Technical data

13773-001
51-30
Page 8 30 Nov 2000
(a) Acquire necessary tools, equipment, and supplies.
(b) Mask off all surfaces that do not require sealer or where sealer is not permitted.
Note: Never sand through existing primer coats. Sand and feather out any small
surface defects in the surfacer coat with 400-grit sandpaper.
(c) If required, lightly sand the surfacer with 400-grit sandpaper. (Refer to the surfacer and
sealer drying time limits specified by the manufacturer)
(d) If required, blow surface clean with compressed air.
(e) Solvent clean the application area with DX 330. (Refer to 20-30)
Note: Wipe surface in one direction only to prevent smearing contaminates. For
maximum results, wipe dry with clean white cloths in one direction only,
while the surface is still wet.
(f) Thoroughly mix sealer in accordance with manufacturer's instructions.
(g) Apply one coat of sealer to the entire surface per the manufacturer's instructions. Refer to
the manufacturer's information for cure time.
(h) Apply top coat (paint). (Refer to 51-30)
E. Paint
To ensure that the temperature of the composite structure is kept below 150°F (65.5°C), use only the
approved materials specified in this section and in the approved materials figure at the beginning of
this chapter. (Refer to 51-00)
WARNING:
Aircraft control surface balance is critical to safe flight. If any paint, body filler,
striping, or other material is added to a control surface, the control must be re-
balanced. Mask flight control hinge bushings and bearings prior to applying sur-
facer or paint.
Description P/N or Spec. Supplier Purpose
Cleaner DX 330 PPG Industries, Inc. Surface prepara-
tion
Sandpaper 400-grit Any Source Abrade bonding
surfaces
Compressed air (contami-
nate free)
- Any Source General repair
Cotton cloth (clean and lint
free)
- Any Source General cleaning
Epoxy Primer/Sealer
Epoxy Primer Catalyst
Fast Epoxy Primer Catalyst
DP 40
DP 401
DP 402
PPG Industries, Inc. Seal surfacer