COATS 6401 Computer Truck Wheel Balancer User Manual
1601 J. P. Hennessy Drive, LaVergne, TN USA 37086-3565 615/641-7533 800/688-6359 Manual Part No.: 8144030 04
HENNESSY INDUSTRIES INC. Manufacturer of AMMCO
®
, COATS®and BADA®Automotive Service Equipment and Tools. Revision: 10/09
6401 Computer
Truck Wheel Balancer
®
Installation Instructions
Operating Instructions
Safety Instructions
Maintenance Instructions
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.
ii • COATS 6401 Truck Wheel Balancer
Direct Drive
COATS 6401 Truck Wheel Balancer • iii
Table of Contents
Operator Protective Equipment . . . . . . . . .iv
Owner’s Responsibility . . . . . . . . . . . . . . . . .v
Definitions of Hazard Levels . . . . . . . . . . . . .v
Important Safety Instructions . . . . . . . . . . .vi
Before You Begin
Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Electrical Requirements . . . . . . . . . . . . . . . . . . . . .1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Standard Accessories . . . . . . . . . . . . . . . . . . . . . .2
Optional Accessories . . . . . . . . . . . . . . . . . . . . . . .2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation and Setup
Floor and Space Requirements . . . . . . . . . . . . . . .3
Unpack and Setup the Unit . . . . . . . . . . . . . . . . . .4
Connect to Power . . . . . . . . . . . . . . . . . . . . . . . . .5
Initial Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Operating Overview
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Selecting Balancing Mode . . . . . . . . . . . . . . . . . . .7
Selecting Balancing Options . . . . . . . . . . . . . . . . .7
Reading the Displays . . . . . . . . . . . . . . . . . . . . . . .8
Balancing Procedures
Mount Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Take Readings . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Attach Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Balancing Wheels
Truck Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Truck Static . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
RV Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Car Dynamic . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Wheel Mounting Options
Back Cone Mounting . . . . . . . . . . . . . . . . . . . . . .13
Front Cone Mounting . . . . . . . . . . . . . . . . . . . . . .13
Combi Adapter (Optional) . . . . . . . . . . . . . . . . . .14
Dayton Adapters . . . . . . . . . . . . . . . . . . . . . . . . .15
Special Problems . . . . . . . . . . . . . . . . . . . . .16
Maintenance and Calibration
Preventative Maintenance . . . . . . . . . . . . . . . . . .17
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Contents
Important Information
Rubber Manufacturers Association
1400 K Street N. W.
Washington, DC 20005
(202) 682-4800
Tire Guides, Inc.
The Tire Information Center
1101-6 So u t h R ogers Circle
Boca Raton, FL 33487-2795
(561) 997-9229
www.tireguides.com
Failure to follow danger, warning, and caution
instructions may lead to serious personal injury or
death to operator or bystander or damage to property. Do not operate this machine until you read
and understand all the dangers, warnings and cautions in this manual. For additional copies of either,
or further information, contact:
Hennessy Industries, Inc.
P.O. Box 3002, 1601 J.P. Hennessy Drive
LaVergne, TN 37086-1982
(615) 641-7533 or (800) 688-6359
www.Hennessy-Ind.com
Operator Protective
Equipment
Personal protective equipment helps make tire servicing safer. However, equipment does not take the
place of safe operating practices. Always wear durable
work clothing during tire service activity. Loose fitting
clothing should be avoided. Tight fitting leather gloves
are recommended to protect operator’s hands when
handling worn tires and wheels. Sturdy leather work
shoes with steel toes and oil resistant soles should be
used by tire service personnel to help prevent injury in
typical shop activities. Eye protection is essential during tire service activity. Safety glasses with side
shields, goggles, or face shields are acceptable. Back
belts provide support during lifting activities and are
also helpful in providing operator protection.
Consideration should also be given to the use of hearing protection if tire service activity is performed in an
enclosed area, or if noise levels are high.
WARNING
WARNING
Read entire manual
before assembling,
installing, operating,
or servicing this
equipment.
iv • COATS 6401 Truck Wheel Balancer
Safety
Do it Now
Make sure the instruction
and warning decal is
clean and clearly visible
to operator.
✓
COATS 6401 Truck Wheel Balancer • v
Owner’s Responsibility
To maintain machine and user safety, the responsibility of the owner is to read and follow these instructions:
• Follow all installation instructions.
