Subaru Impreza 2002 Service Manual page 3637

EXTERIOR/INTERIOR TRIM
C: REPAIR
1. COATING METHOD FOR PP BUMPER
Pro-
cess Process name
No.
1 Bumper mounting
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
Set the bumper on paint worktable if required.
Use 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 one to all parts to be painted, using air gun. Use primer (clear).
Dry at normal temperature [10 to 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.
Solid color
Use section (block) paint for top coat.
• Paint in use (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 — 45µ
• 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 of 80°C (176°F).
Paint check.
Remove the masking in process No. 2.
Job contents
Use section (block) paint for top coat.
• Paint in use (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 — 20µ
• Spraying pressure: 245 — 343 kPa
(2.5 — 3.5 kg/cm
Dry at normal temperature [10 min. or more 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 in use:
Metallic paint
Hardener PB
Thinner T-301
• Mixing ratio: Clear vs. hardener = 6:1
• Viscosity: 14 — 16 sec/20°C (68°F)
• Film thickness: 25 — 30µ
• Spraying pressure: 245 — 343 kPa
(2.5 — 3.5 kg/cm
EI-24
G5M0164
Metallic color
2
, 36 — 50 psi)
2
, 36 — 50 psi)