Volkswagen Golf Service & Repair Manual: Aqua Premium system, blending system for 3-stage colours
| Product description/objectives |
| To attain visually perfect colour transition in blending
area or to adjacent parts such as wings or doors. |
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Prime plastic surfaces with transparent adhesion promoter
-ALO 822 000 10-, and then fill with elasticised 2-pack HS
surfacer (2-pack primer surfacer for plastics -LKF 696 009
A2-/-LKF 696 040 A2-). |
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Thoroughly clean factory paint, old paint or 2-pack HS
surfacer with silicone remover -LVM 020 000 A5- or slow-drying
silicone remover -LVM 020 100 A5-. |
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Dry-sand repair area using P500/P600-grade sandpaper, or
wet-sand it using water-proof P800/P1000-grade sandpaper. |
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An extensive section of the adjacent area or (parts
surrounding the repair area) must be lightly wet-sanded with
P1000 to P3000-grade sandpaper. |
 Note
| Use an emery pad to sand swage lines, edges or door-handle
recesses during preparation work. |
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Thoroughly clean the whole surface with silicone remover
-LVM 020 000 A5- to remove any dust, paint residue from sanding
or any other impurities. |
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Wipe off any excess silicone remover with a lint-free cloth,
leaving no streaks. |
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Allow the moisture on substrates which have been wet-sanded
or cleaned to evaporate completely. |
| Tack cloths of the latest generation with an effective
adhesion formula, e.g. duster -VAS 6177-) to minimise the risk
of chemical or sticky residue
→ Chapter „Tack cloth -VAS 6177-“. |
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Isolate any bare metal surfaces using 2-pack wash primer
-LHV 043 000 A2-, and then apply 2-pack HS Performance surfacer. |
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It is strongly recommended to spray a sample object. |
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| Blending in 3-stage colours: |
| Preparing the blending additive: |
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Mix blending additive for Aqua Premium -LVM 035 100 A3- with
10% Aqua Premium hardener -LVM 045 000 A1-. |
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| Repair process, blending into adjacent surfaces (e.g.
colour-matching between wing and door) |
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In the blending area, apply one or two full coats of
blending additive for Aqua Premium -LVM 035 100 A3--2-
at normal spraying pressure onto the old paint/surfaced
substrate -1-. |
Note
| Ensure that the blending area is large enough. |
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Apply the base coat -2- mixed
with 5% Aqua premium hardener -LVM 045 000 A1- and, for solid
colours 10% additive for Aqua premium -LVM 035 301 A3-, or for
effect colours mixed with 20% additive for Aqua premium -LVM 035
301 A3- to the repair area and adjacent blending area until
coverage is opaque. |
| – |
The fade-out area should be located within the wet blending
additive for Aqua Premium -LVM 035 100 A3--1-. |
Note
| In the event of large surfaces, high temperatures and a low
humidity up to 10% of Aquaplus demineralised water -LVW 010 000
A5- may be added. |
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Effect colour, 45-60 minutes at +20°C |
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Solid colours: 90-120 minutes at +20°C |
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Flash-off with an air diffuser at +20°C to +40°C until the
entire surface is matt. |
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Allow to flash-off initially for 5 to 10 minutes, and then
allow final flash-off at +60 to +65°C. Allow base coat to cool
before applying effect coat. |
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Flash-off without air diffuser until the entire surface is
matt. |
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When the entire surface is matt, apply one or two full coats
of pure blending additive for Aqua Premium -LVM 035 100 A3--1-
without hardener. |
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| Preparing the effect colour: |
| – |
The effect colour is mixed with 20% of additive for Aqua
premium -LVM 035 301 A3-. |
Note
| In the event of large surfaces, high temperatures and a low
humidity up to 10% of Aquaplus demineralised water -LVW 010 000
A5- may be added. |
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| Step 1, blending in the effect colour (from the outside
towards the inside) |
| – |
The effect colour is applied from the fade-out area towards
the new part -1-. I.e., it is
applied from the outside towards the inside (»wet
in wet«) into the blending additive for Aqua Premium -LVM
035 100 A3-. |
| – |
Then, the next effect colour coat is applied towards the new
part as necessary. |
Note
| For some effect colours, 2 to 3 additional spray passes
must be applied to visually match up the effect. |
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| Step 2, blending in the effect colour (from the outside
towards the inside) |
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| Step 3, blending in the effect colour (from the outside
towards the inside) |
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After flashing-off, apply a coat of 2-pack HS clear coat
-1- to the entire repair area. |
Note
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It is recommended that starting with the first spray pass,
all subsequent spray passes are already matched to the repair
area/base coat, starting from the furthest blending area. I. e.,
all subsequent spray passes remain within the previous spray
pass to avoid visible edges or shadows. |
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Keep the material flow trigger of the spray gun completely
open while applying Aqua Premium waterborne base coat. |
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The spray pressure for the effect coat may be varied between
1.5 and 2.0 bar depending on the size of the object. |
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For information on the drying times, refer to the technical
data sheet for the relevant product. |
| Notes for application on large surfaces: |
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In general, the additive for Aqua premium -LVM 035 301 A3-
should always be used when applying 3-stage colours. |
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In the event of large surfaces, high temperatures and a low
humidity it is recommended to add up to 10% of Aquaplus
demineralised water -LVW 010 000 A5-. |
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The use of stationary air diffusers or force drying, e.g.
low baking, for efficient flash-off and drying processes is
recommended. |
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The spray equipment must be suitable for water-based
products. Pay attention to the manufacturer's specifications. |
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The Aqua Premium mixture paint can be used only as part of a
colour formula. |
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If any mixing colour is applied alone, the results may
differ substantially from the description in this technical data
sheet. |
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Rinse with Aquaplus demineralised water -LVW 010 000 A5-
before and after use. Then wash out with nitrocellulose thinner
-LVE 856 000 A3-. |
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Collect liquid water-based waste separately from
conventional liquid waste. If the two are mixed, it may be
impossible to dispose of the mixture, or at best difficult, and
therefore expensive. |
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| Personal protective equipment: |
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Adhere to the safety data sheet. |
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Wear personal protective equipment during application. |
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Issued 04.2013
Product description/objectives
To attain visually perfect colour transition in blending
area or to adjacent par ...
Issue 05.14
To be able to execute fault-free design and multi-colour
paintwork with Aquaplus non-metallic, metallic and pearl effect
base paint ...
Other materials:
Emptying fuel tank if it is less than 3/4
full
Special tools and workshop equipment required
Removal wedge -3409-
Wrench -T10202-
Torque wrench -V.A.G 1332-
Fuel extractor -VAS 5190-
Fuel extractor -VAS 5190 A- for E 85 fuel (not shown).
&nb ...
Connectors
Repairs to wiring harnesses and
connectors
Note
All instructions and notes regarding this chapter are
available under
→ Electrical System, General Information; Rep. gr.97.
...
Opening and closing the bonnet
Fig. 190 In the footwell on the driver
side: lever for releasing the bonnet
Fig. 191 Release lever for opening the
bonnet above the radiator grille
First read and observe the introductory information
and safety warnings Opening the bonnet
Ensure that the windscreen wiper arms are pos ...
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Aqua Premium system, blending system for 2-stage colours
Aquaplus design and multi-colour painting