Mazda CX-7 2011 - Page 134

BODY STRUCTURE [PLASTIC BODY PARTS]
09-80E–4
PROCEDURE[PLASTIC BODY PARTS]
id09801 1600300
Repair of polypropylene bumpers having damage that has reached the surface of the polypropylene and are too
serious to be restored by painting only.
1. Cut the rough edges around the damage with a knife to make it smooth. Sand the area with a sander to make
an angle of about 45°.
Hole
A
A
A-A Section
Crack
B
B
C
C
Flaw
D
D
B-B,
C-C
Section
D-D Section
Top coat layer
Primer layer
Primer surface layer
Polypropylene layer
4
4
3
3
1
1
2
2
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A-A, B-B, C-C Section
Cut with knife
Polypropylene surface
D-D Section
Cut with knife
Sand
Sand
Angle necessary for deposit of polypropylene welding rog
45°
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