Robo-Assist™ Accessory
Kit 85607617 For use with BaseLine™ by COATS Tire Changers
This is a supplement to your operating manual and covers the installation and use of the Robo-Assist accessory.
If you do not have your original operating manual, please call BaseLine by Coats at 1-800-688-6359 to request
an additional copy.
Installation Instructions
Operating Instructions
with Parts Identifi cation
READ these instructions before placing unit in
service. KEEP these and other materials delivered
with the unit in a binder near the machine for ease
of reference by supervisors and operators.
1601 J. P. Hennessy Drive, LaVergne, TN USA 37086-3565 615/641-7533 800/688/6359 www.baselinebycoats.com Manual Part No.: 85607624 01
HENNESSY INDUSTRIES INC. Manufacturer of AMMCO
®
, COATS®, BaseLine™ and BADA® Automotive Service Equipment and Tools. Revision: 02/12
Installation Instructions
1. Before beginning any work, clear the area and posi-
tion the machine for easy access. Disconnect all power
sources, both air and electricity inputs. Allow any stored
air in the reservoir to escape by depressing the inflate
valve.
Figure 1 - Disconnect power and air sources.
4. Next, remove nut on the bolt supporting the swing
arm pivot system. With the new 14-inch (356 mm) long
bolt push the old bolt out. Make sure the small washer
is on the head of the new bolt.
Pivot Pin
Spacer
2. Verify the stored air pressure is zero by completely
depressing the inflation foot valve located on the side of
the machine. Next with a 9/16-inch wrench remove the
safety valve (reserve for later use).
Safety Valve
Figure 2 - Remove safety valve.
3. Install the manifold; then assemble the safety valve
(reserved) and barbed hose fitting onto the manifold.
Tighten until the barbed fitting is positioned as shown
in photo.
Figure 4 - Use new long bolt to push old bolt out.
5. Next, install the large spacer, the swing arm (note
position of the decal) with pivot pin spacer, swing arm
sleeve, large washer and the lock nut. Next, using large
wrenches, tighten the assembly to 240 ft. pounds
torque (very tight). If the swing arm rotation is too
tight, loosen the lock nut until the swing arm assembly
rotates with a slight amount of resistance.
Safety Valve
Barbed
Manifold
Figure 3 - Install manifold, safety valve and barbed fitting.
Fitting
Figure 5 - Tighten swing arm to rotate with some resistance.
2 • Tire Changers
6. Locate arm with valve assembly, install the 10 1/2-
inch (267 mm) long bolt with head through the bottom
side, slide pivot pin over bolt and attach nut with only
one turn.
Figure 6 - Locate and position arm with cylinder.
8. Next, using large wrenches, tighten the assembly
to 240 ft. pound torque (very tight). Again, even though
the bolt is very tight, the assembly should be free to
rotate.
Figure 8 - Tighten the swing arm bolt.
9. Slide the cylinder through the cylinder arm bush-
ing, aligning the cylinder for set screw installation.
Tighten the set screw.
7. Slide the cylinder arm pivot pin through the swing
arm bushing, hold in position, remove nut and place
washer over bolt threads and assemble nut to bolt.
Figure 7 - Hold swing arm in position to install nut to bolt
Set
Screw
Figure 9 - Slide cylinder through cylinder arm bushing.
10. Install the external snap ring.
Figure 10 - Install external snap ring.
Tire Changers • 3
11. Grease the steel ball and place it in the bottom
of the assist tool.
14. Attach hose clamps to arms. Next, unwrap the
hose from valve, guide through hose clamps; and, with
the hose pushed over the barbed fitting, tighten hose
clamps by pulling clamp tabs off.
Route and
Connect Hose
Figure 11 - Place greased ball in bottom of assist tool.
12. Next, install the assist tool onto the cylinder shaft
using the roll pin.
Roll Pin
Figure 12 - Install assist tool onto cylinder shaft.
13. Connect 1/8-inch nylon tubes from robo cylinder
to cylinder arm valve fittings, as shown in figure 13.
Attach cable tie around tubes to bottom cylinder fitting.
C
Figure 14 - Route hose and tighten hose clamps.
C
15. Next, reconnect the air pressure source and
check for leaks. Cycle the cylinder on the Robo-Assist™
several times to make sure cylinder operates correctly
(valve up for cylinder up - valve down for cylinder down).
A
Nylon
Tube
Use Cable
Tie To Nest
Tubing
Nylon
Tube
A
Figure 13 - Connect nylon tubes.
B
B
4 • Tire Changers
Operating Instructions
(with Robo-Assist™)
This unit must be properly operated and properly maintained to help avoid accidents that could damage the
unit and injure the operator or bystanders. This section
of the Operating Instructions manual review basic operations and use of controls. These instructions should be
reviewed with all employees before they are allowed to
work with the machine. Keep these instructions near
the machine for easy reference.
