oil.
5. Reinstall the foam element over the paper air cleaner
element.
6. Clean the air cleaner base as required and check
condition.
7. Install the air cleaner onto the air cleaner base.
Secure with the latch.
8. Close the air cleaner cover door.
33
2
3
5
6
G010338
Figure 36
4. Air cleaner base
5. Foam element
6. Paper element