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a. Look especially for torn air inlet piping or boots and loose or damaged
clamps. Have worn or damaged parts repaired or replaced, as required.
b. Re-tighten loose connections.
Monitoring the Exhaust System
Inspect the Exhaust System as follows:
1. Check the exhaust manifold retaining bolts and other connections for
tightness.
2. Check the exhaust pipe rain cap for proper operation, if so equipped.
Inspection of the Air Compressor
NOTE: Because the air compressor facilitates air, lubricating oil, and
coolant flow, a failed air compressor could result in contamination between
these three fluids. When failed, an air compressor can produce excessive
crankcase pressure or allow an engine to ingest lubricating oil.
The air compressor incorporates three of the major systems of a diesel engine (air,
lubrication, and cooling). Inspect the air compressor looking for air, oil, and
coolant leaks.
Monitoring the Fuel and Fuel Tank
To prevent fuel and fuel tank problems, the following measures are recommended:
1. Keep the fuel tank filled to reduce condensation.
2. Before adding fuel, Refer to section "How to Select Diesel Fuel"
3. Refill the tank at the end of each day's operation to prevent condensation
from contaminating the fuel. Condensation formed in a partially filled tank
promotes the growth of microorganisms that can clog fuel filters and restrict
fuel flow.
4. To prevent microbe growth, add a biocide to the fuel tank or primary fuel
supply only as needed.
5. Open the drain at the bottom of the fuel tank every 30,000 miles (50,000
kilometers) to drain off any water and/or sediment.
WARNING: PERSONAL INJURY
To avoid injury from improper use of chemicals, follow the
chemical manufacturer's usage, handling, and disposal
instructions. Observe all manufacturer's cautions.
All information subject to change without notice.
DDC-SVC-MAN-0175 Copyright © 2014 DETROIT DIESEL CORPORATION
DD Platform EuroIV Operators Manual
71
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