7.10 Air Intake
7.10.1 Emergency air-shutoff flaps – Functional check with electric actuation
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
• Before barring or starting the engine, make sure that nobody is in the danger zone.
WARNING
Air flaps close abruptly.
Risk of injury!
• Before actuating, ensure that nobody is in the danger zone.
WARNING
Engine noise above 85 dB (A).
Risk of damage to hearing!
• Wear ear protectors.
Note:
In order not to compromise the engine, reduce the overspeed limit value for the functional check.
Emergency air-shutoff flaps –
Functional check with electric
actuation
1.
Start engine (→ Page 35).
2.
Activate the appropriate function to trigger
emergency air-shutoff flaps (depending on
installation), e.g. by carrying out an over‐
speed test at a reduced overspeed value.
Check the following items:
• The emergency air-shutoff flaps must
close as soon as the set point is
reached.
• Emergency engine stop must be initiat‐
ed.
3.
Open the emergency air-shutoff flaps man‐
ually after completion of test so that the lev‐
ers (1) are in position A.
4.
Note fault messages.
140 | Task Description | MS150096/01E 2012-08
TIM-ID: 0000018646 - 004
