Extra 300/SC - Page 52

MAINTENANCE MANUAL EXTRA 300/SC
CHAPTER 05
PAGE 14
PAGE DATE: 1. August 2014
Inspector:
Mechanic:
Date:
Serial No.:
Inspections
as specified
each 50 hours
each 100 hours
SCHEDULED MAINTENANCE CHECKS
Maintenance Checks Schedule
1 each 25 hours
2 a spectrographic oil analysis is recommended at every 50 hours oil change.
3 at engine TBO per Lycoming SB 240
4 each 500 hours
Engine compartment
(Refer to latest edition of Textron Lycoming Operator´s and
Maintenance Manual and SB's, and Slick Magneto Mainte-
nance and Overhaul Manual and SB's.)
D A N G E R 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, distor-
tion, overheated areas and loose or missing blind nuts and
secure attachment of oil level access plate.
O O 3 After this inspection clean cowling.
O
1
O
2
O 4 Drain oil sump in accordance with Chapter 12-10-04 “Engine
Oil Replenishing”
O
1
O O 5 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 6 Clean oil pressure screen at oil change, check pressure screen
for metal particles, shavings, or flakes. Consider Lyc. SB N°
480 latest issue.
O 7 Inspect oil temperature sensor unit for leaks and security.
O O 8 Inspect flexible oil lines, oil return lines and fittings for leaks,
security, chafing, dents, and cracks (ref: FAA AC 43.13-1A).
O
3
9 Replace flexible oil lines.
O 10 Clean and inspect oil radiator and attachment.
O
4
11 Remove and flush oil radiator.
O O 12 Inspect Christen Inverted Oil System for general condition,
leaks, secure mounting and tight connections.