Inspection Of The Air Intake System; Monitoring The Air Cleaner - Detroit Diesel DD15 EuroIV Operator's Manual

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Routine Preventive Maintenance

Replacement of Belts

Replace the drive belts every 2,000 hours or 300,000 miles (480,000 km).

Inspection of the Air Intake System

Perform the following maintenance on the Air Intake System:

1. Inspect all the connections in the air system to make sure they are tight and

leak-free.

2. Check all hoses and ducting for punctures, deterioration, or other damage and

replace, if necessary.

The engine is equipped with an engine-mounted air cleaner that is flat in design to

accommodate various vehicle packages. Replace dry type air cleaner elements

when the maximum allowable air intake restriction has been reached.

1. Inspect the air cleaner element every 50,000 miles (80,000 km) or more often

if the engine is operating under severe dust conditions. Replace the element,

if necessary.

2. Check the gaskets for deterioration and replace, if necessary.

3. If the dry type air cleaner is equipped with an aspirator, check for aspirator

damage or clogging. Clean, repair or replace, as necessary.

NOTICE: Do not allow the air inlet restriction to exceed 20 in. H2O (5.0

kPa) under any engine operating conditions. A clogged air cleaner element

will cause excessive intake restriction and reduced air supply to the engine

resulting in increased fuel consumption, inefficient engine operation, and

reduced engine life.

4. Inspect the entire air system for leaks daily.

All information subject to change without notice.

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