Rotax 912 iSc Maintenance Manual page 83

If the oil pressure falls below the minimum value up to max. 0.5 bar
Minimum oil pres-
sure falls below
(50 kPa) and for max. 1 min., the cause must be determined. Table 5.
0.5 bar (50 kPa)
max. 1 min. in
flight
1
2
3
4
5
6
7
8
9
Consequent damage can be expected if the oil pressure falls below the
Minimum oil pres-
sure in flight
minimum value more than 0.5 bar (50 kPa). Table 6.
more then 0.5 bar
(50 kPa)
1
2
3
4
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Oil pressure below minimum permissible oil pressure up to max. 0.5 bar
Step
Inspect all oil lines for restrictions and clear passage.
Verify oil quantity.
Inspect pressure sensor.
Inspect indicating instrument to specifications of the manufacturer, replace
as required.
Inspect crankcase pressure (See Installation Manual 912 i Series, latest is-
sue.)
If no cause for the low oil pressure is found after the above checks, carry out
an oil change.
If after the previous checks and oil change the oil pressure is still too low,
repair or overhaul the engine in accordance with the BRP-Powertrain in-
structions for continued airworthiness.
Inspect all systems for correct functioning.
Carry out detailed inspection of the affected engine components.
When re-installing the oil cooler and oil lines, the com-
NOTICE
WARNUNG
plete lubrication system (inclusive oil tank) must be
flushed.
Oil pressure below minimum permissible value more than 0.5 bar (50 kPa) in
Step
The whole cooling system must be inspected, repaired or overhauled in ac-
cordance with the BRP-Powertrain instructions for continued airworthiness.
- The crankshaft must be replaced.
Carry out detailed inspection of the affected engine components.
Cut oil filter housing and inspect filter mat for foreign matter.
Inspect all further systems for correct functioning.
(50 kPa) max. 1min. in flight
Procedure
flight
Procedure
05-50-00
page 17
January 01/2012