September 3, 1991 revised
May 9, 1994
Oil injection systems
All Rotax 2 stroke engines
SkyStar Aircraft, Engineering Department
purpose of this letter is to help you prevent the possibility of oil
starvation with your Rotax 582 LC engine.
In the past we have uncovered some possibilities for oil system
problems, and we are sharing them with you so that you can avoid
sure that your in-line oil filter is of the proper type, and secured
against engine vibration. The
proper filter has 1/4" hose fittings on both sides, while an
older style had a smaller fitting on one side that increased the
likelihood of the hose not being properly secured.
Make sure that the filter is as close to the tank as possible
to minimize the effects of engine vibration.
your initial engine run, and at any point when the oil lines have been
opened for any reason, purge
the air from the oil pump using the air bleed fitting.
If the oil pump receives a bubble of air, it can lose its prime
and stop delivering oil to the engine.
Observe the small oil delivery tubes to be full of oil, and
monitor the level of the oil in the tank to be sure that the engine is
using oil. If
you suspect that the oil system may not be able to immediately
deliver oil to the engine (such as after maintenance),
pre-mix the fuel at a ratio of 100:1 with pre-mix 2-stroke oil
to insure proper engine lubrication.
This is especially important for the initial engine run and
often that the cable actuation system for the oil injection pump is
secure and operating normally. During
pre-flight, make a point to
inspect the entire injection system including the cable, filter, lines
and clamps, and tank level. We
offer as an option an oil filter access door that can be installed in
the top cowling to make pre-flight inspections of the oil system easier.
summary, a well installed and maintained oil injection system will offer
long and trouble free service. Take
the time to attend to the details of the installation that will insure
your engine is properly lubricated.
you have any questions about your installation, don't hesitate to
contact our Customer Service Department at 208-454-1443.