freightliner FL80 1998 - Air Cleaner Element Inspecting and Replacing

09–01 Air Cleaner Element
Inspecting and
Replacing
Method 1
Replace the air cleaner element at the recommended
interval or when the air restriction indicator reaches
22 inH
2
O on a vehicle with an MBE engine, or 25
inH
2
O on a vehicle with a Detroit Diesel, Caterpillar,
or Cummins engine, if equipped with an air restriction
indicator.Forreplacementinstructions,seeGroup
09ofthe
BusinessClassTrucksServiceManual .
Reset the air restriction indicator.
If the maximum restriction is not reached, record the
air restriction value. If the value is higher than the
previous recording, reset the air restriction indicator.
If the value is lower than the previous recording, in-
spect the air cleaner and air cleaner element of
cracks, leaks, or any other damage.
If the air cleaner or air cleaner element is damaged,
replace it and reset the air restriction indicator.
Method 2
Replace the air cleaner element at the recommended
interval or when the air restriction indicator reaches
22 inH
2
O on a vehicle with an MBE engine, or 25
inH
2
O on a vehicle with a Detroit Diesel, Caterpillar,
or Cummins engine, if equipped with an air restriction
indicator.Forreplacementinstructions,seeGroup
09ofthe
BusinessClassTrucksServiceManual .
Reset the air restriction indicator.
If the maximum restriction is not reached, inspect the
air cleaner and air cleaner element for cracks, leaks,
or any other damage. If the air cleaner or air cleaner
element is damaged, replace it and reset the air re-
striction indicator.
Air Intake 09
Business Class Trucks Maintenance Manual, February 2004 09/1