Porsche 928 - WORKSHOP MANUAL 1977 Workshop Manual page 126

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928
Wheels, Tires, Alignment
44
l
-
When starting to fit the second bead, the
assembly arm should be located opposite
the valve. Then place the second bead as
flat as possible onto the wheel, guide it
across the assembly head and tie it down
with Special Tool 9539, keeping it offset
by approx. 90 to 120 deg.
While performing the turning motion and
fitting the second bead, use a second tire
lever and Special Tool 9539 to locate the
tire bead in the drop center.
-
To facilitate assembly, position the addi-
tional tire lever below the hump.
-
When inflating the tlre, the beads must
Jump over the hump at a positive pres-
sure of 4.5 bar at the latest.
The bead still located in the drop center
must therefore be positioned opposite the
valve (flatter hump sectlon) when the
tire is pumped up. If required, rotate the
tire accordingly and coat with assembly
compound again.
Removing the the
-
Adjust assembly head as for tire fitting
(Fig. 1014 44).
-
When pressing off the tire, start at the
valve since the levering force required
in this area is somewhat lower.
Then press off the tire on both sides, coat-
ing the rim flange with assembly com-
pound.
a
Tire fitting
44 - 18a
Printed
in Germany-XXIX,
1992

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1986 9281985 928928

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