AccuTurn 1200, 1400, 1500 Wheel Balancer Service Manual
HIGH PERFORMANCE 1200, 1400, 1500 are designed to compute static and dynamic imbalance of car, light truck, motorcycle and truck wheels. The Model 1200, 1400 and 1500 has a delay of approximately 8 to 10 seconds during power up. During the delay, the processor electronics are checking the status of all electronics. These components include the Encoder board, the transducers, the thermocouple, the power interface board, the display board, and the membrane switch. After the status check is complete (approximately 8-10 seconds) the units beeps, the displays all light up, and then the unit goes to the idle state and displays “dIS 115” The unit is now ready for parameter inputs and can take measurements.
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Service Manual
HIGH PERFORMANCE
WHEEL BALANCER
MODEL 1200, 1400, 1500
PN: 300935
APRIL, 2003
Model 1500
Model 1400
Model 1200
HIGH PERFORMANCE
WHEEL BALANCER
MODEL 1200, 1400, 1500
PN: 300935
APRIL, 2003
Model 1500
Model 1400
Model 1200
All information contained or disclosed in this document
is considered confidential and proprietary by Accu In-
dustries Inc. All manufacturing, use, reproduction, and
sales rights are reserved by Accu Industries Inc. and
the information contained herein shall not be used in
whole or in part without the express written consent of
Accu Industries Inc.
Accu•Turn is registered trademark of Accu-Indusries Inc.
is considered confidential and proprietary by Accu In-
dustries Inc. All manufacturing, use, reproduction, and
sales rights are reserved by Accu Industries Inc. and
the information contained herein shall not be used in
whole or in part without the express written consent of
Accu Industries Inc.
Accu•Turn is registered trademark of Accu-Indusries Inc.
Effective
04/2003
Table of Contents
INTRODUCTION
GENERAL .......................................................................................................................................................... I
FUNCTIONAL DESCRIPTION ........................................................................................................................... I
BASIC BALANCER OPERATION ................................................................................................................ I
WEIGHT APPLICATION .............................................................................................................................. I
ALU MODES ................................................................................................................................................ I
STATIC 1 AND 2 MODE .............................................................................................................................. I
DISPLAY / CONTROL PANEL ..................................................................................................................... I
GENERAL SPECIFICATIONS AND MACHINE FEATURES ............................................................................ II
IMPORTANT SAFETY INSTRUCTIONS ......................................................................................................... III
ELECTRICAL SAFETY PRECAUTIONS ........................................................................................................ IV
SERVICE GUIDELINES / HANDLING STATIC SENSITIVE PCB’S ................................................................ IV
CHAPTER 1 AC/DC POWER DISTRIBUTION
LOCKOUT AND/OR TAGOUT SYSTEM PROCEDURE ................................................................................ 1-1
ELECTRICAL REQUIREMENTS ................................................................................................................... 1-1
AC THEORY OF OPERATION ...................................................................................................................... 1-2
AC DISTRIBUTION .................................................................................................................................. 1-2
DRIVE MOTOR ........................................................................................................................................ 1-2
DC THEORY OF OPERATION ...................................................................................................................... 1-2
PROCESSOR BOARD ............................................................................................................................ 1-2
ENCODER BOARD ................................................................................................................................. 1-2
DISTANCE POTENTIOMETER (MODEL 1400, 1500) ............................................................................ 1-2
DIAMETER POTENTIOMETER (MODEL 1500, 1400) ............................................................................ 1-2
WIDTH POTENTIOMETER (MODEL 1500) ............................................................................................ 1-3
TRANSDUCERS ...................................................................................................................................... 1-3
DISPLAY BOARD .................................................................................................................................... 1-3
KEYPAD .................................................................................................................................................. 1-3
AUTO STOP LOCK SWITCH (MODEL 1500) ......................................................................................... 1-3
TROUBLESHOOTING ................................................................................................................................... 1-4
PROCESSOR PCB ........................................................................................................................................ 1-6
KEYPAD SCHEMATIC 1200 & 1400 ............................................................................................................ 1-10
KEYPAD SCHEMATIC 1500 ........................................................................................................................ 1-10
CHAPTER 2 THEORY OF OPERATION
FUNCTIONAL DESCRIPTION ....................................................................................................................... 2-1
BALANCER COMPONENTS ......................................................................................................................... 2-2
ELECTRONIC POWER BOX ................................................................................................................... 2-2
MAIN PROCESSOR PCB ........................................................................................................................ 2-2
KEYPAD .................................................................................................................................................. 2-2
DISPLAY PCB ......................................................................................................................................... 2-3
TEMPERATURE SENSOR ...................................................................................................................... 2-3
DRIVE MOTOR ........................................................................................................................................ 2-3
