TM 9-4910-707-14&P
9 8 5 0 Small Wheel Adapter for 931A Truck Tire Changer
small wheels equipped with a center mounting hole The
This adapter provides the capability to handle 14", 15"
following sequence photographs illustrate the procedure
and 16" automobile pick-up truck delivery van and other
Place the adapter over the center main-shaft and insert
Breaking the outer bead Rotation is counterclockwise
Iooklng at the outside of the rim
one of the 15 inch jaws into the collar Secure the 3 jaws
with the standard spring
Tire and wheel assembly shown Installed on the adapter
DEMOUNTING
Make sure the cast core IS tight on wheel If thread en-
The mount-demount shoe IS shown in position between
gagement IS such that the core does not tighten against
the outer bead and the rim flange in the conventional
the wheel, insert #4083 spacer core between the wheel
manner The bead Iifting tool IS placed just below and to
and the cast core
the right of the mount-demount shoe and has Iifted the
bead over the end of the shoe Rotation is counterclock-
wise
BREAKING THE BEADS
The tire and wheel assembly IS shown from the back side
and the inner bead IS being broken first Note the spaces
Outer bead being demounted
sleeve behind the press wheel hub. This sleeve IS impor-
tant in that it prevents accidental contact of the press
wheel arm shaft and the spring hooks on the 15" jaws
Rotation IS clockwise looking at the inside of the rim
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