Subaru LEGACY 2004 Service Manual page 560

EXTERIOR/INTERIOR TRIM
C: REPAIR
1. COATING METHOD FOR PP BUMPER
Process
Process name
No.
1 Bumper installation
2 Masking
Degreasing, clean-
3
ing
4 Primer paint
5 Drying
6 Top coat paint (I)
7 Drying
8 Top coat paint (II)
9 Drying
10 Inspection
11 Masking removal
Front Bumper
Place the bumper on a paint worktable as
required. Use the paint worktable conforming
to inner shape of bumper when possible.
Mask specified part (black base) with masking tape. Use masking tape for PP (example,
Nichiban No. 533, etc.).
Clean all parts to be painted with white gasoline, normal alcohol, etc. to remove dirt, oil, fat, etc.
Apply primer to all parts to be painted, using spray gun. Use primer (clear).
Dry at normal temperature [10 — 15 min. at 20"C (68"F)].
In half-dried condition, PP primer paint is dissolved by solvent, e.g. thinner, etc.
Therefore, if dust or dirt must be removed, use ordinary alcohol, etc.
Non-colored
Use section (block) paint for top coat.
• Paint to be used (for each color):
Solid paint
Hardener PB
Thinner T-301
• Mixing ratio:
Main agent vs. hardener = 4:1
• Viscosity: 10 — 13 sec./20"C (68"F)
• Film thickness: 35 — 45 #
• Spraying pressure: 245 — 343 kPa
2
(2.5 — 3.5 kg/cm , 36 — 50 psi)
Not required.
Not required.
60"C (140"F), 60 min. or 80"C (176"F), 30 min.
If higher than 80"C (176"F), PP may be deformed. Keep maximum temperature at 80"C (176"F).
Paint check.
Remove masking tape applied in process No. 2.
EI-32
Job contents
(1)
(2)
(1) Bumper
(2) Set bumper section
Metallic paint
Use section (block) paint for top coat.
• Paint to be used (for each color):
Metallic paint
Hardener PB
Thinner T-306
• Mixing ratio:
Main agent vs. hardener = 10:1
• Viscosity: 10 — 13 sec./20"C (68"F)
• Film thickness: 15 — 20 #
• Spraying pressure: 245 — 343 kPa
2
(2.5 — 3.5 kg/cm , 36 — 50 psi)
Dry at normal temperature [more than 10 min.
at 20"C (68"F)].
In half-dried condition, avoid dust, dirt.
Apply a clear coat to parts with top coat paint
(I), three times, at 5 — 7 minutes intervals.
• Paint to be used:
Metallic paint
Hardener PB
Thinner T-301
• Mixing ratio:
Clear coat vs. hardener = 6:1
• Viscosity: 14 — 16 sec./20"C (68"F)
• Film thickness: 25 — 30 #
• Spraying pressure: 245 — 343 kPa
2
(2.5 — 3.5 kg/cm , 36 — 50 psi)
EI-00234