BT Prime-Mover PMX QMX Electric Low Lift Pallet Truck Service Manual PN 302266-001 PDF

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BT Prime-Mover PMX QMX Electric Low Lift Pallet Truck Service Manual PN 302266-001 – PDF DOWNLOAD

FILE DETAILS:

BT Prime-Mover PMX QMX Electric Low Lift Pallet Truck Service Manual PN 302266-001 – PDF DOWNLOAD

Language : English
Pages : 316
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

BT Prime-Mover PMX QMX Electric Low Lift Pallet Truck Service Manual PN 302266-001 – PDF DOWNLOAD

Effective Serial Number _MX0027258001

Front Cover 1
BT Standard Codes 3
Warning Symbols 13
1 Warning Levels 13
Prohibitory Symbols 14
1 Ordinance Symbols 14
Introduction, Service Manual 15
Contents, Section M 17
1 Machine Information 17
General Product Information 19
1 Presentation of the PMX and QMX 19
1 1 Intended Application of the Trucks 19
1 2 Forbidden Application of the Trucks 20
1 3 Truck Data 20
1 4 PMX Dimensions 21
1 5 QMX Dimensions 22
1 6 Data Plate 23
2 Main Components 24
Inch (SAE) and Metric Fasteners 27
1 Introduction 27
2 Nomenclature, Threads 28
3 Strength Identification 29
4 Conversion of Metric and English Units 35
Technical Service Data 37
Ordering Spare Parts 41
Contents, Section P 43
1 Planned Maintenance 43
Introduction, Maintenance 45
1 Safe Jacking Procedure 45
Service Schedule 47
1 Planned Maintenance Schedule 47
2 Planned Maintenance Procedures 51
2 1 Services to be Performed Daily 51
2 1 1 Battery Discharge Indicator with slow down 51
2 1 2 Hydraulic System 51
2 1 3 Frame/Sheet Metal 52
2 1 4 Wheels/Tires 52
2 1 5 Functions/Operations 52
2 2 Services to be Performed Monthly 53
2 2 1 Inspection 53
2 2 2 Transmission 53
2 2 3 Brakes 53
2 2 4 Battery 53
2 2 5 Electrical Connections 53
2 2 6 Contactor Tips (NOT Sealed) 54
2 2 7 Motor Brushes 54
2 2 8 Drive Motor 54
2 2 9 Hydraulic Reservoir 54
2 2 10 Frame Lube (“Lubrication Chart” on page57) 54
2 2 11 Pivot Points 55
2 3 Services to be Performed Annually 56
2 3 1 Inspection 56
2 3 2 Transmission 56
2 3 3 Battery 56
2 3 4 Hydraulic System 56
2 3 5 Brakes 57
Lubrication Chart 59
Oil and Grease Specifications 61
1 Approved Oils and Grease 61
Contents, Section S 63
1 Service Instructions 63
Lift Frame 65
1 Pull rod 66
1 1 Removal 66
1 2 Inspection 67
1 3 Installation 68
2 Carrier Frame Bushings 70
Chassis 71
1 General Information 71
Drive Motor Mounting Points 73
1 Drive Motor Brush 74
1 1 Removal and Installation 74
2 Drive Motor Assembly 74
2 1 Remove 74
2 2 Installation 76
Drive Motor 79
1 General Information 79
2 Operating Conditions 79
3 Troubleshooting 79
12 Volt Drive Motor 85
1 Component Repair 86
1 1 Disassembly 86
2 Inspection and Troubleshooting 88
2 1 Drive End Head 88
2 2 Commutator End Head 88
2 3 Bearings 88
2 4 Brush and Commutator 89
2 5 Armature 89
2 6 Frame and Field Assembly 90
2 6 1 Testing 90
2 6 2 Frame and Field Service Notes 91
2 7 Assembly 92
2 7 1 Field Coil Installation 92
2 7 2 Bearing Installation 92
2 7 3 After Assembly 93
3 Changing Brushes 93
24 Volt Drive Motor 95
1 Component Repair 96
1 1 Disassembly 96
2 Inspection and Troubleshooting 97
2 1 Drive End Head 97
2 2 Commutator End Head 97
2 3 Bearings 97
2 4 Brush and Commutator 98
2 5 Armature 98
2 6 Frame and Field Assembly 99
