OM 25-3503 us – Edition 4.1 * 2503_3503b340.fm 3-109
Operation
3.59 Grading
Grading
☞ Lower the stabilizer blade to the ground
– see chapter 3.22 Stabilizer blade on page 3-33
☞ Set the depth of the layer you want to remove with the stabilizer blade lever
➥ The machine must not be raised by lowering the stabilizer blade
➥ The clearance between the stabilizer blade and the ground should be about 1 cm
(0.39 in)
3.60 Exhaust gas treatment (Tier IV)
The machine is equipped with a particulate matter catalyst for cleaning the exhaust gas
(only Tier IV).
The soot produced by burning diesel fuel is collected and burned in the particulate matter
catalyst at regular intervals. This process is called regeneration.
Regeneration takes about 30 minutes. The more often the automatic regeneration mode is
corrected or modified, the longer regeneration takes.
If the dirt in the particulate matter catalyst reaches a critical value, engine power is reduced
and machine operation has to be stopped.
Regeneration is only performed if the engine is at operating temperature.
Health hazard due to exhaust gases!
Can cause serious health hazards or death.
• Do not inhale exhaust gases.
• Use exhaust gas suction systems.
• Ensure sufficient ventilation during operation in enclosed premises.
Burn hazard at the exhaust system!
During regeneration, the exhaust system develops exhaust-gas temperatures
of about 600 °C (1,112 °F), even if the engine is running at idling speed ,
which can cause serious burns or death.
• Keep a safe distance from the exhaust system.
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