Toro 25500 Operator's Manual page 48

Checking the Air-intake Piping
Service Interval: Before each use or daily—Check the
air-intake piping for wear, damage, and
loose fasteners.
Every 250 hours—Check the air-intake piping for
wear, damage, and loose fasteners.
Inspect the air-intake piping for wear, damage, and loose
clamps (Figure 68).
Figure 68
1. Charge-air pipe (left)
•
Replace all damaged pipes, and tighten loose clamps to
prevent the air system from leaking.
Note: Torque the loose clamps to 8 N-m (72 in-lb).
•
Check for corrosion under the clamps and hoses.
Corrosion can allow corroded debris and dirt to enter
the intake system. Disassemble and clean the clean the
components as necessary.
Replacing the Air-cleaner Elements
Important: Do not try to clean a dirty primary or
secondary air-cleaner element.
1. Remove the left side panel; refer to
Panels (page 44).
2. Unlatch the 4 latches that hold the air-cleaner cover
and remove the cover
Removing the Side
(Figure 69).
1. Air pre-cleaner
2. Air-cleaner housing
3. Latch (4)
3. Remove the primary and secondary air-cleaner elements
from the air-cleaner housing
4. Use a clean damp cloth to clean the inside of the
cleaner housing
5. Inspect the primary air-cleaner element, and replace it
if it is damaged or excessively dirty.
6. Inspect the secondary air-cleaner element and replace
it if it is damaged.
Note: Replace the secondary air-cleaner element after
you have replaced the primary air-cleaner element 3
times or if the air-cleaner restriction indicator comes
on while the engine is running and you have already
replaced primary air-cleaner element.
7. If you replace the element(s), write the current date
and the engine hours on the new air-cleaner element(s)
with a permanent marking pen.
8. Insert the secondary air-cleaner element into the
air-cleaner housing.
9. Insert the primary air-cleaner element into the
air-cleaner housing.
10. Secure the air-cleaner cover to the air-cleaner housing
with the 4 latches on the housing
11. Install the left side panel; refer to
Panels (page 45).
12. Start the engine and check the restricted air-cleaner
indicator; refer to
Indicator (page
48
Figure 69
4. Secondary air-cleaner
element
5. Primary air-cleaner
element
6. Air-cleaner cover
(Figure 69).
(Figure 69).
(Figure
Installing the Side
Checking the Restricted Air-Cleaner
26).
69).