freightliner COLUMBIA CL112 Maintenance Manual page 36

Air Intake
09–01 Air Cleaner Element
Inspection and
Replacement
Method 1
Replace the air cleaner element at the recommended
interval or when the air restriction indicator reaches
20 inH O on a vehicle with a Detroit Diesel engine,
2
22 inH O on a vehicle with an MBE engine, or 25
2
inH O on a vehicle with a Caterpillar or Cummins
2
engine. For replacement instructions, see Group 09
®
of the Columbia Workshop Manual . Reset the air
restriction indicator.
Each time the air cleaner is replaced, perform the
procedures in MOP 13–01.
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
20 inH O on a vehicle with a Detroit Diesel engine,
2
22 inH O on a vehicle with an MBE engine, or 25
2
inH O on a vehicle with a Caterpillar or Cummins
2
engine. For replacement instructions, see Group 09
of the Columbia ® Workshop Manual . Reset the air
restriction indicator.
Each time the air cleaner is replaced, perform the
procedures in MOP 13–01.
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.
Columbia Maintenance Manual, February 2004
09
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