Extra 300LT, Maintenance Manual

Page: 46 / 551

CHAPTER 5
PAGE 7
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
05-20-00 SCHEDULED MAINTENANCE CHECKS
05-20-01 General
Scheduled maintenance checks or tasks must be carried out
at 25, 50, 100, 200, 300, 400, 500 and 1000 hour intervals.
In addition an annual inspection equal to the 100 hour
inspection has to be performed.
The following pages show a drain hole chart (figure 1) and
lubrication charts (figures 2 - 4) which can be used in
connection with the checklists.
05-20-02 25 Hour Inspection - Engine
A 25 hour inspection is necessary for the engine, because the
engine is not equipped with an external oil filter. Therefore
the engine oil has to be changed and the oil screen cleaned
after every 25 hours. Refer to figure 2 "Lubrication Chart 25
hours".
05-20-03 25 Hour Inspection - Aircraft
After the first 25 hours, a check equal to the 100-hour
maintenance check has to be performed. Refer to chapter
05-20-04.