Transcript 3M Plastic Repair System

3M Plastic Repair System –
Back Side/Front Side Repair
Backside/Front Side Repair
• Any time you are dealing with a cosmetic or
structural repair on plastic bumper covers
regardless of tears, rips or puctures, use the
following 3M procedures..
Cleaning Step
1. Use soapy water and Scotch-Brite™ Hand
Pad P.N. 07447 to clean dirt & road film
on the front side, then the backside.
2. Use 3M™ General Purpose Adhesive
Cleaner P.N. 08987 to remove solventbased grime, asphalt, etc. from the
backside.
3. Adhesive cleaner helps to evaporate the
water from the repair area.
Heating The Bumper
•
•
•
•
Contour lines often do not match.
Heat the bumper to re-align the pieces.
Use the contour lines as a guide.
Quench with paper towel soaked with cold
water.
V-Grind To Open Up The Crack
1. Use countersink die grinder bit to accomplish Vgrind on front side then back side.
2. Note: if you drill a hole at the end of the crack to
stop spreading, remember to dish it out.
3. Rough up repair area with grade 50 3M™
Roloc™ Disc P.N. 01396 on backside.
Taping the Front Side
• Use Scotch® Auto Body Repair Tape P.N.
06930
• Keeps panels from moving.
• Keep tape a little loose. Press down on the
edges.
• Keeps adhesive from oozing all over.
• Allows for more effective cure of adhesive
from the backside.
Move To The Backside
• Rough up the repair area with grade 80 3M(TM)
Imperial(TM) Hookit(TM) II Disc 00683 .
• Apply 3M™ Polyolefin Adhesion Promoter P.N.
05907. 1 or 2 passes.
• Wait 5 minutes to flash.
• Use Duramix™ Plastic Repair Semi-Rigid P.N.
04240.
• Use Duramix™ Reinforcement Patch P.N. 04904.
Equalizing The Cartridge
•
•
•
•
Do not remove metal clip.
Unscrew cap.
Insert cartridge into MixPac® Applicator
Eject material so that both A & B are mixing
equally. Wipe clean.
• Attach static mix nozzle.
• Replace retaining nut.
• Discard first pump.
Spreading the adhesive
• Pre-cut the reinforcement patch before you
spread the adhesive.
• Apply tight coat of adhesive to repair area.
• Press reinforcement patch into adhesive.
• Spread additional adhesive into patch.
Insurance strip
• Cut a piece of the reinforcement patch and
place it on the edge of the repair.
• Adds additional reinforcement along the
edge of the bumper.
Cosmetic Repair
• Remove tape
• You can see the back side tied to the front
side.
Sand Front Side Area
1. Sand area with grade 80 3M™ Imperial™
Hookit™ II Disc P.N. 00683.
2. Sand down the squeeze out.
3. Remove grade 80 scratches with grade 180
3M™ Imperial™ Hookit™ II Disc P.N. 00679.
4. Blow off the repair area.
5. Use Adhesion promoter , let sit for 5 minutes,
Equalizing The Cartridge
•
•
•
•
Do not remove metal clip.
Unscrew cap.
Insert cartridge into MixPac® Applicator
Eject material so that both A & B are
mixing equally. Wipe clean.
• Attach static mix nozzel.
• Replace retaining nut.
• Discard first pump.
Using 3M™ Automix™ EZ Sand Flexible
Parts Repair P.N. 05887
•
Apply tight coat by forcing the adhesive
into the repair area.
•
Continue building up the adhesive just
slightly higher than the bumper.
•
Spread from paint to paint
Checking To See If The Material Has
Cured
• Wait 15 minutes
• Nick in middle of repair with your
fingernail to see a white mark – Then you
know the adhesive has cured properly.
Sanding 3M™ Automix™ EZ Sand Flexible
Parts Repair P.N. 05887
• Sand filler material with grade 80 3M™
Imperial™ Hookit™ II Disc P.N. 00683.
• Remove grade 80 scratches with grade 180
3M™ Imperial™ Hookit™ II Disc P.N.
00679.
• Feather well into the clear with grade 320
3M™ Imperial™ Hookit™ II Disc P.N.
00675.
Finishing The Job
• Blow repair area clean.
• Apply 3M™ Polyolefin Adhesion Promoter
P.N. 05907.
• Ready for priming & painting.