Maintenance Section
-125-
Every 250 Service Hours or Monthly
You must read and understand the warnings and instructions contained in the Safety section of this manual, before
performing any operation or maintenance procedures.
Air Intake System - Check, Clean
Servicing Filter Element
NOTICE
Never service precleaner with the engine running.
Typical Example LP Engine Truck
Service the air cleaner when the red target in the service
indicator stays locked in the visible position with the
engine stopped.
1. To service the air cleaner, loosen the cover latches
and remove the cover.
Typical Example LP Engine Truck
2. Rotate the element slightly to separate it from its
base and remove it from the air cleaner housing.
3. Clean and inspect the element or replace with a
new element. See topic, “Cleaning Primary Filter
Element”.
4. Clean the inside of air cleaner housing and the
cover. Inspect all connections between the air
cleaner and engine. Check intake hose for cracks,
damage and loose clamps. Tighten or replace parts
as necessary to prevent leakage.
NOTICE
Do not allow dirty air to enter the intake hose when
cleaning the inside of the air cleaner housing.
5. Check the air cleaner housing for loose latches.
6. Reset the air cleaner service indicator.
7. Install the air filter element.
8. Install the cover and tighten the cover latches.
9. Start the engine and observe the position of the
indicator. If the indicator shows RED after the
installation of the primary element, install another
clean or a new element or, replace the secondary
element. See topic, “Air Intake System - Change” in
Every 1000 Service Hours or 6 months section.
10. Stop the engine and close the hood and seat
assembly.
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