XtremeAIR XA41, Maintenance Manual

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Maintenance Manual XA41/XA42
AMM-XA42-0040-001 C.00
Page 14 Page date:
Chapter 51 25.09.2018
51-70-15 Painting of Composite Parts
Be careful when you use hardeners and coating materials:
- Do not get hardeners and coating materials on your skin.
- Do not breathe the fumes.
- Make sure that there is sufficient airflow in the work area during and after the
procedure.
- Put on a breathing mask when you use sprays.
- Refer to the manufacturer’s technical notes before you start the work.
Hardeners and coating materials are dangerous materials and can cause damage to health.
1
If necessary, remove the vacuum bagging.
2 If necessary, apply polyester putty to make the repair flat to the adjacent surface.
3 Use sandpaper (only grade 80 or higher) and make the surface rough. To finish the
surface, use grade 150 or higher.
4 Remove dust and unwanted materials from the surface of the repair area.
5 Apply filler, refer to chapter 51-30-05.
6 Make sure that the filler is fully dry. Then prepare the surface with wet sand paper
(grade 400).
7 Clean the surface.
8 Apply paint as given in the manufacturer indications. Refer to chapter 51-30-05.
9 Polish the painted surface.
10 When you repaired a control surface, measure the weight and balance of the control
surface. Refer to chapter 51-60-01.
51-70-20 Repair of Aluminum and Steel Components
To repair aluminum and steel components, obey the standard repair instructions or
the specified repair instructions of a design organization.
51-70-25 Aluminum and Steel Components Refinishing
To refinish aluminum or steel components of the aircraft, it is necessary to remove
the paint from the parts before you apply new paint. This procedure is given in this
section.
WARNING