DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE:
CHAPTERPAGE 715
MAINTENANCE MANUAL STEMME S12
7.4.1.3 CLEANING OF THE ENGINE
See Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914 Series,
section 12-20-00, subsection, (Annex E).
7.4.1.4 VISUAL CHECK OF ENGINE
Special attention must be paid to the condition and the proper attachment of the two metal oil
lines between turbocharger and oil pump. In particular check the condition of the brazed joints
between the pipe and its ttings (check for cracks).
Further information see Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914
Series, section 12-20-00, (Annex E).
7.4.1.5 LEAKAGE CHECK
Special attention during the leakage check must be paid to the brazed ttings of the two metal
oil lines between turbocharger and oil pump.
Further information see Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914
Series, section 12-20-00, (Annex E).
7.4.1.6 INSPECTION OF EXTERNAL ENGINE COMPONENTS
See Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914 Series,
section 12-20-00, (Annex E).
7.4.1.7 CHECK OF WASTEGATE
Deviating from the gures in the ROTAX manual the waste-gate control of the ROTAX 914 F2/S1 has
been modied according to the following gure 7.4.1.7a. The servo cable and the spring are now
attached to an additional swiveling lever (1), which is mounted on the original lever of the waste-gate.
Information provided by the Maintenance Manual (Line Maintenance) for ROTAX Engine Type
914 Series will remain valid in an analogous sense.
Spare parts for the modied waste-gate-control can only be supplied by STEMME.
a) Check the components
In particular make sure that the whole waste-gate-control (cable, waste-gate including the
swiveling lever (1)) moves smoothly and easily.
Further information see Maintenance Manual (Heavy Maintenance) for ROTAX Engine Types 912
and 914 Series, section 78-00-00, (Annex E).
b) Check the waste-gate position
See Maintenance Manual (Line Maintenance) for ROTAX Engine Type 914 Series,
section 12-20-00, (Annex E).
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