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Wheel & Rim Safety Manual
CAUTION:
Always completely deflate tire by removing valve core before removing the tire from vehicle or
before attempting any other demounting operation. Check the valve stem by carefully running a piece of
wire through the stem to make sure it is not plugged.
See Safety Procedures & Standards for Servicing
Off-Highway Rim W heels.
1
1. Remove any fill from the tire. Remove the
valve core and completely deflate the tire.
Lay the assembly on the floor with the narrow
ledge at the bottom.
2
2. Drive a bead unseating tool between the tire
bead and the rim flange, being careful not to
damage the tire bead area. After the bead has
been released completely around the tire, turn
the tire and rim over and repeat the bead
unseating procedure with the narrow ledge up.
3
3. With the narrow ledge on top, thoroughly
lubricate the rim flange and tire bead area
with an approved tire lubricant or a thin
solution of vegetable oil soap in water.
(Never use antifreeze, silicones, or
petroleum-base lubricants.)
4
4. Force the part of the bead that is directly
across from the valve into the well. Starting at
the valve, pry the bead over the rim flange
using two 18” long tire irons. Continue by
taking small bites to avoid damage to the
bead until the top bead is completely over
the rim flange.
Agricultural rim wheels
Demounting tires off of the vehicle
