Mitsubishi Evolution X. Manual — part 12

REPAIR OF SYNTHETIC-RESIN PARTS

TSB Revision

BASE OF BODY REPAIR

9-45

2. RESHAPING OF DAMAGED AREA

CAUTION

The grind surface area should be larger than the resin
putty application area.
Remove burrs on the rear surface reinforcement point, and
grind with a sandpaper #60 to #80, as a surface preparation for
painting. When using a sander #80, grind at a low speed 6000
r/min. For PP, apply PP primer after grinding.

PRIMER : PP PRIMER
BRAND : 3M

™ Automix Polyolefin Adhesion Promoter

5907 or equivalent

.

3. FIXING OF GLASS CLOTH (BACKING)

CAUTION

• After applying the instant adhesive, fix the repair area.
• For PP, apply PP primer.

Apply the adhesive to the glass cloth fixing area of the repair
part in order to adhere the glass cloth.

• TAPE: Glass cloth tape

BRAND: 3M

™ Glass Cloth Tape 6400 or equivalent

• ADHESIVE: Urethane adhesive

BRAND: 3M

™ Duramix Plastic Repair Semi-rigid

4040 or equivalent

.

4. ADHESIVE APPLICATION

Apply a resin adhesive to cover the fixing glass cloth and its
surrounding area. Then smooth it, using a spatula, and dry.

.

5. BASE SURFACE PREPARATION (SURFACE
GRINDING)

Remove burrs on the surface, and grind with a sandpaper #120
to make the repair area surface lower than the surrounding
area. When using a sander #120, grind at a low speed 6000
r/min.

.

AB401317AB

AB401293

AB

AB

AB401312AB

AB401316AE

Background

Old paint layer

AB401316

REPAIR OF SYNTHETIC-RESIN PARTS

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BASE OF BODY REPAIR

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6. ROUGH GRINDING

Grind the base surface area with a sandpaper #80 as a surface
preparation for painting.

.

7. FILLING (PUTTY APPLICATION)

CAUTION

When mixing the two kinds of liquid, be sure that the air is
not mixed in.
1. Using SU Silicone Off, degrease the repair area, and then

remove the wax and oil completely.

2. For scrape, apply putty to the repair area.

• PUTTY: Epoxy resin putty

BRAND: 3M

™ Automix EZ Sond Flexble Parts 5887

or equivalent

• PUTTY: Epoxy resin putty

BRAND: 3M

™ Resin Putty No.1, 8120 or equivalent

NOTE:

.

•

The amount to be applied at a time is approximately 1.5 mm
(0.059 inches). Therefore, recoat it as needed.

•

For tear and scratch, apply putty after sanding the surface.

.

8. SURFACE GRINDING

After drying, grind with a sandpaper #120.

.

AB401315AB

AB401291AB

AB401296AB

AB401297AB

REPAIR OF SYNTHETIC-RESIN PARTS

TSB Revision

BASE OF BODY REPAIR

9-47

9. SURFACE PREPARATION FOR
PRIMER-SURFACER

Grind with a sandpaper #180 to #240. Grind the primer-sur-
facer application area as a surface preparation for painting. In
addition, remove the grind mark.

.

10. CLEANING AND DEGREASING

Using SU Silicone Off, degrease and wipe off completely.

.

11. MASKING

To avoid splashing of primer-surfacer during the coating, apply
masking.

MASKING: Masking paper tape
BRAND: 3M

™ Scotch Block Masking Paper or equiva-

lent

.

12. PRIMER-SURFACER COATING

CAUTION

• If an excessive amount is applied at a time, or

force-dried in a short time, the coating film may crack.

• For color separation, use masking tape.

While taking flash off time, apply 1 to 3 times of double coating,
using a spray gun.

.

13. PRIMER-SURFACER GRINDING

1. Grind the base surface with a sandpaper #240 to #320.

AB401297AB

AB401318AB

AB401298 AB

AB401299AB

REPAIR OF SYNTHETIC-RESIN PARTS

TSB Revision

BASE OF BODY REPAIR

9-48

2. Apply the putty to cover pinholes, grind marks, and slight

distortion. Do not apply an excessive amount at a time.
Repeat application of small amount, taking a drying time.

3. Grind with a sandpaper #240 to #320. If the PP base surface

is exposed, apply PP primer.

PRIMER : PP PRIMER
BRAND : 3M

™ Automix Polyolefin Adhesion Promoter

5907 or equivalent

CAUTION

If an excessive amount is applied at a time, or force-dried
in a short time, the coating film may crack.
4. While taking flash off time, apply 1 to 3 times of double

coating, using a spray gun.

5. Dry sand with a sandpaper #240 to #300 or finer. Then, as a

surface preparation for painting, grind lightly so as not to
expose the base surface. Finally, use a sandpaper #600
(#800 for dark color coating) or finer to remove grind marks.

AB401300AB

AB401299AB

AB401302AB

AB401303AB