HENNESSY INDUSTRIES COATS 1055 User Manual

48 pages

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P.O. Box 3002, 1601 J. P. Hennessy Drive, LaVergne, TN USA 37086 615/641-7533 800/688-6359 Manual Part: 9111123 03

HENNESSY INDUSTRIES INC. Manufacturer of AMMCO

, COATS

and BADA

Automotive Service Equipment and Tools. Revision: 11/05

Service Manual and

Troubleshooting Guide

950/1025/1050/1055

950 ProRacer

Computer Wheel Balancers

Default Chapter3
- Table of Contents3
Introduction5
Safety Notes5
Servicing5
Equipment Needed5
Voltage & Phase Checking Procedure6
Preliminary Inspection7
Functional Checks7
- Operational Check7
- Accuracy Check (Plane Separation)7
- Rotational Check (Use a Hub Centric Wheel)8
Calibration Procedures8
- Weight Sensor Calibration8
- A & D Arm Calibration (Code 10)8
- Stop-On-Top Calibration (Code 20/21)9
- Distance Gauge Tape Placement (Optimize A)9
Error Codes9
Function Codes10
Troubleshooting Section for Models 950,1025,1050 & 1055 Balancers11
- Introduction11
- Fan Motor Does Not Run (Contactor Model)12
- Accuracy Problems (Plane Separation)12
- Rotational Problems13
- Controller Model)13
- Repeatability Problems14
- Controller Model)14
- Display Does Not Light (Contactro Model)15
- Balancer Does Not Cycle (Contactor Model)16
- Balancer Does Not Brake (Contactor Model)18
- A & D Arm Problems20
Checking Procedures *Bridge Rectifiers21
- Optical Encoder (Code 44)21
- Motor Circuit Testing21
- Motor Circuit Diagram22
- Piezo Output23
Replacement Procedures Section for Models 950,1025, 1050, & 1055 Balancers24
- Front Panel/Printed Circuit Board Assembly24
- Contactor Coil Resistance Measurement24
- Replacement24
- Touch Panel/Aluminum Back Panel and PCB Assembly24
- Hood Magnet25
- Magnetic Hood Switch25
- Mechanical Hood/Interlock Switch25
- On/Off Switch25
- Circuit Breakers25
- Transformer26
- Contactor26
- Auxiliary Contactor Block26
- Bridge Rectifiers26
- A & D Arm Assembly27
- Fan Motor Assembly27
- Rotary Shutter27
- Optical Encoder Assembly27
- Drive Motor Assembly28
- Piezo Assembly28
- Capacitor Assembly29
- Capacitor29
- Signal Harness29
Repair Procedures for the a & D Arm Assembly30
- A Pulley Removal30
- A Pulley Installation/Adjustment (Code 10)30
- A Potentiometer Replacement30
- D Pulley Removal30
- D Pulley Installation/Adjustment (Code 10)31
- D Potentiometer Replacement31
Motor Service Kit Instructions32
950 Pro Racer32
- 950 Pro Racer Wiring Diagram33
950 Wiring Diagram (Contactor Style)34
1050 Wiring Diagram (Contactor Style)35
Solid State Wiring Diagrams & Troubleshooting Guides36
- For Units Produced after 1/1/9836
- Mechanical Hood Switches36
- Mechanical Hood Switch Diagram37
- 1050 Wiring Diagram (Motor Controller Style/Magnetic Switches)38
- 1050 Wiring Diagram (Motor Controller Style/Mechanical Switches)40
- Motor Controller Test Box #811270842
- Display Does Not Light (Solid State Motor Controller Model)43
- Balancer Does Not Cycle (Solid State Motor Controller Model)44
- Balancer Does Not Brake (Solid State Motor Controller Model)45
PCB Checklist Addendum46
- Diode Test46
- IC Test46
Glossary of Terms47

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HENNESSY INDUSTRIES COATS 1055 Specifications

General

Type	Wheel Balancer
Max Wheel Width	20 inches
Power Supply	110V, 1Ph, 60Hz
Weight	250 lbs
Accuracy	± 1 gram
Max. Wheel Weight	150 lbs
Weight Display	Digital
Wheel Width Range	1.5 to 20 inches
Power Requirements	110V, 60Hz
Balancing Modes	Dynamic, Static

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