Hybrid Duckhead®
Mount/Demount Tool
Kit 85608959
1601 J. P. Hennessy Drive, LaVergne, TN USA 37086-3565 615/641-7533 800/688/6359 www.ammcoats.com Manual Part No.: 85609976 00
HENNESSY INDUSTRIES INC. Manufacturer of AMMCO®, COATS® and BADA® Automotive Service Equipment and Tools. Revision: 01/15
Parts Identification
★ Note: These parts not supplied with kit, shown for refer-
ence only.
Item Part No. Description
1 85608959 Hybrid Duckhead Mount/Demount
Tool Lever Type
2 85608961 Hybrid Duckhead Tail
3 8182787 0.562 Diameter x 0.515 LG. Roller
4 8182786 5mm x 25mm Dowel Pin
5 8140667 1/4-20 x 1/4 Soc.Hd.Set Scr, Gr.8
6 *8182961 Mount/Demount Booties, Pkg. 2
7 85608958 0.25 x 1.50 Dowel Pin
*Not Shown
Operational Tips
This is a supplement to your COATS tire changer
operating manual. If you do not have your original oper-
ating manual, please call COATS at 1-800-688-6359 to
request an additional copy.
This accessory is normally used in the servicing of
single piece automotive and most light truck tire/wheel
assemblies.
Hybrid DuckHead® Mount/Demount Tool
Lever Type
Torque to
20-26 ft. lb.
1
2
Roller Mount 85607803 ★
Vertical Slide Shaft 8182812 ★
5
4
3
7
• Push down on the tire oppo-
site demount tool to allow
bead to utilize the drop
center area of the rim and
allow easier bead lift over
demount tool.
Use helper arm (if
equipped) to help push
bead into drop center.
When using hybrid
mount/demount tool,
push tail into wheel
before lifting the tire bead
with the bead lifting tool.
• Push the bead lifting tool
down towards the wheel
to lift bead up and over the
knob portion of the hybrid
demount tool.
• Hold the bead lifting tool
and bead in this position.
• Depress table top pedal to
rotate wheel. The bead lifter
tool will guide the bead up
and over the edge of the
wheel until demounted.
Demounting Tire Using Hybrid Duckhead® Mount/Demount Tool
• Loosen tire beads and
clamp wheel to tabletop.
• Position swing arm until
demount tool plastic con-
tacts wheel.
• Set demount tool to 1/8-
inch to 3/16-inch above
wheel (metal & hybrid).
Position hybrid mount/
demount tool tail to
match curvature of
wheel (against rim).
• Position valve stem behind
demount tool to prevent
damage to TPMS (Tire Pres-
sure Monitoring System)
sensor.
When using hybrid
mount/demount tool,
push tail into wheel
before lifting the tire bead
with the bead lifting tool.
• Insert smooth curved end
of bead lifting tool over
forward end of hybrid
demount tool and below
the top bead of the tire.
1/8" to 3/16"
Position Behind Tail
(metal & hybrid)
Valve Stem
Tire Removed
For Clarity
Demounting Tire (Continued)
• Position valve stem behind
demount tool to prevent
damage to TPMS sensor.
• Lift and hold tire at an angle
so lower bead is resting in the
drop center directly across
from the demount tool, and
is loose below demount tool.
When using hybrid
mount/demount tool,
push tail into wheel
before lifting the tire bead
with the bead lifting tool.
• Insert smooth curved end
of bead lifting tool down
over forward end of hybrid
demount tool and below
the lower bead of the tire.
• Lift bead up and over the
knob portion of the hybrid
demount tool.
• Depress table top pedal to
rotate wheel. The bead lifter
tool will guide the bead up
and over the edge of the
wheel until demounted.
Valve Stem
85609976 00 01/15 © Copyright 2015 Hennessy Industries All Rights Reserved
• Lubricate tire beads
liberally.
• Place tire over wheel with
the hybrid mount tool in
position.
• Make sure valve stem is in
front of bead lock to pre-
vent TPMS sensor damage.
Position hybrid mount/
demount tool tail to
match curvature of
wheel (against rim).
• Position tire so lower bead is
above rear extension (tail) of
bead mount tool and below
the front knob.
When using mount/
demount tool, be sure
tire bead stays on the
rear extension (tail) of the
mount tool (metal & hybrid).
• Depress table top pedal
and rotate wheel to mount
lower tire bead.
• Use drop center of wheel
by forcing down on tire just
ahead of hybrid mount tool,
and follow as tire rotates
until lower tire bead is
mounted.
Mounting Tire Using Hybrid Duckhead® Mount/Demount Tool
• For top bead installation,
rotate table top until valve
stem is just in front of bead
lock.
• Lift upper bead up and over
rear extension (tail) of bead
mount tool; while holding
opposite side of tire down
in drop center of wheel.
When using mount/
demount tool, be sure
tire bead stays on the
rear extension (tail) of the
mount tool (metal & hybrid).
• Depress table top pedal
and rotate wheel to mount
top tire bead.
• Be careful to ensure bead
stays in the rim drop center
in the area ahead of the
hybrid mount tool.
• Unclamp / inflate tire per
your tire changer operaing
instructions.
Valve Stem
/
