Rotax 914 series Maintenance Manual page 87

3.13) Red boost lamp of the boost pressure control lights up continu-
ously
General note
When the red boost lamp lights up, this indicates that the nominal pres-
Red boost lamp
lights up
sure in the airbox has been exceeded.
Depending on how long the limit is exceeded, increased wear as a result
of thermal overload can be expected at cylinders, valves and spark plugs.
Checks
The following checks must be carried out:
1
2
No immediate checks are necessary as long as no further operating lim-
its have been exceeded.
1
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Danger of serious injury!
WARNING WARNUNG
The engine must not be put into operation until the
cause has been ascertained and the fault remedied.
If values have fallen below or exceeded further operat-
NOTICE
WARNUNG
ing limits, the corresponding checks must be also be
carried out.
Red boost lamp lights up continuously
Limit exceeded for up to 1 min.
Step
Visual inspection of the engine, in particular
- Turbocharger
- Air intake system
Check wiring. See 12-20-00 section: 16.1).
NOTE:
Red boost lamp lights up continuously
If the value was exceeded for more than 1 min.
Step
Inspection of the
- Pistons
- Cylinders
- Valves
- Cylinder heads
is necessary.
Procedure
If no mechanical damage is detected during the visual
inspection, check the boost pressure control.
See chap. 76-00-00 of the Heavy Maintenance Manual
Procedure
05-50-00
page 23
January 01/2010