Bead Loosening and Demounting
CAUTION
This machine may operate differently from
machines you have previously operated.
Practice with a regular steel wheel and tire
combination to familiarize yourself with the
machine’s operation and function.
A. Remember to remove all weights from both sides
of the wheel. Weights left on backside of wheel
may cause the wheel to be clamped unleveled.
This may result in the combination mount/demount
head contacting the rim causing scratches. On alloy
wheels, always rotate the wheel one turn after setting the Duckhead to insure proper wheel chucking.
B. Always review with the owner any nicks and
scratches on expensive wheel and tire combinations prior to servicing.
CAUTION
Loosening the beads on a partially or fully
inflated tire is unsafe and causes excess
movement and friction against the bumper
pads and excessive wear on pivots. Deflate
the tire completely to prolong the life of
your machine.
1. Deflate the tire completely by removing the valve
core from the valve stem (figure 1). Be cautious and do
not smoke as a flammable gas could have been introduced into the tire at some time.
Figure 1 - Remove Valve Core to Deflate Tire
CAUTION
Tires are always installed and removed from
the rim’s narrow side.
D. Always loosen the bead on the narrow side of
the wheel’s drop center first (tire removed in figure
2 for clarity).
Narrow Side
Drop Center
Long Side
Figure 2 - Determine Narrow Side of Wheel
E. The clamps on the table top may extend beyond
the table top itself. To avoid damaging the clamps,
move them to their full inward position before positioning a tire for bead loosening.
F. Use extra care in positioning the bead loosener
shoe on larger wheels/tires, and on alloy wheels.
Make sure the shoe rests next to but not on the
rim, and not on the tire sidewall.
Tire Changers • 5
2. Pull the bead loosener shoe away from the machine
and roll wheel into position. The valve stem should be
in the 2 o’clock position to accommodate a possible
asymmetric safety hump type rim. Position the bead
loosener shoe against the tire next to, but not on, the
rim. Press the bead loosener foot pedal to actuate the
shoe and loosen the bead. It may be necessary to
loosen the bead in multiple locations around the tire
(figure 3).
Valve Stem
Figure 3 - Position Tire and Bead Loosener Shoe
3. Turn the wheel around and repeat loosening pro-
cedure on the other side of the wheel (figure 4). This
should be the long side of the drop center (figure 2).
4. Apply tire manufacturer’s approved rubber lubricant
liberally to entire circumference of both tire beads after
loosening (figure 5).
Figure 5 - Apply Rubber Lubricant to Tire Beads
5. Determine the mounting side of the wheel. The
mounting side is the narrow side of the drop center. See
figure 2 for more information on the drop center.
6. Place tire/wheel assembly on table top with mount-
ing side up (figure 6). Use the clamp control pedal to
move the clamps inward (push pedal down) or outward
(toggle pedal up). Clamp steel wheels from the inside
(clamps push outward against wheel). Clamp mag and
custom wheels from the outside (clamps push inward
against the outside rim edge).
Figure 4 - Position Tire and Bead Loosener Shoe With Wheel
Turned Around
Figure 6 - Place Tire/Wheel Assembly on Table top
G. It will be easier to outside clamp the wheel to
the table top if the long side of the rim is loosened
last.
6 • Tire Changers
5. Depress the tire sidewall downward with the aid
of the assist foot providing clearance for the mount/
demount head to be positioned (figure 7). Move swing
arm into place. Increase the horizontal distance between
the demount head and the wheel an additional 1/16 to
1/8 inch with the adjustment knob.
8. Place the assist foot opposite the demount head
and push the bead into drop center. Insert bead lifting
tool between knob on demount tool and tire bead (Figure 10).
Figure 10 - Insert Bead Lifting Tool
Figure 7 - Assist Foot Depressing Sidewall of Tire
6. Lubricate upper bead liberally (Figure 8).
Figure 8 - Lubricate Upper Bead
7. Locate the valve stem just before the demount
head before proceeding (Figure 9).
9. Rotate lifting tool down over wheel to lift bead up
and over the knob and at the same time remove assist
foot.
10. Hold lifting tool in place, depress the table top
rotation pedal momentarily to jog the wheel a short
distance. Check the wheel and tire to verify that operation is not causing damage. The lifting tool can usually
be removed after jogging the wheel a short distance
(Figure 11). Continue to jog the wheel to allow the tire
sidewall to flex as it crosses the rim edge. Continue
short rotations until top bead is completely demounted.
