1)Venting (Purging Or Priming) Of Turbocharger Lubrication System - Rotax 914 series Installation Manual

- Un-block the oil return port on (5) the oil tank and reconnect the engine return oil line
(2) to the oil return port on the oil tank.
■ CAUTION:
- Replace spark plugs and restore aircraft to original operation condition.
- Residual oil will have accumulated in the crankcase, return it to the oil tank by
following the oil check procedures in Operators Manual (or SI-27-1997 Oil level
check for ROTAX engine type 912 and 914 (Series), current issue).
- Add oil to engine oil tank to bring the oil level up to the full mark on the dipstick.
▲ WARNING: Carefully check all lubrication system connections, lines and clamps

13.10.1)Venting (purging or priming) of turbocharger lubrication system

- Restore aircraft to original operating configuration.
Effectivity: 914 Series
Edition 2 / Rev. 0
INSTALLATION MANUAL
Ensure that the oil suction line (1) and engine oil return lines (2) are
connected to the proper fittings on the oil tank. If the oil lines from the
engine to the oil tank are incorrectly connected at the oil tank, severe
engine damage may result.
for leaks and security.
▲ WARNING: Observe the appropriate safety precautions. Make sure that
there are no foreign items including tools in the engine
compartment. Secure aircraft to the ground appropriately and
place chocks under the wheels. Secure propeller zone to
warrant safety for persons and property. Be sure to approach
only from engine side of propeller. Permanently supervise
engine operation from a secure position. The cockpit must be
occupied during the testing by a licensed pilot or an authorized
person to conduct test runs of an aircraft.
To verify operation of the turbo charger oil circuit detach the turbo sump oil
return line (7) on the oil tank (banjo bolt M10x1x19) and route the line to a
separate container. Start the engine in accordance to the relevant Operators
Manual and observe if oil is being returned back.
If oil is not flowing back within 10 sec. stop the engine immediately and find the
trouble. Repeat previous steps until proper oil flow is observed.The engine
must not be started before rectification.
Fit the turbo sump oil return line (7) on oil tank and tighten to 15 Nm
(133 in.lb).
BRP-Rotax
page 77
July 01/2008