TM-9-2815-225-34-P
ENGINE, DIESEL: 6 CYLINDER IN-LINE TURBOCHARGED, CUMMINS MODEL NTC-400
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2005
TM-9-2815-225-34-P - Page 54 of 736
TM 9-2815-225-34&P
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PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INSTRUCTIONS (Contd)
FUEL PUMP SCREEN AND FUEL FILTER
WARNING
Compressed air used for cleaning purposes must not exceed
30 psi. Use only with effective chip guarding and personal
protective equipment (goggles/shield, gloves, etc.).
Fuel Pump Screen
—Soak screen in a carbon dissolving agent, then flush it in a sonic cleaner unit, or
clean screen in fuel oil and dry with compressed air. Visually inspect screen for holes or embedded
metal particles in mesh. Discard screen if damaged or worn and replace with new part.
Fuel Filter (spin-on type)
—Change fuel filter at 10,000-mile intervals. Open petcock and drain fuel
into a suitable container. Remove element with a filter wrench and transfer petcock from old filter to
new.
CRANKCASE
Check oil level daily and change oil hot full flow bypass filter elements at 10,000 miles or six months,
which ever occurs first. To check engine oil level, wait at least 1 minute after stopping to allow oil to
drain into crankcase. Safe operating level is between ADD and FULL mark on dipstick. Engine
capacity is 11.5 gallons with both filters. Check and clean crankcase breather and attaching hoses
whenever oil is changed.
STARTER
NOTE
Do not lubricate alternator and starter wiring.
Remove starter every 100,000 miles for lubrication. Refer to TM 9-2320-273-20. Remove three socket
head screws, add three to five drops of SAE oil to each reservoir, and lubricate drive and drive spline.
Clean with solvent, then apply a thin coat of grease (GAA) so the pinion will move freely.
ALTERNATOR
Inspect alternator at 100,000-mile intervals. No lubrication is required. Bearings are sealed for life.
AIR FILTER
WARNING
Compressed air used for cleaning purposes must not exceed
30 psi. Use only with effective chip guarding and personal
protective equipment (goggles/shield, gloves, etc.).
Service air filter when red shows in window of restriction indicator or at 2000 miles, which ever comes
first. Refer to TM 9-2320-273-10 for location and function of indicator Outside element can be washed
up to five times or blown clean with air an indefinite number of times. Outside element is costly and
should be reused. Handle and clean carefully. Inside safety filter should not be washed or blown clean
and should be replaced every 10,000 miles.
Clean the outside element by tapping the element, reverse flow cleaning with compressed air, or
washing in water with a mild non-sudsing detergent.
TEMPERATURE RISE
If ambient temperature rises to +70º F for no more than one week, use of OE/HDO 10 lubricating oil is
permissible. If ambient temperature rises to +32º F for no more than one week, use of OEA lubricating
oil is permissible.
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