POWER TRAIN RT770E
7-14
Published 11/26/2014, Control # 447-05
Muffler
NOTE: Tier 3 muffler (Figure 7-8) and Tier 4 muffler
(Figure 7-9) are similar in removal and installation
despite the differences in the two mufflers, the
exhaust tailpipes, and the mounting bracket
weldments.
The Tier 4 muffler (diesel particulate filter) is
different in that it has sensors and electrical
connections.
Removal
1. Remove the sheet metal guard to gain access to the
muffler.
2. Remove clamp to free exhaust tailpipe from muffler.
3. Remove clamp to free muffler from exhaust tube.
4. Tier 4 only—tag and disconnect electrical connections.
5. Remove mounting bands to free muffler from muffler
mounting bracket.
6. Inspect muffler, exhaust tailpipe, exhaust tubes, bracket,
and attaching hardware. Repair or replace any of these
parts if damaged or missing.
Installation
1. Secure the muffler to the exhaust tube with a clamp.
2. Install the exhaust tailpipe on the muffler. Secure the
exhaust tailpipe to the muffler with clamp. Adjust the
clamp as needed.
3. If removed, secure the muffler mounting brackets to the
mountings with capscrews and nuts as needed. Secure
the muffler to the muffler mounting bracket with
mounting bands.
4. Tier 4 only—connect electrical connections as tag during
disassembly.
5. Install sheet metal guard.
CAUTION
Burn Hazard!
Do not touch muffler or exhaust parts until they are at
ambient temperature. Severe burning may result.
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