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Inspection for Leaks
1. With wheel assembly removed from vehicle, inflate the
tire to recommended operating pressure.
2. Lower assembly into water tank
·
or run water over tire
to locate leak. Mark location of leak with crayon.
Demounting and Mounting
All tubeless tires used on Chev-
rolet trucks with the exception of
the 6.70-15 size (used on
Yz
ton
models) should be demounted and
mounted as described in this sec-
tion. The 6.70-15 tire may be de-
mounted using present tire ma-
chines or standard tire irons follow-
ing the same procedure employed
in servicing tube type tires.
CAUTION: A hammer or tools
with sharp edges should never
be used to demount or mount
tubeless tires as damage to rim
flange or tire sealing bead may
result.
Demounting (all except
6.70-15 tires)
1. Remove valve core to
completely deflate tire. With
tire lying flat on floor, loosen
beads from rim seats by
walking around
o~'
tire with
heels at points close to rim.
With wide side of rim down,
apply tire lubricating soap
to top bead. With stops
toward rim, insert spoon
ends of two tire irons about
10" apart. While standing
on tire to hold bead in gut-
ter, pull one tool toward
center of rim (fig. 66).
• 64 •
Fig. 66
Fig. 67
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