15)Flashing Of The Red Boost Lamp Of Turbo Control Unit (Tcu) - Rotax 914 F Maintenance Manual

12.4.15)Flashing of the red boost lamp of Turbo Control Unit (TCU)

Flashing of the red boost lamp signals exceeding of the 5 minute time limit for
take-off performance. Depending on the time the 5 minute limit is exceeded,
increased wear by thermal overstressing of cylinder, valves and spark plugs
has to be considered.
The following checks are necessary:
If no physical damage can be detected, check the TCU. Consult chapter
13.6).
Exceeding time limit up to 1 minute:
No direct checks are necessary as long as no further operating limits are
exceeded.
Exceeding time limit between 1 to 3 minutes:
Exceeding time limit by more than 3 minutes:
Examination of the pistons, cylinders, valves and cylinder heads is neces-
sary.
Modification no.
- 0 -
check wiring. See chapter 12.3.16)
ATTENTION: If further operating limits were exceeded or fell short of
conduct the additional relevant checks.
Inspection of engine. See chapter 12.3.2).
Check of the spark plugs. See chapter 12.3.18).
Check compression. See chapter 12.3.20).
ATTENTION: If further operating limits were exceeded or fell short of
conduct the additional relevant checks.
ATTENTION: If further operating limits were exceeded or fell short of
conduct the additional relevant checks.
Reference Main Date
914 F 1997 02 01
Page
121