Extra 300LT - Page 53

CHAPTER 5
PAGE 14
PAGE DATE: 12. June 2015
MAINTENANCE MANUAL EXTRA 300LT
Inspector:
Mechanic:
Date:
Serial No.:
Inspections
as specif
i
ed
eac
h
50 hours
eac
h
100 hours
Engine compartment
Refer to latest edition of Textron Lycoming Operation and
Installation Manual, Maintenance and Overhaul Manual and
SB's, Slick Magneto Maintenance and Overhaul Manual and
SB's.
Ground magneto primary circuit before
working on engine
O O 1 Remove engine cowling as per chapter 71.
O O 2 Inspect cowling and air inlet screen for damage, cracks,
distortion, overheated areas and loose or missing blind nuts
and secure attachment of oil level access plate.
O O 3 Inspect landing light for dirt.
O O 4 After this inspection clean cowling.
5,6 Deleted.
O
1
O
2
O 7 Drain oil sump in accordance with Chapter 12-10-04 “En-
gine Oil Replenishing”
O
1
O O 8 Clean oil suction screen at oil change, check suction screen
for metal particles, shavings, or flakes. Consider Lyc. SB
N° 480 latest issue.
O
1
O O 9 Clean oil pressure screen at oil change, check pressure
screen for metal particles, shavings, or flakes. Consider
Lyc. SB N° 480 latest issue.
O 10 Inspect oil temperature sensor unit for leaks and security.
O O 11 Inspect flexible oil lines, oil return lines and fittings for
leaks, security, chafing, dents, and cracks (ref: FAA AC
43.13-1A). Replace flexible oil lines at engine TBO per
Lyc. SB 240.
O 12 Clean and inspect oil radiator and attachment.
O
3
13 Remove and flush oil radiator.
O O 14 Inspect Christen Inverted Oil System for general condition,
leaks, secure mounting and tight connections.
SCHEDULED MAINTENANCE CHECKS
Maintenance Checks Schedule
D A N G E R
1 each 25 hours
2 a spectrographic oil analysis is recommended at every 50 hours oil change.
3 each 500 hours