Toro 39519, Руководство оператора

Страница: 32 / 60

Engine Maintenance
Servicing the Air Cleaner
Service Interval: Every 250 hours—Replace the
primary air cleaner element —
check secondary air cleaner
element; replace if dirty. (May need
more often under severe conditions.
See the
Engine Owner’s Manual for
additional information.)
Every 500 hours
Inspect the foam and paper elements, and replace
them if they are damaged or excessively dirty.
Important:
Do not apply oil to the foam or paper
element.
Removing the Foam and Paper
Elements
1. Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2. Clean around the air cleaner to prevent dirt from
getting into the engine and causing damage
(
Figure 28 ).
g012352
Figure 28
1. Cover 3. Paper element
2. Hose clamp 4. Foam element
3. Rotate the cover knobs 1/4 turn counterclockwise
and remove the air-cleaner cover (
Figure 28 ).
4. Rotate the thumbscrew of the hose clamp
counterclockwise until you can separate the
air-cleaner assembly from the inlet duct (
Figure
28 ).
5. Carefully pull the foam element off the paper
element (
Figure 28 ).
Servicing the Foam Air-Cleaner
Element
Service Interval: Every 250 hours (more often under
severe conditions).
1. Inspect the element for tears, an oily film, or
damaged (
Figure 28 ).
Important:
Replace the foam element if it
is worn or damaged.
2. Wash the foam element in liquid soap and
warm water. When the element is clean, rinse
it thoroughly.
3. Dry the element by squeezing it in a clean cloth.
Servicing the Paper Air-Cleaner
Element
Service Interval: Every 200 hours—Check the paper
air-cleaner element (more often
under severe conditions).
Every 500 hours—Replace the paper air-cleaner
element (more often under severe conditions).
Important:
Do not wash the paper air-cleaner
element.
1. Inspect the element for tears, an oily film, or
damage to the rubber seal (
Figure 28 ).
Note:
Replace the paper element if it is
damaged.
2. Clean the paper element by gently tapping it to
remove dust and debris.
Note:
If the element is very dirty, replace the
air-cleaner element.
Note:
Do not use pressurized air to clean the
paper element.
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. Carefully slide the foam element onto the paper
air-cleaner element (
Figure 28 ).
2. Align the air-cleaner assembly onto the inlet duct
and secure it with the hose clamp (
Figure 28 ).
3. Align the air-cleaner cover onto engine cover
and secure the cover by rotating the cover knobs
1/4 tun clockwise (
Figure 28 ).
32