POWER TRAIN RT540E SERVICE MANUAL
7-14 Published 4-20-2015, Control # 502-01
Muffler and Diesel Oxidation Catalyst - Tier 4
Interim
Removal
1. Remove the sheet metal guard to gain access to the
muffler and diesel oxidation catalyst.
2. Remove clamp to free exhaust tailpipe from muffler.
3. Remove clamps to free elbow from muffler.
4. Loosen mounting bands and remove muffler.
5. Remove clamp to free exhaust tube.
6. Remove clamp to free tube exhaust weldment/bellows
assembly and remove.
7. Loosen mounting band to free diesel oxidation catalyst
and remove diesel oxidation catalyst.
8. Inspect muffler, diesel oxidation catalyst, exhaust
tailpipe, exhaust tubes, bellows, and attaching
hardware. Repair or replace any of these parts if
damaged or missing.
Installation
When assembling the muffler/diesel oxidation catalyst leave
the clamps and mounting hardware loose until the assembly
is together.
1. Install the diesel oxidation catalyst into the mounting
band.
2. Connect the tube exhaust weldment/bellows assembly.
3. Install the muffler into the mounting bands.
4. Attach the elbow to the muffler using the clamp.
5. Install the exhaust tailpipe on the muffler. Secure the
exhaust tailpipe to the muffler with clamp. Adjust the
clamp as needed.
6. Tighten all hardware and clamps.
7. Install sheet metal guard.
Slip Joint Exhaust Connectors
Slip joint exhaust couplers require tightening to avoid
exhaust leaks. Perform the following procedures at the
appropriate intervals.
After 1000 Hours, or One Year
Visually inspect the exhaust connector. If necessary, tighten
the v-clamps by one full turn of the nuts.
2000 Hours or 2 Years
Tighten the v-clamps by 1 ½ turns of the nuts.
4000 Hours or 4 Years
Tighten the v-clamp by 1 ½ turns of the nuts.
5000 Hours or 5 Years
Remove the v-clamps and gaskets, and replace them with
new gaskets and clamps. Tighten the v-clamps to 9.6 to 11.3
Nm (85 to 100 lb-in) of torque.
CAUTION
Burn Hazard!
Do not touch muffler or exhaust parts until they are at
ambient temperature. Severe burning may result.
Reference Only