Leakage Check - Rotax 912 Series Maintenance Manual

AIRCRAFT ENGINES
MAINTENANCE MANUAL
2.2)

Leakage check

If the leakage bore, located at the base of the ignition housing is oily, the oil seal
on the water pump shaft may be defective and must be replaced. In the case of
the presence of coolant at the leakage bore, the coolant mechanical seal must
be replaced.
Inspect fuel lines, their connections and screw fasteners. Look for scuffing
marks. Inspect isolating flange of fuel pump for leaks.
Inspect all engine oil lines for damage, security and elbow restrictions.
Inspect fuel, water lines, their connections and screw plugs for tightness. Check
surrounding area for leaks.
At signs of operating media leaks find the reason and repair as required.
Inspect all hoses, especially in the area of hose clamps and hose connections
for porosity, damages or kinks. If damage is noticed, replace hose immediately.
WARNING: Avoid overstressing of fastening elements and secure till hand
tight.
12-00-00
Effectivity: 912 Series
page 5
Rev. 1, Jan. 01/2002