MAINTENANCE MANUAL
SAVANNAH S
Doc. No.:
MM-SVNH-EN
Revision:
07
Rev. Date:
07/11/2022
Proj. Ref.:
SVNH S
A/C:
Savannah S
Applies to Generic Serial Number:
yy-mm-54-xxxx
Page:
109/132
DOC
FMM00
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Unscrew the oil filter and inspect it according to the dedicated procedure of the manufacturer
Manual;
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Install a new oil filter according to the dedicated procedure, with oil filled inside and tightening
to 3/4 turn after touching the gasket. Mark the filter position with red cross-check glue;
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Unscrew the magnetic plug and inspect it for accumulation of chips, acceptable if smaller
than 3 [mm], following the dedicated procedure of the manufacturer Manual;
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Install the magnetic plug after cleaning and tight at 25 [Nm]. Perform the safety wiring of the
screw;
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Verify all the system in complete and all hoses, connections are properly closed and safe;
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Add new oil in the oil tank, approximately 3 [lt] to reach maximum level;
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Verify the oil level newly by means of oil dipstick;
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Close the oil cup;
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Switch on the engine and warm up to 50 or 70 [°C];
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Shut off the engine and check magnetos and master are off;
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Open the engine upper cowling and let cool down the engine just a couple of minutes;
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Rotate the propeller up to the oil tank is gurgling and verify newly the oil level,
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If required, replenish the oil up to the proper level (middle between min and max is the
optimum). From min to max level of dipstick is approximately 0.5 [lt].
7.9. Coolant level verification
CAUTION
The complete instruction for this verification is described in the approved
manufacturer manual of the engine installed. The Maintenance Manual
can be downloaded in the technical documentation section of the Rotax
website www.flyrotax.com . The following checklist is just a brief resume
N°
Action
01.01
Verify the engine is cold
01.02
Open the coolant expansion tank cup
01.03
Verify presence of the coolant minimum up to the side transparent indication (dot mark)
01.04
Close the coolant expansion tank cup
01.05
Verify presence of coolant in the overflow bottle minimum up to half of the bottle
Table 39: Coolant level
7.10. Coolant change
According to the Rotax engine manufacturer approved Maintenance Manual for 912ULS installed
model, the following procedure must be followed to drain and change the engine coolant:
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Open the expansion tank cup;
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Remove the bottom attachment screw (with sealing washer) of the water pump;