Engine Maintenance
62
Oil Filter Change
The oil filters should be changed along with the
engine oil.
Spin-on Filters:
1. Remove the filter.
2. Apply oil to rubber ring of new filter and
install filter.
3. Tighten the filter until the rubber ring makes
contact, then tighten 1/2 turn more.
Crankcase Breather
The crankcase breather system ducts crankcase
gases formed in the crankcase directly to the
intake elbow. Harmful vapors that would
otherwise collect in the crankcase and
contaminate the oil or escape to the outside, are
now drawn back into the engine and burned. The
breather hose should be inspected yearly to make
sure it is not plugged.
Engine Air Cleaner (EMI 2000)
The EMI 2000 air cleaner is a dry element air
cleaner used in late model units. The air cleaner
filters all of the air entering the engine. Excessive
restriction of the air intake system affects
horsepower, fuel consumption and engine life.
Inspect the element at every oil change.
On dry element air cleaners equipped with an air
restriction indicator, check the air restriction
indicator during Pretrip inspections. The air
restriction indicator is attached to the intake side
of the air cleaner assembly.
Replace the air filter when the air restriction
indicator reads 25 in. (635 mm) of vacuum. Press
the reset button on the top of the air restriction
indicator after replacing the air filter element.
Replace the EMI 2000 air cleaner element when
the air restriction indicator reads 25 in. (635 mm)
of vacuum, or at 2,000 hours, or 1 year, whichever
occurs first. It cannot be interchanged with air
filter elements used on previous Thermo King
truck units.
1. Spin-on Oil Filter
2. Pressure Valve Nut
3. Oil Pressure Valve
Figure 30: Oil Filter Parts
1. Output Connections
2. Air Restriction Indicator
(if equipped)
3. Intake Hose Connection
4. Dry Filter Element
Figure 31: Dry Type Air Cleaner
1
2
3
4
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