Freightliner Cascadia. Instruction - page 6
MOP Number
Air Cleaner Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09–01
Air Intake
09
Index, Alphabetical
09–01 Air Cleaner Inspection
Restriction of air flow through the air cleaner element
is measured at the tap in the air cleaner outlet.
Check the restriction indicator at the air cleaner or in
the cab if the vehicle is equipped with a dash-
mounted restriction gauge.
Vehicles may be equipped with either a manual-reset
restriction indicator with graduations (
), or a
go/no-go restriction indicator without graduations
(
).
1.
Inspect the air restriction indicator to see if air
restriction equals or exceeds the maximum al-
lowable restriction. For instructions, see Group
09 of the Cascadia Workshop Manual.
NOTICE
Do not use aftermarket air-cleaner elements. After-
market air-cleaner elements may not seal the
housing correctly, which can lead to engine dam-
age and potentially the loss of warranty. When re-
placing an air-cleaner element, use only the part
listed in PartsPro for the serial number of the ve-
hicle.
2.
If necessary, replace the air cleaner element. For
air cleaner element replacement instructions, see
Group 09 of the Cascadia Workshop Manual.
3.
Inspect the air cleaner housing for cracks, leaks,
or any other damage. If the air cleaner housing
or element is damaged, replace it.
4.
Inspect the forward and rear mounting isolators
for damage. See
. Ensure the bonds be-
tween the rubber and the steel plates are com-
pletely intact. See
.
If a mounting isolator is damaged, replace it. For
isolator replacement instructions, see Section
09.01 of the Cascadia Workshop Manual.
5.
Remove the pre-cleaners (if so equipped) from
the hood plenum, then clean them with com-
pressed air.
6.
Reset the air restriction indicator.
7.
Each time the air cleaner housing is replaced,
perform the procedures in
.
08/07/2007
f090452
Fig. 1, Manual-Reset Air Restriction Indicator,
Graduated
04/08/2005
f090431
Fig. 2, Manual-Reset Air Restriction Indicator, Go/
No-Go
Air Intake
09
09/1
08/08/2007
f090453
1
2
2
3
4
5
6
2
7
1.
Forward Mounting
Bracket
2.
Nut
3.
Forward Mounting
Isolator
4,
Air Cleaner Housing
5
Aft Mounting Bracket
6.
Capscrews
7.
Aft Mounting Isolator
Fig. 3, Air Cleaner Assembly
01/17/2012
f090496
1
2
1.
Steel Plate
2.
Rubber
Fig. 4, Mounting Isolator
Air Intake
09
09/2
MOP Number
Air Compressor Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13–01
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13–00
Air Compressor
13
Index, Alphabetical