Extra 300/SC, Maintenance Manual

Page: 158 / 250

CHAPTER 51
PAGE 27
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 12. February 2019
For painting of the repair area proceed like mentioned in
Chapter 51-70-06.
51-70-03 Repair of Laminates
a) Minor damage
Scarf the edges of the minor damage area with sandpaper.
Minimum lenght of scarf per fabric layer approx. 20 mm;
ratio
(laminate thickness : scarf lenght) approx. 1: 50.
Following the scarf procedure, clean the repair area thor-
oughly:
- Remove the sanding dust with a pneumatic vacuum
cleaner
- Clean the scarfed overlaps with carbon-tetrachloride or
acetone in case of dirt or grease was introduced during the
preparation.
N O T I C E Repair area must be free of dirt, dust and grease.
Wet the prepared scarfed areas with resin mixture. Lay on
prelaminated fabric layer in accordance to the layer se-
quence plan. Ensure correct style and direction of fabric.
Apply peel nylon fabric on the last repair fabric layer.
N O T E Lay out the required number and size of fabric pieces
on a piece of colored plastic foil and wet them with
resin mixture. Subsequently position them on the re-
pair area.
I M P O R T A N T Remove the plastic foil after each positioning process.
After the curing process is completed, remove the peel
nylon fabric. The repair area can be sand level with the
surrounding area.
N O T I C E Sand only the edge thickness of repair laminate!
REPAIRS