Valve Stem
Demount Head
Figure 9 - Position Valve Stem Under Demount Head
Figure 11 - Holding Lifting Tool in Place and Rotate Wheel
Tire Changers • 7
11. Demount lower bead. Pay close attention to sen-
sor/transmitter location, and position it just before the
demount tool when starting the lower bead demount
procedure (Figure 12).
Sensor
Figure 12 - Sensor/Transmitter Location
12. Lift and hold the tire at an angle so the lower
bead is resting in the drop center directly across from
the demount head, and is loose below the demount
head. Insert bead lifting tool down over demount tool
and below the lower bead. Lift the lower bead over the
demount tool (Figure 13). Hold the lifting tool in place.
Depress the table top rotation pedal momentarily to jog
the wheel short distances to complete the demounting
process.
Mounting
1. Lubricate both tire beads liberally. Performance
tires will require more lubrication than standard passenger car tires.
2. Mount the lower bead. In most cases, the lower
bead will mount easily.
AE: Mounting the top bead can be very difficult
when mounting new tires on performance and custom
wheels. Proceed slowly and cautiously.
3. Position the valve stem 90 degrees clockwise in
front of the mount/demount tool for top bead mounting. Lift the bead over the rear of the mounting head.
Use the assist tool to hold the bead in the drop center
(Figure 14). Rotate the wheel in short steps and apply
extra lubricant to mount upper bead.
Valve
Figure 13 - Lower Bead in Drop Center
Figure 14 - Mount Upper Bead, Use Assist
4. On extremely tight tire and wheel combinations, it
may be necessary to use the bottom of the assist foot
to flip the tire bead over the rim flange (Figure 15)
Figure 15 - Assist Foot to Flip Bead Over Rim Flange
8 • Tire Changers
Robo-Assist™ Maintenance
A. Grease the Robo-Assist to maintain smooth rota-
tion. Grease fittings have been provided at the pivot
joints.
B. Check bolt torque periodically at pivot joints. Proper
Torque is 240 ft. lbs.
Maintain Bolt Torque
at 240 ft. lbs.
Grease Fittings
Tire Changers • 9
Parts Identifi cation
Kit 85607617 Robo-Assist™ Accessory
ITEM PART NO. DESCRIPTION
1 85607622 Plastic Hold Down Foot
2 905563 Roll Pin, 1/4" Dia x 1-1/2"
3 83 01017 Dia. Steel Ball, 1/2"
4 7000230 Rubber Hand Grip, 1/2"
5 8183637 2" Ext. Retaining Ring
6 8181983 10-24 x 3/4 Lg. BHSCS
7 *** Robo-Assist Valve Assembly
8 85607946 Cyl Assem 2" Dia x 8-inch Stroke
9 8181996 1/4 NPT x 1/8 Tube St. Fitting
10 8106301 1/4-20 x 3/4" HWHST Screw
11 8182044 Neoprene Cushion Clamp
12 8183649 1/4-20 x 5/16" Soc Hd Set Screw
13 8184226 1/4-28 Grease Fitting
14 8182016 3/4-10 Hex Nylock Lock Nut
15 8100994 Flat Washer, 3/4"
16 8560761802 Front Arm Weldment
17 8560761901 Rear Arm Weldment
18 8181038 Swing Arm Pivot Pin
19 8183703 3/4-10 x 10-1/2” Hex HD Cap Srw
21 8182457 Flat Washer, 3/4 SAE
ITEM PART NO. DESCRIPTION
25 8183635 Screw, 3/4-10 x 14, HHCS, Gr.5
32 8181997 90º Elbow
33 8184208 Pivot Pin Spacer
34 * Hose, Rubber, 1/4, 58" Black
35 * Plastic Tube, 1/8 x 6"
36 * Plastic Tube, 1/8 x 16"
37 85607633 Swing Arm Sleeve
38 Wire Tie
39 871101642 1/4 NPTM x 1/4 F Straight Fitting
40 8000378 1/4 NPT Brass Straight Fitting
* Hose Reels
LENGTH PART NO. DESCRIPTION
50-ft. 85000375 1/4” ID x 1/2” OD Black Rubber Hose
50-ft. 85000376 1/8” OD x 0.25 Plastic Tube
10 • Tire Changers
3
2
1
4
5
3
2
1
4
5
7
45
1
2
46
47
3
48
4
5
49
Robo-Assist Assy Valve
ROBO ARM ASSEMBLY VALVE
ITEM PART NO. DESCRIPTION
45 8000378 Brass Straight Fitting, 1/4 NPT
46 8105615 Small Muffler
47 8185585 3 Position Valve
48 8109481 RDCR Fitting, 1/4 NPT x 1/8 NPT
49 8181997 Male Elbow, 1/8 NPT x 1/8"
Tire Changers • 11
85607624 01 02/12 © Copyright 2011 Hennessy Industries, Inc. All Rights Reserved
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