• Make sure installation conforms to all applicable
Local, State, and Federal Codes, Rules, and
Regulations; such as State and Federal OSHA
Regulations and Electrical Codes.
• Carefully check the unit for correct initial function.
• Read and follow the safety instructions. Keep
them readily available for machine operators.
• Make certain all operators are properly trained,
know how to safely and correctly operate the unit,
and are properly supervised.
• Allow unit operation only with all parts in place
and operating safely.
• Carefully inspect the unit on a regular basis and
perform all maintenance as required.
• Service and maintain the unit only with authorized
or approved replacement parts.
• Keep all instructions permanently with the unit
and all decals/labels/notices on the unit clean and
visible.
• Do not override safety features.
• If ownership of the unit is transferred, provide
new owner all information, manuals, and provide
COATS new ownership information.
• Warranty in non-transferable.
Definitions of Hazard
Levels
Identify the hazard levels used in this manual with
the following definitions and signal words:
DANGER
Watch for this symbol:
It Means: Immediate hazards, which will result in
severe personal injury or death.
WARNING
Watch for this symbol:
It Means: Hazards or unsafe practices, which could
result in severe personal injury or death.
CAUTION
Watch for this symbol:
It Means: Hazards or unsafe practices, which may
result in minor personal injury or product or property
damage.
Watch for this symbol! It means BE ALERT! Your
safety, or the safety of others, is involved!
CAUTION
WARNING
DANGER
Safety
vi • COATS 6401 Truck Wheel Balancer
Safety
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
READ ALL INSTRUCTIONS
1. Eye and face protection recommendations:
“Protective eye and face equipment is required to
be used where there is a reasonable probability of
injury that can be prevented by the use of such
equipment.” O.S.H.A. 1910.133(a) Protective goggles, safety glasses, or a face shield must be provided by the owner and worn by the operator of
the equipment. Care should be taken to see that
all eye and face safety precautions are followed by
the operator. ALWAYS WEAR SAFETY GLASSES.
Everyday glasses only have impact resistant
lenses, they are not safety glasses.
2. Do not disable hood safety interlock system, or in
any way shortcut safety controls and operations.
3. Be sure that wheels are mounted properly, the
hub nut engages the arbor for not less than four
(4) turns, and the hub nut is firmly tightened
before spinning the wheel.
4. Read and understand this manual before operating. Abuse and misuse will shorten the functional
life.
5. Be sure the balancer is properly connected to the
power supply and electrically grounded.
6. Do not operate equipment with a damaged cord
or if the equipment has been dropped or damaged
– until it has been examined by a qualified serviceman.
7. Do not let cord hang over edge of table, bench, or
counter or come in contact with hot manifolds or
moving fan blades.
8. If an extension cord is necessary, a cord with a
current rating equal to or more than that of the
equipment should be used. Cords rated for less
current than the equipment may overheat. Care
should be taken to arrange the cord so that it will
not be tripped over or pulled.
9. Keep guards and safety features in place and in
working order.
10. Wear proper clothing. Safety toe, non-slip
footwear and protective hair covering to contain
hair is recommended. Do not wear jewelry, loose
clothing, neckties, or gloves when operating the
balancer.
11. Keep work area clean and well lighted. Cluttered
and/or dark areas invite accidents.
12. Avoid dangerous environments. Do not use power
tools or electrical equipment in damp or wet locations, or expose them to rain.
13. Avoid unintentional starting. Be sure the balancer
is turned off before servicing.
14. Disconnect the balancer before servicing.
15. Use only manufacturer’s recommended accessories. Improper accessories may result in personal injury or property damage.
16. Repair or replace any part that is damaged or worn
and that may cause unsafe balancer operation. Do
not operate damaged equipment until it has been
examined by a qualified service technician.
17. Never overload or stand on the balancer.
18. Do not allow untrained persons to operate
machinery.
19. To reduce the risk of fire, do not operate equipment in the vicinity of open containers or flammable liquids (gasoline).
20. Adequate ventilation should be provided when
working on operating internal combustion
engines.
21. Keep hair, loose clothing, fingers, and all parts of
body away from moving parts.
22. Use equipment only as described in this manual.
23. Use only manufacturer’s recommended attachments.
Before You Begin
Receiving
The shipment should be thoroughly inspected as soon as it is
received. The signed bill of lading is acknowledgement, by the
carrier, of receipt in good condition of the shipment covered by
our invoice.
If any of the goods called for on this bill of lading are shorted
or damaged, do not accept them until the carrier makes a notation of the shorted or damaged goods on the freight bill. Do this
for your own protection.
