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TK 61753-2-MM-EN
Engine Maintenance
EMI 3000
EMI 3000 is an extended maintenance interval package. The EMI 3000 package consists of the following key
components:
• EMI 3000-Hour Cyclonic Air Cleaner Assembly and Air Cleaner Element
• EMI 3000-Hour 5-Micron Fuel Filter
• EMI 3000-Hour Dual Element Oil Filter (blue with white lettering)
• API Classification CJ-4 or CK-4 Oil
• Five Year or 12,000 Hour Extended Life Coolant (ELC)
The EMI package allows standard maintenance intervals to be extended to 3,000 hours, or 2 years, whichever occurs
first.
NNoottee:: Units equipped with the EMI 3000 package do require regular inspection in accordance with Thermo King's
maintenance recommendations.
NNoottee:: The new EMI 3000 oil filters and new EMI 3000 air cleaners are NOT interchangeable with the oil filters and air
cleaners previously used in trailer units.
Engine Lubrication System
The TK486 family of engines use a pressure lubrication system. Refer to the TK482 and TK486 Engine Overhaul Manual
(TK 50136-2-OM) for a detailed description of the engine lubrication system.
Engine Oil Change
The engine oil should be changed according to the Maintenance Inspection Schedule.
1. Drain the oil only when the engine is hot to verify that all the oil drains out.
2. When changing oil, keep unit and trailer level so all the oil can flow from the oil pan.
NNoottee:: It is important to get as much of the oil out as possible because most of the dirt particles are contained in the
last smallest quantity of oil that drains out of the pan.
3. Refill the pan with oil and check the dipstick level. The new oil filter must also be filled with oil before it is installed,
therefore use a total of approximately 13 quarts (12.3 liters/litres) to fill the oil filter and refill the pan.
4. Run the unit, and recheck the oil level.
5. The engine oil level should be at the FULL mark with the dipstick turned (threaded) into the oil pan. Never overfill.
6. See Specifications for correct type of oil.
Oil Filter Change
The oil filter should be changed along with the engine oil. Use a genuine Thermo King extended maintenance oil filter.
1. Remove the filter.
2. Fill the new oil filter with clean engine oil.
3. Apply oil to the two inner O-rings of the new filter and install the filter.
4. Hand tighten the filter until it seats firmly. The exposed dust seal ring, if equipped, does not need to be compressed.
5. Start the unit and check for leaks.
Low Oil Pressure
Oil pressure is affected by oil temperature, oil viscosity, and engine speed.
• Low oil pressure can usually be traced to the lack of oil, a faulty oil pressure regulating valve, or worn bearings.
• Low oil pressure is not normally caused by a faulty oil pump.
• Use the “Low Oil Pressure Flow Chart” (Figure 10, p. 57) to help diagnose low oil pressure.
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