CHAPTER 28
PAGE 12
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
2 Completely drain the center tank as per chapter 12.
3 Loosen the lower hose clip.
4 Remove the filler neck.
5 Install in reverse sequence of removal.
28-10-07 Wing Tank Filler Neck
Removal/Installation
1 Completely drain the wing tanks as per chapter 12.
2 Remove wing tank inspection door as per chapter 28-11-
04.
3 Unscrew filler neck lock ring (4, figure 6) with sealing lip
(5) using a tool as shown in figure 6.
4 Remove filler neck (3) with filler cap (1) and O-ring (2).
W A R N I N G Stripping solvents can be toxic and volatile. Use only
in well ventilated areas. Avoid physical contact with
solvent and do not inhale vapors. Keep solvent
containers covered when not in use.
5 Clean all sealing surfaces with Acetone.
6 Install in reverse sequence of removal after applying 3M
Brand Fuel Resistant Coating 776 (3M, St. Paul, USA) to
the sealing surfaces (wing/filler neck).
28-10-08 Filler Neck Sealing Lip
Replacement
1 Carefully drill out the body-bound rivets (7, figure 6).