6.11 Air Intake
6.11.1 Service indicator - Signal ring position check
Preconditions
☑ Engine is stopped and starting disabled.
Checking signal ring position
1. If the signal ring is completely visible in the
control window (2), replace air filter
(→ Page 142).
2. After installation of new filter, press reset
button (1).
Result: Engaged piston with signal ring moves back
to initial position.
144 | Task Description | MS150031/03E 2011-10
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