Air Intake - MTU 12 V 2000 M92 Operating Instructions Manual

7.11 Air Intake

7.11.1 Contamination 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
observation window (2), replace air filter
(→ Page 90).
2. After installation of new filter, press reset
button (1).
Result: Engaged piston with signal ring moves back
to initial position.
92 | Task Description | M015700/06E 2012-06