operators_manual

• Check SCR canister filter, clamps
and mounting brackets. Tighten if
necessary. Inspect SCR canister
for signs of rust or corrosion.
Exhaust Piping
• Check exhaust piping for rust,
corrosion, or damage. Replace
deteriorated piping before holes
appear. If piping is perforated at
any point, temporary patching or
lagging is acceptable until you can
have permanent repairs made. On
turbocharged engines, check joints
at flanges and mounting brackets
for tightness.
Diesel Particulate Filter (DPF)
• Check DPF, clamps, and mounting
brackets. Tighten if necessary.
Inspect DPF for signs of rust or
corrosion.
• Check internal baffling. You can do
this by listening for rattling sounds
while tapping on the (DPF with a
rubber mallet or revving the engine
up and down through its normal
operating range.
DEF Tank (See Aftertreatment System
manual)
Exhaust Tail Pipe
Engine Fan and Shroud
Hood Insulation Blanket
Inner Fenders Shields and Cab Skirts
Noise Control System -
Maintenance Log
To ensure your vehicle's noise control
requirements are maintained, record
maintenance checks. Use the following log
sheet and retain copies of documents
regarding maintenance services performed
and parts replaced on the vehicle.
Component Recom-
mended
Interval
(Miles)
Date & R.O.
No.
Repair
Facility &
Location
Work
Performed
Date & R.O.
No.
Repair
Facility &
Location
Work
Performed
Exhaust System
Routing Integrity
25,000
Shutters Shrouds 25,000
Hood Insulation
Blanket
10,000
Engine Mounted Hose
Insulators Fasteners
10,000
MAINTENANCE - Noise and Emission Control
Y53-6126-1A1 (01/21) 281
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