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Item 14 – Air System
All the connections in the air system
should be checked to make sure
they are tight and leak free. Check
all hoses and ducting for punctures,
deterioration or other damage and
replace, if necessary.
Item 15 – Exhaust System
Have the exhaust manifold retaining
bolts and other connections checked
for tightness. Have the exhaust pipe
rain cap checked for proper operation,
if so equipped.
Item 16 – Engine (Steam
Clean)
Steam clean the engine and engine
compartment every 60,000 miles
(96,000 km) or 2,100 hours,
whichever comes first. Steam clean
more frequently, if operating in dusty
or dirty environments.
NOTICE:
Do not apply steam or solvent
directly to the battery-charging
alternator, starting motor, electronic
engine control components, sensors
or other electrical components, as
damage to electrical equipment may
result.
All information subject to change without notice. (Rev. May 2004)
DDC-SVC-MAN-0057 0305 Copyright © 2003 DETROIT DIESEL CORPORATION
SERIES 40 ENGINE OPERATOR'S GUIDE
Item 17 – Radiator
The exterior of the radiator core
should be inspected every 30,000
miles (48,000 km), 12 months, or
300 hours (stationary and industrial
engines) and cleaned, if necessary.
To avoid injury from flying debris
when using compressed air, wear
adequate eye protection (face
shield or safety goggles) and do
not exceed 40 psi (276 kPa) air
pressure.
Use a quality grease solvent, such
as mineral spirits, and dry with
compressed air. Fuel oil, kerosene or
gasoline should not be used.
It may be necessary to clean the
radiator more frequently if the engine
is being operated in extremely dusty
or dirty areas.
If the low coolant level sensor is
installed in the top tank of the radiator,
it should be tested for proper operation
every 100,000 miles (160,000 km)
or 12 months, whichever comes first.
Authorized Detroit Diesel distributors
are properly equipped to perform this
service.
67
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