® 850 Solid State WHEEL BALANCER Installation Operating Safety Maintenance Instructions Instructions Instructions 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. 1601 J. P. Hennessy Drive, LaVergne, TN USA 37086-3565 615/641-7533 800/688-6359 HENNESSY INDUSTRIES INC. Manufacturer of AMMCO®, COATS® and BADA® Automotive Service Equipment and Tools.
Direct Drive ii • COATS 850SS Wheel Balancer
Contents 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 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Standard Accessories . . .
Safety 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.
Safety Owner’s Responsibility Definitions of Hazard Levels To maintain machine and user safety, the responsibility of the owner is to read and follow these instructions: Identify the hazard levels used in this manual with the following definitions and signal words: • Follow all installation instructions. DANGER • 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.
Safety IMPORTANT SAFETY 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.
Direct Drive 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.
Direct Drive Installation and Setup A factory trained COATS® Service Technician must perform the install, setup, and initial test procedures on your 850 balancer. Do not attempt to install and setup the unit yourself. Accurate and reliable operation of your unit depends on proper installation. Please contact COATS® directly at 1-800-688-9240 for the Certified Service Partner nearest you. Floor and Space Requirements 6 Ft. 6 Ft.
Direct Drive 7. Locate the hood assembly. 8. Slide one flanged bearing onto the stationary hood bar; flange to cam (figure 3). 9. Locate the slot on the hood bracket labeled "Install Pin Here". The slot is covered by Styrofoam to separate and protect the mechanical switches, shown in figure 4, that are located inside the hood bracket. During installation the switch actuator rod (figure 5) located on the hood assembly can damage these switches if you are not careful. 10.
Direct Drive Connect to Power Your factory trained COATS® Service Technician should do the final check to verify the power installation before connecting the balancer to a power supply. Failure due to improper power connection will void the warranty. Connect the balancer to an appropriate electrical receptacle. Refer to Electrical Requirements on page 1.
Direct Drive Wheel Mounting The inner side of the wheel hub usually has the most uniform surface for wheel centering. For an accurate balance, always center the wheel by using the most uniform surface of the wheel hub. There are three ways to mount the tire onto the balancer. Review them before mounting the wheel to determine the appropriate mounting method. CAUTION Be sure the wheel is forced firmly against the arbor faceplate and the hub nut engages the arbor threads for at least four full turns.
Direct Drive Determining Wheel Measurements Before a wheel can be balanced, the computer balancer must know where the wheel weights will be placed in relation to the arbor shaft. The operator must enter into the computer three different wheel measurements (figure 11). Distance - A Cutaway of Tire and Wheel Diameter - D Arbor The first measurement is the distance of the inside of the wheel rim from the balancer. This location is called the inner plane.
Direct Drive Determining Balancing Mode Dynamic Balancing This is the default mode for the balancer. This mode places weights on both the inner and outer plane of the wheel. Static Balancing This mode determines the position for a single adhesive weight along the centerline of the wheel. Wheels balanced in this mode may wobble if the imbalance mass is large enough and off the centerline of the wheel width. Wobble caused by an off center imbalance can only be corrected by dynamic balancing of the wheel.
Direct Drive Balancing a Wheel 1. Mount the wheel using the appropriate mounting method. 2. Enter the A, W, and D measurements as described in Determining Wheel Measurements section. Note: These measurements must be entered into the balancer before attempting to balance a wheel. If any of the measurements remain at zero, the balancer will display the appropriate letter (A, W, or D) for the missing measurement in the left display. The right display will read ERR. 3. Select a balancing mode.
Direct Drive After Balance Vibration Checklist Drive the vehicle on a smooth road after balancing the wheels. If vibration is still present, remove the wheels and re-balance. If a wheel is out of balance, the cause may be: 1. A weight has come off the wheel. Remove the weights from the wheel and rebalance. If the balancer still indicates the wheels are balanced with 0.5 ounce on both inner and out displays, the problem is not in the balance of the wheel. 2. Tire pressure may be wrong.
Direct Drive Maintenance and Calibration Preventative Maintenance 1. Keep adapters, faceplate, threaded arbor, and hub nut clean. Grease and dirt build-up will result in premature wear and inaccurate balancing. Clean at least once a day with a vaporizing solvent. 2. Keep the balancer clean, remove all trash, old weights, and other items from the balancer and the operating area. 3. Only use approved standard and optional accessories with the balancer.
Direct Drive Error Messages and Function Codes Error Messages The following codes may appear in the weight displays to indicate a problem with the balancer. A ERR - The distance from the balancer to the inner rim of the wheel was not entered. Function Codes CODE 9 1 A - Perform Calibration CODE 0 3 A - Clear CODE 0 4 A - Toggle High Resolution Mode on/off W ERR - The width of the wheel was not entered. CODE 0 5 A - Toggle Gram/Ounce Mode on/off D ERR - The diameter of the wheel was not entered.
Direct Drive Notes 12 • COATS 850SS Wheel Balancer
Direct Drive Notes COATS 850SS Wheel Balancer • 13
8111812 08 06/08 © Copyright 1995, 1999, 2000 Hennessy Industries and COATS All Rights Reserved Printed in USA
