BRP-Rotax
MAINTENANCE MANUAL LINE
Step
Procedure
12
After full-load run, conduct a short cooling run to prevent formation of va-
pour lock in cylinder heads. This is necessary to prevent steam locks in the
cooling and fuel system after shut-down.
13
Shut engine down.
NOTE
On switching off the engine switch off ignition and withdraw the igni-
tion key.
14
Inspect rotary seal for leakage.
NOTE
Due to the design of the rotary seal, the manufacturer tolerates a
certain amount of leakage. If the leakage is in excess of the limit ro-
tary seal must be renewed.
Tolerated leakage:
For this check the engine must be operated until all temperatures have sta-
bilized for a period of 5 minutes. At that point shut down engine and ensure
the ignition is switched off and engine secured against unintentional opera-
tion. Coolant must not drip through leakage bore, located at the base of the
ignition housing, for a period of 1 minute after the engine has been stopped.
In case this leakage test can not be passed, the rotary seal must be
replaced.
Engine oil and
coolant
m WARNING
Risk of Burns!
Never open the radiator cap when the cooling system is hot. For safety’s sake, cover
cap with a rag and open slowly. Sudden opening of the cap could provoke the escape
of boiling coolant and result in scalding.
Replenish engine oil and coolant as required once engine has cooled down.
Oil filter
ATTENTION
If the oil filter has been replaced, re-tighten by hand after the trial run on a cold
engine.
Check of leaks Inspect the engine for oil, fuel or coolant leaks and repair as necessary.
Effectivity: 912 Series
Rev. 0
12–20–00
Page 13
January 01 2020
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