TRANSDUCERS ...................................................................................................................................... 2-3
SAPE (SEMI-AUTOMATIC-PARAMETER-ENTRY) ................................................................................ 2-3
ENCODER ............................................................................................................................................... 2-3
VIBRATORY SYSTEM ............................................................................................................................ 2-4
04/2003
Table of Contents
INTRODUCTION
GENERAL .......................................................................................................................................................... I
FUNCTIONAL DESCRIPTION ........................................................................................................................... I
BASIC BALANCER OPERATION ................................................................................................................ I
WEIGHT APPLICATION .............................................................................................................................. I
ALU MODES ................................................................................................................................................ I
STATIC 1 AND 2 MODE .............................................................................................................................. I
DISPLAY / CONTROL PANEL ..................................................................................................................... I
GENERAL SPECIFICATIONS AND MACHINE FEATURES ............................................................................ II
IMPORTANT SAFETY INSTRUCTIONS ......................................................................................................... III
ELECTRICAL SAFETY PRECAUTIONS ........................................................................................................ IV
SERVICE GUIDELINES / HANDLING STATIC SENSITIVE PCB’S ................................................................ IV
CHAPTER 1 AC/DC POWER DISTRIBUTION
LOCKOUT AND/OR TAGOUT SYSTEM PROCEDURE ................................................................................ 1-1
ELECTRICAL REQUIREMENTS ................................................................................................................... 1-1
AC THEORY OF OPERATION ...................................................................................................................... 1-2
AC DISTRIBUTION .................................................................................................................................. 1-2
DRIVE MOTOR ........................................................................................................................................ 1-2
DC THEORY OF OPERATION ...................................................................................................................... 1-2
PROCESSOR BOARD ............................................................................................................................ 1-2
ENCODER BOARD ................................................................................................................................. 1-2
DISTANCE POTENTIOMETER (MODEL 1400, 1500) ............................................................................ 1-2
DIAMETER POTENTIOMETER (MODEL 1500, 1400) ............................................................................ 1-2
WIDTH POTENTIOMETER (MODEL 1500) ............................................................................................ 1-3
TRANSDUCERS ...................................................................................................................................... 1-3
DISPLAY BOARD .................................................................................................................................... 1-3
KEYPAD .................................................................................................................................................. 1-3
AUTO STOP LOCK SWITCH (MODEL 1500) ......................................................................................... 1-3
TROUBLESHOOTING ................................................................................................................................... 1-4
PROCESSOR PCB ........................................................................................................................................ 1-6
KEYPAD SCHEMATIC 1200 & 1400 ............................................................................................................ 1-10
KEYPAD SCHEMATIC 1500 ........................................................................................................................ 1-10
CHAPTER 2 THEORY OF OPERATION
FUNCTIONAL DESCRIPTION ....................................................................................................................... 2-1
BALANCER COMPONENTS ......................................................................................................................... 2-2
ELECTRONIC POWER BOX ................................................................................................................... 2-2
MAIN PROCESSOR PCB ........................................................................................................................ 2-2
KEYPAD .................................................................................................................................................. 2-2
DISPLAY PCB ......................................................................................................................................... 2-3
TEMPERATURE SENSOR ...................................................................................................................... 2-3
DRIVE MOTOR ........................................................................................................................................ 2-3
TRANSDUCERS ...................................................................................................................................... 2-3
SAPE (SEMI-AUTOMATIC-PARAMETER-ENTRY) ................................................................................ 2-3
ENCODER ............................................................................................................................................... 2-3
VIBRATORY SYSTEM ............................................................................................................................ 2-4
TABLE OF CONTENTS
Effective
04/2003
CHAPTER 3 CHECKOUT, CALIBRATION AND MAINTENANCE
GENERAL ...................................................................................................................................................... 3-1
WHEEL SPIN FUNCTIONALITY ............................................................................................................. 3-1
BALANCING WITHOUT SLIP CHECK .................................................................................................... 3-1
SHAFT IMBALANCE, WHEEL ADAPTER TO SHAFT REMOUNT TEST ..................................................... 3-1
