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12
PROPER PROCEDURES
FOR INSTALLATION OF TRUFLEX/PANG MAXISEALS
Apply Truflex/Pang #608F Super solution into the injury using
a #915 Spiral Cement Tool. While twisting the tool, push in and
out of the injury 3-5 times.
TYRE REPAIR KIT
760 Vulcanising Cement
1
2
6
Remove the tyre from the wheel for inspection and repair.
2mm or sidewall scuffing that exposes cord body.
4
7
TRT 105 Injury Measuring Tool
b
Yellow band = 4.5mm injury – Use a 249/4.5 UL
c
Red band = 6mm injury – Use a 250UL Maxiseal Ultra repair
d
IF THE TOOL MOVES INTO THE INJURY BEYOND THE RED BAND OF THE
TRT105, THE TYRE MUST NOT BE REPAIRED.
touching the black cushion gum. Reposition the poly onto the
#608F Super solution to the tapered part of the Maxiseal plug
Pre-clean the repair area using Truflex/Pang #816 Bufsol
stem and immediately:
Rubber Cleaner, removing all residue and contamination with a
933 Rubber Scraper
distance or at speeds
Recommendations it will
Remove the red poly from the cap of the Maxiseal without
cap to prevent contamination of the black gum. Apply a little
or rag for pre-cleaning.
beyond the recommended
Manufacturers’
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Truflex/Pang #933 Rubber Scraper. Note: DO NOT use a cloth
If the tyre has been run
higher than the Tyre
and allow to dry for 3-5 minutes. Allow additional drying time in
Maxiseal Ultra repair
wires), sidewall or tread cracking deeper than 2mm, weather checking or cracking deeper than
If the tread depth is less than 1.6mm, the tyre MUST NOT BE REPAIRED.
Apply Truflex/Pang #608F Super solution to the buffed surface
cold and/or humid weather conditions.
Green band = 3mm injury – Use a 249W
Maxiseal Plus repair
repair kit to repair the tyre if your inspection reveals any signs of damage after being run flat
or being run under inflated, or if it has casing damage, separation (visible, bent or broken bead
3
TRT105 color coded measuring tool.
a
Thoroughly inspect the tyre for damage and defects. DO NOT use the Truflex/Pang run-flat tyre
13
Measure the size of the injury quickly and accurately with a
Inner Liner Cracking. Both
are non-repairable conditions.
Inner liner Separation
8
exhibit damage to the inner
15
Push the lead wire through the prepared hole in the tyre. Grasp
the lead wire on the outside of the tyre and pull the repair with
even pressure through the tyre until you can grasp the rubber
Draw a perimeter approximately 15mm around the repair unit or use a #111TM Template.
stem. Finish pulling the repair into place until the cap is seated
The outlined area will act as a guide when mechanically buffing.
to the inner liner of the tyre.
liner separations or cracking as shown in the photos above. IF DAMAGE SUCH AS THIS
APPEARS, THE TYRE MUST NOT BE REPAIRED USING THE TRUFLEX/PANG
EUROPE RUN-FLAT TYRE REPAIR KIT.
9
Buff within the outlined area with a low rpm (MAX 5,000 RPM)
buffer and appropriate fine to medium grit buffing wheel to
achieve an RMA #1 or #2 buffed texture.
5
16
Stitch with the #936 roller stitcher the repair from the center
outward, remove the red poly and stitch in the opposite
direction. Then remove the clear poly from the cap.
Locate the injury and mark the injury on both the inside and
936 Roller Stitcher
outside of the tyre with a Truflex/Pang marking crayon. Inspect
the tyre to determine its size, and then, using the PG159
measuring gauge, quickly determine if the injury falls within the
repairable tread area. Place the arrows located on the left hand
PG159 Tyre Tread Measure Gauge
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side of the gauge on the center of the tread area and locate
and a low rpm drill (MAX.
outside of the solid lines of the window, the tyre CANNOT be repaired. IF ANY INJURY IS
1,200 RPM) moving the
LOCATED OUTSIDE OF THE REPAIRABLE TREAD AREA, THE TYRE MUST NOT BE
REPAIRED.
Tread Injury
Size After
Preparation
Combination
Repair Unit
MAXISEAL
Carbide Cutter
Max allowed No.
of Repairs
Up to 155 = 60%
155 - 200 = 65%
Greater than 200 = 75%
3mm
M3
269
1
4.5mm
M4.5
C4.5
1
6mm
M6
270P
1
Apply Truflex/Pang Butyl Liner sealer #BLRS to the repair and
any buffed surface beyond the edge of the repair unit. BLRS
is made of the same type of rubber as the inner liner and will
for the repair unit selected
is located wholly within the solid lines of the window the tyre can be repaired. Any injury located
Repairable % Tread Area On
Tyre size
drilling with the appropriate
carbide cutter required
the injury through the window of the corresponding tyre size printed on the gauge. If the injury
TRUFLEX/PANG RUN-FLAT REPAIR CHART PASSENGER TYRES
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Prepare the injury by
assure an air tight repair.
Carbide Cutter (269, C4.5 or 270P)
738 Security Coat
carbide in and out 3-5 times from the inside of the tyre and 3 -5 times from the outside of the
tyre. (in line with the direction of the injury)
11
Remove all buffing dust with a wire brush and a vacuum.
IMPORTANT NOTE: DO NOT TOUCH THE BUFFED
SURFACE WITH THE VACUUM.
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Cut the stem off on
the outside of the tyre
approximately 3mm above
the tread surface. If the
injury is in the tread groove,
the stem can be cut off flush
to the tread surface.
THE TYRE IS NOW READY TO RETURN TO SERVICE.