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6401
Computer
Truck Wheel Balancer
1601 J. P . Hennessy Drive, LaVergne, TN USA 37086-3565 615/641-7533 800/688-6359
HENNESSY INDUSTRIES INC. Manufacturer of AMMCO
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.
®
, COATS
®
and BADA
®
Automotive Service Equipment and Tools.
®
Manual Part No.: 8144030 03
Revision:
05/04
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Summary of Contents for Coats 6401
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Page 1: Safety Instructions
® 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. - Page 2 Direct Drive ii • COATS 6401 Truck Wheel Balancer...
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Page 3: Table Of Contents
Calibration ......17 Reading the Displays ..... . .8 COATS 6401 Truck Wheel Balancer • iii... -
Page 4: Operator Protective Equipment
Tire Guides, Inc. The Tire Information Center 1101-6 South Rogers Circle Boca Raton, FL 33487-2795 (561) 997-9229 www.tireguides.com Do it Now Make sure the instruction and warning decal is clean and clearly visible to operator. iv • COATS 6401 Truck Wheel Balancer... -
Page 5: Owner's Responsibility
If ownership of the unit is transferred, provide new owner all information, manuals, and provide Watch for this symbol! It means BE ALERT! Your COATS new ownership information. safety, or the safety of others, is involved! • Warranty in non-transferable. COATS 6401 Truck Wheel Balancer • v... -
Page 6: Important Safety Instructions
23. Use only manufacturer’s recommended attach- not be tripped over or pulled. ments. 9. Keep guards and safety features in place and in working order. SAVE THESE INSTRUCTIONS vi • COATS 6401 Truck Wheel Balancer... -
Page 7: Before You Begin
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. COATS 6401 Truck Wheel Balancer • 1... -
Page 8: Specifications
• Oversized Weight Bins • Truck Cone Spacer • Built In Anvil for Hammering Weights • Back Cone Spring • "No Bolt-Down" Installation • Pressure Drum • Hubnut Wrench, Large • Hubnut Wrench, Small • Hubnut 2 • COATS 6401 Truck Wheel Balancer... -
Page 9: Installation And Setup
A factory trained COATS ® Service Technician must perform the install, setup, and initial test procedures on your 6401 balancer. Do not attempt to install and setup the unit yourself. Accurate and reliable operation of your unit depends on proper installa- tion. -
Page 10: Unpack And Setup The Unit
8" Min. instruction card, the pod should be raised. 12. Position the balancer in its final operating location. Lightly tighten the four 5/16" nuts Figure 3 - Control Pod Height 4 • COATS 6401 Truck Wheel Balancer... -
Page 11: Connect To Power
Note: The green wire in the cord is the grounding wire. Never connect the green wire to a live terminal. Initial Testing A – Red This should be performed by your factory trained COATS ® Service Technician. Precautions: Initial testing should be performed by the B –... -
Page 12: Operating Overview
Mode. Press and hold the SHIFT key, and press 1. Round Off - Toggles the balancer between the high accuracy mode (0.01-ounce increments) and the normal mode (0.25-ounce increments). Press and hold the SHIFT key, and press 6. 6 • COATS 6401 Truck Wheel Balancer... -
Page 13: Selecting Balancing Mode
Direct Drive Selecting Balancing Mode Four balancing modes are available on the 6401. Select the bal- ancing mode based on wheel type and customer request. Press the mode key to select the desired balance type. The LED will illuminate to indicate your selection. In the static mode, the bal- ancer will automatically adjust the wheel diameter to compen- sate for the actual location of the weight(s). -
Page 14: Reading The Displays
Hub - The hub nut has come loose. The balancer will auto- matically brake to a stop when the wheel is 13 inches or larger in diameter. Retighten the hub nut and respin. 8 • COATS 6401 Truck Wheel Balancer... -
Page 15: Balancing Procedures
(See page 15). Offset 1. Press the offset key. Move distance gauge to touch edge of wheel. 2. Read this dis- tance measurement on the arm. 3. Enter offset distance using the keypad. COATS 6401 Truck Wheel Balancer • 9... -
Page 16: Width
3. Enter wheel width information using the keypad. Diameter 1. Press the diameter key. Read rim diameter size as read from tire sidewall. 2. Enter diameter using the keypad. 10 • COATS 6401 Truck Wheel Balancer... -
Page 17: Take Readings
0 0 : : 0 0 0 0 0 0 : : 0 0 0 0 Note: The more accurate you are in selecting the exact weight and position, the more often you will balance in one spin. COATS 6401 Truck Wheel Balancer • 11... -
Page 18: Balancing Wheels
“D” 1 1/2" smaller than tire size. 5. Lower hood. Respin wheel to obtain 0.00 reading. START Standard clip weight will be Standard clip attached here. weight will be attached here. 12 • COATS 6401 Truck Wheel Balancer... -
Page 19: Wheel Mounting Options
6. If you still can't tighten hubnut because of a lack of threads, use an additional cone to act as a spacer between the hubnut and existing cone. COATS 6401 Truck Wheel Balancer • 13... -
Page 20: Combi Adapter (Optional)
Wing nuts must engage threads for at least six full turns. Hubnut and cone must force wheel and adapter firmly against the faceplate. Failure to tighten hubnut or wingnuts securely may result in serious personal injury. 14 • COATS 6401 Truck Wheel Balancer... -
Page 21: Dayton Adapters
Install the adapter according to the steps provided for 20" and 22.5" rims. CAUTION Hubnut and cone must force adapter firmly against the faceplate. Failure to tighten hubnut or rim clamp nuts securely may result in serious personal injury. COATS 6401 Truck Wheel Balancer • 15... -
Page 22: Special Problems
Complaint: Weight or position readings fluctuate. Remedy: Check cone/hubnut for slippage. Check the balancer is resting firmly on three mounting points, floor is flat and sta- ble, and that no tools or weights are between balancer and floor. 16 • COATS 6401 Truck Wheel Balancer... -
Page 23: Maintenance And Calibration Preventative Maintenance
4. Press and hold SHIFT and press 1. 5. Lower the hood and press START. 6. Raise the hood, rotate the wheel until the outer weight positioning LED flashes, and attach an 8 ounce weight (227 grams) at top-dead-center. COATS 6401 Truck Wheel Balancer • 17... - Page 24 8144030 03 06/04 © Copyright 2000 Hennessy Industries and COATS All Rights Reserved Printed in USA...
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