This document is printed from SPI². Not for RESALE
Air Inlet and Exhaust
System
i04170052
Air Inlet and Exhaust System -
Inspect
A general visual inspection should be made to the air
inlet and exhaust system. Make sure that there are no
signs of leaks in the system.
There will be a reduction in the performance of the
engine if there is a restriction in the air inlet system or
the exhaust system.
Hot engine components can cause injury from
burns. Before performing maintenance on the en-
gine, allow the engine and the components to
cool.
Making contact with a running engine can cause
burns from hot parts and can cause injury from
rotating parts.
When working on an engine that is running, avoid
contact with hot parts and rotating parts.
1. Inspect the engine air cleaner inlet and ducting in
order to ensure that the passageway is not blocked
or collapsed.
2. Inspect the engine air cleaner element. Replace a
dirty engine air cleaner element with a clean
engine air cleaner element. Refer to Operation and
Maintenance Manual, “Engine Air Cleaner Element
(Dual Element) - Clean/Replace” or Operation and
Maintenance Manual, “Engine Air Cleaner Element
(Single Element) - Replace” for the correct
procedure.
3. Check for dirt tracks on the clean side of the engine
air cleaner element. If dirt tracks are observed,
contaminants are flowing past the engine air
cleaner element and/or the seal for the engine air
cleaner element.
Illustration 53 g02857416
Typical example
4. Inspect the orifice in the boost pressure chamber
(1) for blockages. If necessary, remove any
blockages.
Note: The boost pressure chamber is located on the
side of the engine oil cooler.
i05239437
Turbocharger - Inspect
Hot engine components can cause injury from
burns. Before performing maintenance on the en-
gine, allow the engine and the components to
cool.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
UENR0623 59
Air Inlet and Exhaust System
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