7.12 Air Intake
7.12.1 Service indicator – Signal ring position check (optional)
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 182).
2. After installation of new filter, press reset
button (1).
Result: Engaged piston with signal ring moves
back to initial position.
184 | Task Description | MW15406/17E 2014-05
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