Inspection Of The Magnetic Plug - Rotax 912 Series Maintenance Manual

5.4)

Inspection of the magnetic plug

See fig. 17/1.
Remove the magnet plug and inspect it for accumulation of chips.
NOTE:
This inspection is important because it allows to draw conclusions on condition
of gearbox and engine and reveals information about possible damage.
Steel chips in low numbers as depicted in fig. 17/1 can be tolerated if the
accumulation is below 3 mm (1/8'').
At vagne findings, flush the lubrication circuit and fit a new oil filter. Afterwards
conduct engine test run and inspect the oil filter once more.
Larger accumulation of chips on the magnetic plug requires repair or overhaul
of the engine in accordance with the ROTAX
thiness.
- Inspect all systems for correct function.
- Detailed inspection of affected engine components.
CAUTION: If the lubrication circuit is contaminated by large accumulation,
Trace the cause and remedy.
Clean the magnetic plug and refit it. Tightening torque 25 Nm (220 in.lb). Safety-
wire the plug.
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL
The magnetic plug (torx screw no. 40, old:allen key A/F 6 mm) is
located on the crankcase between cylinder 2 and gearbox.
replace the oil cooler and flush the lubrication system. Refer to
Chapter 12-00-00, para 5.5.
instructions for continued airwor-
®
fig. 17/1
04388
12-00-00
page 33
Rev. 1, Jan. 01/2002