CHAPTER 5
PAGE 20
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
Fuel system
O O 22 Inspect the fuel lines for leaks, security, chafing, dents and
cracks. Replace fuel lines as required.
O O 23 Inspect fuel selector valve for operation and proper pointer
indication. Check integrity as per chapter 28-20-01.
O O 24 Drain fuel system.
O O 25 Check acro- and center tank attachments.
O O 26 Check acro-, center- and both wingtanks for leaks.
O O 27 Check boost pump.
O O 28 Check fuel filler caps and 'O'-rings for security and proper
operation.
O O 29 Check proper seat and condition of fuel filler 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, hinge bolts, hinge bearings and selflocking
nuts for condition, cracks and security.
O O 6 Visual inspect bonding braid across the hinges for general
condition.
O O 7 Check free play in control system: torque tube, control
surfaces, control sticks, rod end bearings and travel stops.
O
1
O O 8 Lubricate rear torque tube bearing.
O O 9 Lubricate trim flap hinges and trim actuation lever bolts.
Inspector:
Mechanic:
Date:
Serial No.:
Inspections
as specif
i
ed
eac
h
50 hours
eac
h
100 hours
SCHEDULED MAINTENANCE CHECKS
Maintenance Checks Schedule
1 each 25 hours