Section 08 BODY / FRAME
Sub-Section 02 (BODY)
08-02-4
MATERIAL REPAIR PROCEDURE
R.I.M. polyurethane is light colored (tan) on the in-
side with a smooth surface.
WARNING : Material should be repaired
and repainted in a well ventilated area
only.
CAUTION : Clean R.I.M. with isopropyl al-
cohol or Crest Hi-Solv product.
Never
use
cleaners or products that contain
chlorine
.
CAUTION : R.I.M. should never be ex-
posed to temperatures exceeding 93°C
(200°F).
NOTE :
When working on a R.I.M. surface,
never use a grinder or a high revolution tool
such as an air or electric buffer. Use of such tools
could overheat material and liberate agents in it
thus causing a bad adhesion.
REPAIR PROCEDURE FOR R.I.M.
POLYURETHANE
Small Scratches
– Sand and scuff area.
– Feather out edges.
– Paint with a matching acrylic auto touch-up
paint.
Deep Scratches
– Sand and scuff area.
– Make a V groove using a knife or a rough round
file.
– Clean surface with isopropyl alcohol or Crest
Hi-Solv stock no. AH-S product.
– Cover with TP-E epoxy mixed in equal quanti-
ties.
– Heat the surface with a heater lamp placed at
38 cm (15 in) for a period of 15 minutes.
– Sand the repair using a smooth dry sand paper.
– Use the same product if a final finish is re-
quired.
– Clean surface with Crest Hi-Solv product.
– Apply a flexible primer such as Crest Prima Flex
stock no. AP-F.
– Wait 10 minutes.
– Repaint (air dry during 72 hours (approximate-
ly)).
Large Crack
– Sand and scuff outside and inside area by ex-
ceeding it 31.7 mm (1-1/4 in) on each side and
12.7 mm (1/2 in) at each end.
– Make a V groove (appr. 90°) on both sides of
hood using a knife or a rough round file.
– Enlarge the crack to 2.4 mm (3/32 in) − 3.2 mm
(1/8 in) using a sharp knife.
– Clean outside and inside surface with isopropyl
alcohol or Crest Hi-Solv product.
– Repair inside surface first.
– Cover inside area with Crest TP-E epoxy.
– Apply a 50 mm × 30 mm (2 in × 1-1/4 in) patch.
If no room for the patch, use tape.
– Cover exterior surface with same product.
Damaged area should be slightly higher.
– Heat surface with a heater lamp placed at 38
mm (15 in) for a period of 15 minutes.
– Sand outside repair using a smooth dry sand
paper.
– Use same product if a final finish is required.
– Apply a flexible primer.
– Wait 10 minutes.
– Repaint (air dry during 72 hours approximately).
NOTE :
R.I.M. material is high static plastics,
painting must be done in a dust free area
such as a paint booth.
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