CHAPTER 72
PAGE 3
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
72-00-00 GENERAL
This chapter describes the engine installed in the EXTRA
300LT aircraft, together with its fitted assemblies. Operation
and maintenance work of the engine requires consultation of
the Lycoming Operator`s Manual (refer to chapter 1).
Proper control, operation and troubleshooting of the engine
is also described there.
Troubleshooting
1 Start by discussing the problem with the pilot and the facility
management people to assist you in narrowing down the
causes.
2 Review maintenance logs and use appropriate diagnostic
tools to eliminate simple and inexpensive solutions before
proceeding to more complicated and expensive remedies.
Often a quick visual inspection of the engine will provide
evidence of obvious problems, such as intake and exhaust
leaks, physical damage to ignition harness, blocked
breathers, gas and oil stains, etc.
3 Consult the following Troubleshooting Chart as a diagnostic
guide to the most common and recurring problems, causes,
and solutions. The chart provides this information in a
nonspecific format. Proceed from the simplest possible
cause to the most complex.
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