Hyster A186 Service Manual – PDF DOWNLOAD
FILE DETAILS:
Hyster A186 Service Manual – PDF DOWNLOAD
Language : English
Pages : 94
Downloadable : Yes
File Type : PDF
Size: 1.07 MB
TABLE OF CONTENTS:
Hyster A186 Service Manual – PDF DOWNLOAD
1600220......................................................................................... 1 INTRODUCTION................................................................................ 1 GENERAL................................................................................. 1 DESCRIPTION............................................................................. 1 OPERATION............................................................................... 1 CHECKS, ADJUSTMENTS AND TEST PROCEDURES..................................................... 2 GENERAL................................................................................. 2 CHECKS.................................................................................. 2 Automatic Checks.................................................................... 2 Program Memory Checksum......................................................... 2 Watchdog Reset.................................................................. 2 Normal Display...................................................................... 2 ADJUSTMENTS............................................................................. 3 General............................................................................. 3 SETUP PROCEDURES FOR EPS................................................................ 3 Adjustment of the Steering Chain.................................................... 3 Adjusting Limit Switches............................................................ 4 TEST PROCEDURES......................................................................... 5 Checking For Short-Circuit To Frame................................................. 5 General......................................................................... 5 Checks.......................................................................... 5 Steering Generator.................................................................. 5 Checks.......................................................................... 5 Electronic Control Module (ECM)..................................................... 6 General......................................................................... 6 Test Button, Display and LED's On The ECM........................................... 7 Checks.......................................................................... 7 Steering Potentiometer.............................................................. 7 Checks.......................................................................... 7 Steering Motor...................................................................... 8 Automatic Shut-Off Circuit.......................................................... 9 Test Point Checks...................................................................11 REPAIRS.....................................................................................11 STEERING GENERATOR......................................................................11 ECM.....................................................................................12 Replacing Complete Module...........................................................12 Replacing Logic Board...............................................................13 Replacing EPROM.....................................................................14 STEERING MOTOR AND SPEED REDUCER........................................................14 LIMIT SWITCHES..........................................................................16 STEERING POTENTIOMETER..................................................................16 SHUT-OFF BOARD..........................................................................16 TROUBLESHOOTING.............................................................................18 2200155.........................................................................................19 INTRODUCTION................................................................................19 GENERAL.................................................................................19 SRO CIRCUIT AND PMT CIRCUIT.................................................................20 STATIC RETURN TO OFF(SRO) CIRCUIT.......................................................20 PULSE MONITOR TRIP (PMT)................................................................20 THE SEQUENCE OF OPERATION...............................................................21 TROUBLESHOOTING.............................................................................21 GENERAL PROCEDURES......................................................................21 FAULT IN THE CONTROL CIRCUIT........................................................24 CHECKS AND REPAIRS..........................................................................39 GENERAL.................................................................................39 CHECK FOR THE CORRECT OPERATION.........................................................39 CONTROL AND POWER FUSES.................................................................40 CONTROL CARD............................................................................40 Removal.............................................................................42 Installation........................................................................42 SCRs....................................................................................42 An SCR "QUICK REF"..................................................................42 Checking An SCR.....................................................................42 The SCR 1 Assembly..................................................................44 Thermal Sensor......................................................................44 Checking SCR 1......................................................................44 Replacing The SCR 1 Assembly........................................................44 THE INDUCTOR AND CAPACITOR ASSEMBLY (THE "OFF" CIRCUIT FOR SCR 1).......................45 Checking The Transformer and Inductor Assembly......................................45 Checking the Supressors for the SCR 2 and SCR 5.....................................45 Checking the SCR 2 and SCR 5........................................................46 Replacing the SCR 2 and SCR 5.......................................................46 Checking The Capacitor C1...........................................................46 D3 And D4 Heat Sink Assembly........................................................46 Checking The Diodes D3 and D4.......................................................46 Replacing The Diodes D3 and D4......................................................47 MOTOR CURRENT SENSOR....................................................................47 THE ELECTRONIC DRIVER MODULE............................................................47 CONTACTORS..............................................................................48 "FORWARD" And "REVERSE" Contactors..................................................48 CONTACTOR REPAIR........................................................................49 Remove A Contactor Assembly.........................................................49 Contactor Contacts..................................................................49 Coil................................................................................49 CHECK THE PMT CIRCUIT...................................................................50 2200234.........................................................................................52 CHECKS AND ADJUSTMENTS......................................................................52 General.................................................................................52 Checks..................................................................................52 Adjustments.............................................................................54 REPAIRS.....................................................................................57 Replacing The Accelerator Card..........................................................57 Replacing The Accelerator Potentiometer.................................................58 Replacing The Main Hoist Control........................................................58 Replacing The Ledex Card................................................................59 Replacing The Attachment Switch.........................................................59 Replacing The Speed Reduction Potentiometers............................................59 Replacing The Power Disconnect Module...................................................60 2200317.........................................................................................61 INTRODUCTION................................................................................61 GENERAL.................................................................................61 DESCRIPTION.............................................................................61 OPERATION...............................................................................62 How To Operate The Wire Guidance System.............................................63 CHECKS, ADJUSTMENTS AND TEST PROCEDURES.................................................64 GENERAL.............................................................................64 CHECKS..............................................................................64 Automatic Checks................................................................65 ''PROGRAM MEMORY CHECKSUM''.........................................................65 ''WATCHDOG RESET''..................................................................65 ''DIRECTION INPUT ERROR''...........................................................65 Normal Display (Manual Steering)................................................65 Normal Display (Guidance Operation).............................................65 ADJUSTMENTS.........................................................................66 General.........................................................................66 SET UP PROCEDURES FOR WIRE GUIDANCE.................................................66 ADJUSTMENT PROCEDURES FOR WIRE GUIDANCE SYSTEM......................................67 Find The Centerline Of The Lift Truck...........................................67 Adjustment Of The Steering Potentiometer (EPROM Part No. Before 377725).........67 Adjustment Of The Steering Potentiometer (EPROM Part No. 377725 Or Later).......68 Adjustment Of The Steer Wheel Sensor............................................69 Adjustment For Operation Of The Guidance System In The Steer Wheel Direction....70 Adjustment Of The Load Wheel Sensor.............................................71 Adjustment For Operation Of The Guidance System In The Load Wheel Direction.....71 Adjustment Of Ratio Potentiometer...............................................71 TEST PROCEDURES.....................................................................72 Checking For Short-Circuits To The Frame........................................72 Guidance Button, Alarm and Guidance Light.......................................72 Circuit Board and Guidance Button...............................................73 Steering Generator..............................................................74 Electronic Control Module (ECM).................................................75 Checking ECM Power Transistors..................................................76 Test Button, Display and LEDs On The ECM........................................78 Steering Potentiometer..........................................................78 Steering Motor..................................................................79 Guidance Sensors................................................................80 Automatic Shut-Off Circuit......................................................82 Test Point Checks...............................................................83 ECM Signal Checks...............................................................84 8000238.........................................................................................86
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