NOTIFY THE CARRIER AT ONCE if any hidden loss or damage
is discovered after receipt and request him to make an inspection. If the carrier will not do so, prepare an affidavit to the effect
that you have so notified the carrier (on a certain date) and that
he has failed to comply with your request.
IT IS DIFFICULT TO COLLECT FOR LOSS OR DAMAGE AFTER
YOU HAVE GIVEN THE CARRIER A CLEAR RECEIPT.
File your claim with the carrier promptly. Support your claim
with copies of the bill of lading, freight bill, invoice, and photographs, if possible.
Although COATS
®
responsibility ceases upon delivery of the
shipment to the carrier, we will gladly assist in tracing lost shipments. Our willingness to assist in every possible manner does
not make COATS®responsible for collection of claims, or
replacement of lost or damaged materials.
Electrical Requirements
The balancer requires a 220 VAC, 60Hz, three-phase power
supply with 20 amp fuse or circuit breaker, or a 220 VAC, 60 Hz,
single-phase power supply with 20 amp fuse or circuit breaker.
The three-phase balancer is equipped with an approved cord
and a 4-prong grounding plug to fit a Hubbell 2420 or Bryant
71520 grounding receptacle (not included).
The single-phase balancer is equipped with an approved cord
and a 3-prong grounding plug to fit a Hubbell 2320 or Bryant
grounding receptacle (not included).
The receptacles should be installed by a qualified electrician in
accordance with state and local codes.
Direct Drive
COATS 6401 Truck Wheel Balancer • 1
2 • COATS 6401 Truck Wheel Balancer
Direct Drive
Specifications
• Cycle time . . . . . . . . . . . . . . . . .12 seconds (avg.)
• Max Tire Diameter . . . . . . . . . . . . . . . . .46 inches
• Max Tire Weight . . . . . . . . . . . . . . . . .200 pounds
• Rim Diameter . . . . . . . . . . . . . . . . . . . .16 inches
• Wheel Width Range . . . . . . . . . .4.5 to 25 inches
• Balancing Increments:
Truck Truck RV Car
Round Off Dynamic Static Dynamic Dynamic
Ounce 2.0 2.0 wt≤4.0; .5 .25
wt>4.0; 1.0 .5
Grams 50 50 wt≤100; 10 wt>55; 10
wt>100; 20 wt≤55; 5
• Resolution (Round Off Mode) . . .0.01 ounce, 1.4º
• Motor - Modified torque with 850 RPM rating,
forced air cooling, large housing for heat dissipation, and heavy duty insulation for high temperature applications
• Balancer Weight . . . . . . . . . . . . . . . . .900 pounds
• Shipping Weight . . . . . . . . . . . . . . .1,100 pounds
Standard Accessories
• 5/16 Allen Wrench
• Weight Hammer
• 6401 Threaded Stud
• Accessory Pegs
• Hood Springs
• Caliper
• Small Cone
• Medium Cone
• Large Cone
• Truck Cone
• Truck Cone Spacer
• Back Cone Spring
• Pressure Drum
• Hubnut Wrench, Large
• Hubnut Wrench, Small
• Hubnut
Optional Accessories
• Tire/Wheel Lift #0501: A roll-around hydraulic lift
for mounting tire and wheel assembly to the balancer
• Dayton Wheel Adapter for 20-22.5 Inches
• Dayton Wheel Adapter for 22-24.5 Inches
• Combi Adapter for Most Truck Wheels
• Hub
Features
• Exclusive Direct Drive System - No Belts or
Pulleys
• Will Balance Most Automotive, All Truck, RV and
Light Truck Wheels
• Backcone And Truck Cone Mounting Systems
• Single Spin Dynamic Two Plane Balance Or Static
Balance
• Vertical Wheel Mounting
• Hood Safety Interlock System
• Static, Car/RV And Truck Operating Modes
• Adjustable Control Panel
- Scratch and Solvent Resistant
- Large, Bright Digital Displays
- Easy-to-Read Position Indicators
- Large Keypad for Data Entry
- Easily Repositioned for Best Visibility
- Electronics Isolated from Motor Heat
- Automatic Memory and Program Check
• Automatic Rim Gauge Return
• Simple Calibration
• Removable Shaft Stud
• Oversized Weight Bins
• Built In Anvil for Hammering Weights
• "No Bolt-Down" Installation
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