CHAPTER 28
PAGE 10
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
28-10-04 Wing Tank Inspection Door
Removal/Installation
1 Drain the wing tanks as per chapter 12-10-02.
2 Disconnect the ground bonding leads (2, figure 4) and if
necessary the electrical wiring (1) of the fuel quantity
transducer.
3 Remove the inspection door bolts.
4 Remove the inspection door flange (3).
5 Push the inspection door (4) into the tank, then turn and
remove.
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.
6 Clean the sealing surfaces mechanically and with Acetone.
7 Install in reverse sequence of removal after applying 3M
Brand Fuel Resistant Coating 776 (3M, St. Paul, USA) to
the sealing surfaces (inspection door (4) and tank root rib).
Figure 4 Inspection Door Removal/Installation
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