Western Star 47X 2020, Maintenance Manual

Page: 30 / 166

changes in the intake air restriction gauge readings,
or loss of power. Inspect for possible clogging at the
cleaner inlet passages, especially if the engine is
running at an elevated idle. If the condition still ex-
ists, it may be resolvable by using a compressed air
nozzle to back-blow from inside the separator, using
the drain valves as an access to inject the air. Re-
moval of the outside air intake grate may be required
if the debris is not expelled from the cavity. See
Fig. 6 for Pre-Cleaner location in the truck.
f090528a 12/05/2019
4
5
6
7
8
2
1
3
1
1. Air Cleaner Housing
2. Nut
3. Forward Mounting
Isolator
4, Rear Mounting Isolator
5 Rear Mounting
Bracket
6. Clamp
7. Intake Duct
8. Clamp
Fig. 3, Air Cleaner Assembly
01/17/2012 f090496
1
2
1. Steel Plate 2. Rubber
Fig. 4, Mounting Isolator
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1
2
A
A. Check this connection.
1
Air Cleaner
2. Compressor Supply Line
Fig. 5, Compressor Supply Line Quick Connect
Air Intake
09
47X and 49X Maintenance Manual, August 2020
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