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Engine Maintenance
Engine Change
In the first quarter of 2005 the engines in these
units changed from a TK 3.95 to a TK376 to meet
EPA Tier 2 requirements.
The TK 3.95 is an EPA Tier 1 engine.
The TK376 is an EPA Tier 2 engine.
The most noticeable difference is that the valve
cover and intake manifold are separate on the
TK 3.95, but are an assembly on the TK376 (see
the following illustrations).
Figure 119: TK 3.95 (Tier 1)
Figure 120: TK376 (Tier 2)
EMI 2000
EMI 2000 is an extended maintenance interval
package. The EMI 2000 package consists of the
following key components:
• New EMI 2000-Hour Cyclonic Air Cleaner
Assembly and Air Cleaner Element (Standard
equipment on all TS units)
• New EMI 2000-Hour Fuel Filter (black with
gold lettering)
• New EMI 2000-Hour By-Pass Oil Filter
(black with gold lettering)
• API Rating CI-4 Mineral Oil (ACEA Rating
E3 or better for Europe)
• Five Year or 12,000 Hour ELC (Extended Life
Coolant).
The EMI package allows standard maintenance
intervals to be extended to 2,000 hours, or 1 year,
whichever occurs first.
NOTE: Units equipped with the EMI 2000
package do require regular inspection in
accordance with Thermo King's maintenance
recommendations.
Engine Lubrication System
The engine has a pressure lubrication system. See
the appropriate Engine Overhaul Manual for a
detailed description of the engine lubrication
system.
Oil pressure is affected by oil temperature,
viscosity and engine speed. Subnormal oil
pressures usually may be traced to lack of oil,
faulty relief valve or worn bearings. The use of
improper viscosity oil will also produce low oil
pressure shutdowns.
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