185 S450 Operation & Maintenance Manual
SPARK ARRESTER MUFFLER
Cleaning Procedure
See the SERVICE SCHEDULE for the correct service
interval. (See SERVICE SCHEDULE on Page 134.)
Do not operate the loader with a defective exhaust
system.
This machine is factory equipped with a spark
arrester exhaust system that must be maintained for
proper function.
• WITH MUFFLER
The muffler chamber must be emptied every 100
hours of operation to keep it in working
condition.
• WITH DIESEL OXIDATION CATALYST (DOC)
Do not remove or modify the DOC.
• WITH DIESEL PARTICULATE FILTER (DPF)
The DPF must be maintained according to the
instructions in the Operation & Maintenance
Manual for proper function.
(If this machine is operated on flammable forest,
brush or grass cover land, a spark arrester attached
to the exhaust system may be required and must be
maintained in working order. Refer to local laws and
regulations for spark arrester requirements.)
I-2350-EN-0813
Stop the engine and open the rear door.
AVOID INJURY OR DEATH
When an engine is running in an enclosed area, fresh
air must be added to avoid concentration of exhaust
fumes. If the engine is stationary, vent the exhaust
outside. Exhaust fumes contain odorless, invisible
gases which can kill without warning.
W-2050-0807
Never use machine in atmosphere with explosive
dust or gases or where exhaust can contact
flammable material. Failure to obey warnings can
cause injury or death.
W-2068-1285
Stop engine and allow the muffler to cool before
cleaning the spark chamber. Wear safety goggles.
Failure to obey can cause serious injury.
W-2011-1285
Figure 261
Remove the plug (Item 1) [Figure 261] from the muffler.
When the engine is running during service, the
driving and steering controls must be in neutral and
the parking brake engaged. Failure to do so can
cause injury or death.
W-2006-1209
Start the engine and operate for approximately 10
seconds while a second person, wearing safety glasses,
holds a piece of wood over the outlet of the muffler. This
will force contaminants out through the cleanout hole.
Stop the engine. Install and tighten the plug. Close the
rear door.
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