BALANCER DIAGNOSTICS (TROUBLESHOOTING) ................................................................................... 3-2
TROUBLESHOOT USING CORRECT DIAGNOSTICS PROCEDURES ....................................................... 3-2
TOOLS REQUIRED WHEN SERVICING THE ACCU BALANCERS ............................................................. 3-3
DEFINITION OF TERMS................................................................................................................................ 3-4
INPUT KEYS / DISPLAY WINDOWS ............................................................................................................ 3-5
GENERAL OPERATION .......................................................................................................................... 3-6
MANUAL DATA ENTRY .......................................................................................................................... 3-6
SAPE OPERATION ................................................................................................................................. 3-6
NON HWM SAPE DATA ENTRY ............................................................................................................. 3-7
HWM SAPE DATA ENTRY ...................................................................................................................... 3-7
SAPE WEIGHT APPLICATION ............................................................................................................... 3-7
3D SAPE (1500 ONLY) ............................................................................................................................ 3-7
SERVICE CODES .......................................................................................................................................... 3-8
ACCESSING THE SERVICE CODES ..................................................................................................... 3-8
C CODE DESCRIPTIONS ............................................................................................................................. 3-8
C4 UNBALANCE COMPENSATION (ALL MODELS) .............................................................................. 3-8
C7 VOLUME AND AUDIBLE TONES ...................................................................................................... 3-8
C11 STOP AT TOP (ONLY 1400 AND 1500) .......................................................................................... 3-8
C12 COUNTER INDICATION .................................................................................................................. 3-9
C14 USER CALIBRATION ....................................................................................................................... 3-9
C15 STICKY AT TOP (ONLY 1400, 1500) ............................................................................................... 3-9
C28 LAST 10 KERNEL ERROR MESSAGES ....................................................................................... 3-10
C43 RESET SPIN COUNTERS ............................................................................................................. 3-10
C47 CONFIGURE THE FLASH ............................................................................................................. 3-10
C66 - C67 ENGINEERING AND MANUFACTURING PURPOSES ....................................................... 3-10
C72 MECHANICAL PHASE SHIFT OF VIBRATORY SYSTEM ............................................................ 3-10
C74 INDICATION OF POSITION COUNTER (ENCODER INSPECTION) ............................................ 3-11
C75 ENGINEERING AND MANUFACTURING PURPOSES ................................................................. 3-11
C76 INDICATION OF ALL ADAPTED VOLTAGES AFTER CALIBRATION WITH C83 ........................ 3-11
C80 2D SAPE ARM CALIBRATION ...................................................................................................... 3-11
C81 SAPE ARM ZERO .......................................................................................................................... 3-12
C82 3D SAPE CALIBRATION ............................................................................................................... 3-13
C83 FACTORY CALIBRATION PROCEDURE ...................................................................................... 3-14
C84 COMPENSATION OF THE RESIDUAL MAIN SHAFT UNBALANCE ............................................ 3-15
C85 CALIBRATION DATA TRANSER FROM CPU PCB TO ENCODER PCB ................................... 3-16
C86 CALIBRATION DATA TRANSER FROM ENCODER PCB TO MAIN CPU PCB ........................... 3-16
C88 ANGULAR UNBALANCE POSITION ............................................................................................. 3-16
C111 MEASURING THE BELT TENSION ............................................................................................. 3-17
FACTORY CALIBRATION SEQUENCE ................................................................................................ 3-17
SERVICING THE BALANCER ..................................................................................................................... 3-18
CONTROL PANEL REMOVAL & REPLACEMENT ............................................................................... 3-18
MAIN PROCESSOR REPLACEMENT .................................................................................................. 3-18
TO ACCESS THE INSIDE OF THE MACHINE ...................................................................................... 3-19
POWER SUPPLY BOX .......................................................................................................................... 3-19
REMOVING THE POWER ENTRY MODULE: ...................................................................................... 3-19
INSTALLATION OF THE POWER ENTRY MODULE: .......................................................................... 3-19
VIBRATORY MEMBER REMOVAL ....................................................................................................... 3-21
VIBRATORY INSTALLATION ................................................................................................................ 3-21
ENCODER REMOVAL .......................................................................................................................... 3-21
DIAMETER SAPE / POTENTIOMETER MODEL 1400 & 1500 ............................................................. 3-22
Effective
04/2003
CHAPTER 3 CHECKOUT, CALIBRATION AND MAINTENANCE
GENERAL ...................................................................................................................................................... 3-1
WHEEL SPIN FUNCTIONALITY ............................................................................................................. 3-1
BALANCING WITHOUT SLIP CHECK .................................................................................................... 3-1
SHAFT IMBALANCE, WHEEL ADAPTER TO SHAFT REMOUNT TEST ..................................................... 3-1
BALANCER DIAGNOSTICS (TROUBLESHOOTING) ................................................................................... 3-2
TROUBLESHOOT USING CORRECT DIAGNOSTICS PROCEDURES ....................................................... 3-2
