Extra 300/SC - Page 57

MAINTENANCE MANUAL EXTRA 300/SC
CHAPTER 05
PAGE 19
PAGE DATE: 1. August 2014
Inspector:
Mechanic:
Date:
Serial No.:
Inspections
as specified
each 50 hours
each 100 hours
O 3 Check hardware; inspect for corrosion, check whether buck-
les mate properly. Check the buckles for easy opening.
O 4 Check ratchet assembly; inspect for corrosion, loss of plating,
discoloration, slippage and wear; check for ease of operation.
If the harness does not pass the check, it has to be reworked or
replaced. Contact the harness manufacturer in case of doubt.
O 5 Check proper attachment of shoulder harness as per chapter
25-10-03.
Fuel system
O O 1 Inspect the fuel lines for leaks, security, chafing, dents and
cracks. Replace fuel lines as required.
O O 2 Inspect fuel selector valve for operation and proper pointer
indication.
O O 3 Drain fuel system.
O O 4 Check acro- and center tank attachment.
O O 5 Check acro-, center- and both wingtanks for leaks.
O O 6 Check boost pump.
O O 7 Check fuel filler caps for security and proper operation.
O O 8 Check proper seat and condition of sealing lip.
Flight controls
O O 1 Remove wing access panels.
O O 2 Inspect control surfaces for security of attachment, free
movement, dents, delaminations and cracks.
O O 3 Check spades visually for general condition. Inspect spade
support for corrosion, cracks and deformations. Ensure proper
attachment to aileron.
O O 4 Inspect elevator trim system for proper operation and rigging.
O O 5 Inspect hinges for condition, cracks and security; hinge bolts,
hinge bearings, selflocking nuts.
O O 6 Check free play in control system: torque tube, control sur-
faces, control stick, rod end bearing, deflector limiter.
SCHEDULED MAINTENANCE CHECKS
Maintenance Checks Schedule