Engine Maintenance; Servicing The Air Cleaner - Toro 74670 Operator's Manual

Engine Maintenance

Servicing the Air Cleaner

Service Interval: Before each use or daily—Clean and check
the air cleaner foam element.
Every 50 hours—Replace the air cleaner paper
element.
Note: Service the air cleaner more frequently if the operating
conditions are extremely dusty or sandy.
Removing the Foam and Paper
Elements
1. Disengage the blade-control switch (PTO).
2. Stop the engine, wait for all moving parts to stop, and
remove the key before leaving the operating position.
3. Clean around the air cleaner to prevent dirt from
getting into the engine and causing damage.
4. Remove the air-cleaner cover by unscrewing the 2
knobs (Figure 26).
Figure 26
1. Air-cleaner cover
5. Carefully remove the foam and paper filter elements
from the air-cleaner housing
g020242
2. Knobs
(Figure 27).
1. Foam element
6. Separate the foam and paper elements.
Cleaning the Foam and Paper Elements
Foam Element:
1. Wash the foam element in liquid soap and warm water.
2. When the element is clean, rinse it thoroughly.
3. Dry the element by squeezing it in a clean cloth.
Note: Do not oil the element.
Important: Replace the foam element if it is torn
or worn.
4. Install the foam element onto a clean paper element.
Paper Element:
1. Tap the paper element on a solid, flat surface, and blow
it out from the inside with compressed air to remove
dust and dirt.
2. Inspect the element for tears, an oily film, and damage
to the rubber seal.
Important: Do not clean the paper element with
liquids, such as solvents, gasoline, or kerosene.
Replace the paper element if it is damaged or
cannot be cleaned thoroughly.
3. Clean the inside of the air-cleaner cover of all dirt, dust,
and debris.
Installing the Foam and Paper Elements
Important: To prevent engine damage, always operate
the engine with the complete foam and paper air cleaner
assembly installed.
1. Install the foam filter onto the paper filter
2. Install the foam and paper filter onto the air-cleaner
housing.
3. Install the air-cleaner cover, and tighten the 2 knobs
(Figure 26).
29
g020243
Figure 27
2. Paper element
(Figure 27).