A
A
I
I
R
R
P
P
L
L
A
A
N
N
E
E
T
T
E
E
C
C
H
H
N
N
I
I
C
C
A
A
L
L
D
D
E
E
S
S
C
C
R
R
I
I
P
P
T
T
I
I
O
O
N
N
,
,
O
O
P
P
E
E
R
R
A
A
T
T
I
I
N
N
G
G
,
,
M
M
A
A
I
I
N
N
T
T
E
E
N
N
A
A
N
N
C
C
E
E
A
A
N
N
D
D
R
R
E
E
P
P
A
A
I
I
R
R
M
M
A
A
N
N
U
U
A
A
L
L
5-8
Document No.:
EV97SLNOEN
Date of Issue:
02/2008
Revision:
-
Grinding
Carry out grinding and evetually apply mastick on the surface after setting, eventually tearing off
the folie (see small damage). It is suitable to begin grinding by abrasive with grain size of 160 and
finish by grain size of at least 400. Dry grinding equipment is used with suction from the grinding
area. Al2O3 can be used as grinding material. It is important not to diminish basic material of the
part at grinding.
NOTE
Especialy in case of C/K stiffener in the basic part there must not be any grinding through up to the
stiffener (complication -see the note about preparatory grinding).
Finishing
See para 5.6- Paint repairs.
5.5.3.3 Big damage
At such damage we recommend to change the part or to do this repair in a professional facility.
Use instructions in chapter about medium damage as recommendation for used materials.
5.5.4 Structural parts
With these parts we do not recommend to do othe repairs than small damage repairs. In case of
the other damage we recommend to contact manufacturer.
CAUTION
When repairing, it is necessary to pay attention to timelyrepair (see the text about low of properties
at humidity effect at the begining of paragraph 5.5.1)!
Small damage
Repairs are made according to instructions with appearance parts.
CAUTION
When repairing, it is necessary to carefully pay attention not to damage the stiffeners!