TOOLS REQUIRED WHEN SERVICING THE ACCU BALANCERS ............................................................. 3-3
DEFINITION OF TERMS................................................................................................................................ 3-4
INPUT KEYS / DISPLAY WINDOWS ............................................................................................................ 3-5
GENERAL OPERATION .......................................................................................................................... 3-6
MANUAL DATA ENTRY .......................................................................................................................... 3-6
SAPE OPERATION ................................................................................................................................. 3-6
NON HWM SAPE DATA ENTRY ............................................................................................................. 3-7
HWM SAPE DATA ENTRY ...................................................................................................................... 3-7
SAPE WEIGHT APPLICATION ............................................................................................................... 3-7
3D SAPE (1500 ONLY) ............................................................................................................................ 3-7
SERVICE CODES .......................................................................................................................................... 3-8
ACCESSING THE SERVICE CODES ..................................................................................................... 3-8
C CODE DESCRIPTIONS ............................................................................................................................. 3-8
C4 UNBALANCE COMPENSATION (ALL MODELS) .............................................................................. 3-8
C7 VOLUME AND AUDIBLE TONES ...................................................................................................... 3-8
C11 STOP AT TOP (ONLY 1400 AND 1500) .......................................................................................... 3-8
C12 COUNTER INDICATION .................................................................................................................. 3-9
C14 USER CALIBRATION ....................................................................................................................... 3-9
C15 STICKY AT TOP (ONLY 1400, 1500) ............................................................................................... 3-9
C28 LAST 10 KERNEL ERROR MESSAGES ....................................................................................... 3-10
C43 RESET SPIN COUNTERS ............................................................................................................. 3-10
C47 CONFIGURE THE FLASH ............................................................................................................. 3-10
C66 - C67 ENGINEERING AND MANUFACTURING PURPOSES ....................................................... 3-10
C72 MECHANICAL PHASE SHIFT OF VIBRATORY SYSTEM ............................................................ 3-10
C74 INDICATION OF POSITION COUNTER (ENCODER INSPECTION) ............................................ 3-11
C75 ENGINEERING AND MANUFACTURING PURPOSES ................................................................. 3-11
C76 INDICATION OF ALL ADAPTED VOLTAGES AFTER CALIBRATION WITH C83 ........................ 3-11
C80 2D SAPE ARM CALIBRATION ...................................................................................................... 3-11
C81 SAPE ARM ZERO .......................................................................................................................... 3-12
C82 3D SAPE CALIBRATION ............................................................................................................... 3-13
C83 FACTORY CALIBRATION PROCEDURE ...................................................................................... 3-14
C84 COMPENSATION OF THE RESIDUAL MAIN SHAFT UNBALANCE ............................................ 3-15
C85 CALIBRATION DATA TRANSER FROM CPU PCB TO ENCODER PCB ................................... 3-16
C86 CALIBRATION DATA TRANSER FROM ENCODER PCB TO MAIN CPU PCB ........................... 3-16
C88 ANGULAR UNBALANCE POSITION ............................................................................................. 3-16
C111 MEASURING THE BELT TENSION ............................................................................................. 3-17
FACTORY CALIBRATION SEQUENCE ................................................................................................ 3-17
SERVICING THE BALANCER ..................................................................................................................... 3-18
CONTROL PANEL REMOVAL & REPLACEMENT ............................................................................... 3-18
MAIN PROCESSOR REPLACEMENT .................................................................................................. 3-18
TO ACCESS THE INSIDE OF THE MACHINE ...................................................................................... 3-19
POWER SUPPLY BOX .......................................................................................................................... 3-19
REMOVING THE POWER ENTRY MODULE: ...................................................................................... 3-19
INSTALLATION OF THE POWER ENTRY MODULE: .......................................................................... 3-19
VIBRATORY MEMBER REMOVAL ....................................................................................................... 3-21
VIBRATORY INSTALLATION ................................................................................................................ 3-21
ENCODER REMOVAL .......................................................................................................................... 3-21
DIAMETER SAPE / POTENTIOMETER MODEL 1400 & 1500 ............................................................. 3-22
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Key Features
- Computes static and dynamic imbalance
- Handles car, light truck, motorcycle and truck wheels
- Processor electronics check
- Delay during power up
- Ready for parameter inputs
- Takes measurements
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Frequently Answers and Questions
What is the purpose of the AccuTurn Wheel Balancer?
The AccuTurn Wheel Balancer is designed to compute static and dynamic imbalance of car, light truck, motorcycle and truck wheels.
What are the models of the AccuTurn Wheel Balancer?
The AccuTurn Wheel Balancer comes in three models: 1200, 1400, and 1500.
What is the delay during power up of the AccuTurn Wheel Balancer?
The AccuTurn Wheel Balancer has a delay of approximately 8 to 10 seconds during power up.
What does the AccuTurn Wheel Balancer check during power up?
During the delay, the processor electronics are checking the status of all electronics, including the Encoder board, the transducers, the thermocouple, the power interface board, the display board, and the membrane switch.
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