Toyota 1991 CAMRY Body Section Repair Manual page 10

IN-8
PREPARATION FOR INSTALLATION
SPOT WELD POINTS
When welding panels with a
combined thickness of over 3
mrn (0.12 in.), use a MIG
(Metal Inert Gas) welder for
plug welding.
NOTE: Spot welding will
Less than
not provide sufficient dura-
3 mm
bility for panels over 3 mm
(0.12 in.) thick.
WRONG
ROUGH CUTTING OF JOINTS
For joint areas, rough cut the
new part, leaving
20 - 30 mm (0.79 - 1.18 in.)
overlap.
INTRODUCTION
APPLICATION OF WELD-THROUGH PRIMER
Air Saw
20 - 30 mm
Overlap
MAKING HOLES FOR PLUG WELDING
For areas where a spot welder cannot
be used, use a puncher or drill to make
holes for plug welding.
REFERENCE:
For treatment
against corrosion,
remove the paint
from the portion of
the new part and
body to be welded,
and apply weld-
through primer.
Thickness of
Size of plug hole
welded portion
1.0 (0.04) under 5 (0.20)
1.0 (0.04) over 6.5 (0.26)
mm (in.)
φ
over
φ
over