R76 Series of Tire Changers
43
P/N 5900346 — Rev. C — Dec. 2019
Demount the Tire
Demounting a Tire is the process of taking a Tire off a Wheel. Specifically, you need to pull the top
Bead over the
top
of the Rim, then pull the bottom Bead also over the
top
of the Rim.
⚠
CAUTION
You
must
use Tire Lubricant; this helps the Tire demount more easily and helps to
prevent damage to the Wheel and/or the Tire.
During demounting, the Bead goes over the Demount Lip of the Mount/Demount Head but stays
⚠
WARNING
The following procedure
requires
that the Tire’s Beads are broken on
both
sides.
Do not
try to demount a Tire whose Beads are not broken on both sides; you
could damage the Wheel, the Tire, or even injure yourself or bystanders.
To demount a Tire
:
1.
Make sure you are wearing OSHA-approved (publication 3151) personal protective equipment:
leather gloves, steel-toed work boots, back belts, hearing protection, and ANSI-approved eye
protection (safety glasses, face shield, or goggles).
2.
Verify that the Tire’s Beads are completely broken on
both sides
of the Tire.
3.
Apply Tire Lubricant to the Tire Beads and the top Rim.
This helps the Beads slide over the Rims more easily.
4.
Move the Mount/Demount Head into position, very close to the Rim
but not touching it
, and
lock it in position using the Control Button on the Adjustment Handle.
5.
Push the top Bead on the side of the Tire
opposite
the Mount/Demount Head into the Drop Center
of the Wheel.
This gives you some extra room to help pull the top Bead over the Demount Lip.
Tires not shown for clarity. Side view. Not necessarily to scale.
6.
Take the Bead Lifting Tool, position one end on the outside of the Demount Lip of the
Mount/Demount Head, then slide it down between the Demount Lip and the top Tire Bead until it
is just past (and a little under) the Bead.
7.
Carefully push the Bead Lifting Tool in towards the middle of the Wheel in an arc.
Summary of Contents for R76LT
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