
7.23.2 Actuators – Visual inspection and test
Preconditions
☑
Engine is stopped and starting disabled.
WARNING
Actuation mechanism in the exhaust and intake area closes automatically.
Risk of crushing hands!
• To carry out the teach-in routine, keep clear of the safety zone of the actuation mechanism in
the intake and exhaust area.
• Switch off the operating voltage of the engine governor before starting the mechanical test.
• Wear protective goggles.
WARNING
Hot components/surfaces.
Risk of burns!
• Allow the engine to cool down to below 50 °C before beginning work.
• Wear suitable protective equipment/thermal gloves.
• Avoid unprotected contact with hot surfaces.
Checking actuators visually
Item
Findings
Measure
Corrugated pipe (1)
Damaged, holes or cracks.
Replace
Coolant connections (2, 3)
Traces of coolant leaks.
Replace
Output shaft (4)
Damaged
Replace
162 | Task Description | MS150096/03E 2015-04
TIM-ID: 0000044543 - 005