Technical data

13773-001
28-10
Page 6 30 Nov 2000
(a) Acquire necessary tools, equipment, and supplies.
(b) Ground the airplane exhaust outlet pipe to the earth and a suitable fuel drainage con-
tainer.
(c) Disconnect the battery. (Refer to 24-30)
(d) Drain fuel tank. (Refer to 12-10)
(e) Remove appropriate wing access panel (LW10, RW10, LW11, or RW11). (Refer to 6-00)
(f) Place the inert gas supply hose into the fuel tank. Allow gas to flow into the tank until no
fuel vapor remains.
(g) In accordance with the manufactures instructions, verify no fuel vapors exist with the
usage of the fuel vapor detector.
(h) Solvent clean the area to be repaired with acetone. (Refer to 20-30)
Note: Always prepare and seal an area larger than the initial repair area.
(i) Lightly sand the composite areas to be sealed with 200-grit sandpaper. Sand an area
larger than the initial repair area.
CAUTION: Use caution not to sand through resin coat exposing fibres. Sanding
through the resin coat and exposing fibers will be cause for composite
repair.
(j) Remove all large contaminates using a stiff bristle brush.
(k) Solvent clean all surfaces to be sealed with acetone or isopropyl alcohol. (Refer to 20-30)
Item P/N or Spec. Supplier Purpose
Methyl Ethyl Ketone
(MEK)
ASTM D740
Type 1or 2
Any Source General cleaning
Non-structural Resin
Repair System
Shell EPON
862/heloxy 68
& Teta 3234
resin system
Type 2 Class 1
Shell Oil Seal pinholes that are
away from bondlines,
joints or seams
Gloves - Any Source Protect hands
Cotton cloth (clean and
lint free)
- Any Source General cleaning
Application Brush (nylon) - Any Source Tank repair
Compressed Air (clean,
oil and moisture free)
- Any Source General cleaning
Argon or CO
2 gas - Any Source Eliminate fuel vapors
Vapor Detector 18995T57 McMaster-Carr Detect fuel vapor
Sealant Gun - Any Source Apply sealant
Sandpaper - Aluminum
Oxide
200 grit Any Source Prepare surface