2 6 1 Testing 99
2 6 2 Frame and Field Service Notes 100
2 7 Assembly 101
2 7 1 Field Coil Installation 101
2 7 2 Bearing Installation 101
2 7 3 After Assembly 102
3 Changing Brushes 102
Transmission 103
1 System Description 103
2 Troubleshooting 103
3 Axle Seal Removal and Installation 104
3 1 Removal 104
3 2 Installation 104
4 Transmission Removal/Installation 105
4 1 Removal 105
4 2 Installation 106
5 Transmission Assembly 107
5 1 Disassembly 108
5 2 Assembly 109
Parking Brake System 111
1 Brake Theory of Operation 112
2 Brake Adjustment 113
3 Brake Shoe Removal / Installation 114
Drive Wheel 115
3 1 Removal 115
3 2 Installation 116
Load Wheels 117
1 Removal/Installation 117
Steering 119
1 Control Handle Head 119
1 1 Removal 119
1 2 Installation 120
Steering Handle Head 121
1 Control Handle Head 123
1 1 Removal 123
1 2 Installation 123
2 Direction Control Switches 124
3 Horn, Raise, and Lower Switches 125
4 Potentiometer 127
Swing Out Battery Pack 129
1 Charger Diagram 129
2 Battery Cable routing diagram 130
3 Troubleshooting 131
3 1 Electrical testing 131
3 1 1 Equipment required: 131
3 1 2 Instructions 131
GNB Battery Pack 137
1 General Information 137
2 Troubleshooting 139
2 1 Troubleshooting Symptoms 140
Battery Controller / Hourmeter / Lift Interrupt 143
1 General Information 143
2 Electrical 143
2 1 Voltage 143
2 1 1 The Contact Voltage and Current Ratings for Switching Resistive Loads 144
2 1 2 Memory Retention 144
3 Battery Controller (BC) 144
3 1 General Information 144
3 1 1 Discharge Adjustment 144
3 2 Reset 146
3 3 Key Switch 146
3 4 Hourmeter 147
4 Troubleshooting 147
4 1 Battery Discharge Indicator (BDI) 147
4 1 1 No Reset 147
4 1 2 Reset After Break in Power 147
4 1 3 No Discharge, Gauge Does Not Run Down 148
4 1 4 No Lockout 148
4 1 5 No Lift 148
4 1 6 Early Lockout 149
4 1 7 LEDs Do Not Light 149
4 2 Hourmeter 149
4 2 1 No Display 149
4 2 2 Hourmeter Glass Icon Does Not Flash 149
4 2 3 Hourmeter Glass Icon Always Flashes 150
Battery Discharge Indicator / Hourmeter 151
1 General Information 151
2 Electrical 151
2 1 Voltage 151
3 Battery Discharge Indicator (BDI) 152
3 1 General Information 152
3 2 Key Switch 152
3 3 Hourmeter 152
4 Troubleshooting 153
4 1 Battery Discharge Indicator (BDI) 153
4 1 1 No Reset 153
4 1 2 Reset After Break in Power 153
4 1 3 No Discharge, Gauge Does Not Run Down 154
4 1 4 LEDs Do Not Light 154
4 2 Hourmeter 154
4 2 1 No Display 154
4 2 2 Hourmeter Glass Icon Does Not Flash 154
4 2 3 Hourmeter Glass Icon Always Flashes 155
PMX 12 Volt Electrical System 157
1 Electrical Panel Components 157
1 1 Electrical Schematic 158
1 2 Electrical Schematic Symbols 159
PMX 12 Volt Transistor Controller 161
1 Maintenance 161
1 1 Safety 161
1 2 Cleaning 161
1 3 Troubleshooting 162
2 Basics Of Circuit Operation 164
2 1 Battery connected and emergency disconnect switch in the “RUN” position 164
2 2 Key switch turned “ON” 164
2 3 Control handle pulled down; brakes released and brake interlock switch closed 165
2 4 Reverse travel (fork direction) switch is closed 165
2 5 Forward travel (control handle direction) switch is closed 166
2 6 Curtis® PMC controller power circuits 166
2 7 Accelerator Potentiometer Circuits 167
2 8 Emergency Reverser Switch 168
2 9 Lift Pallet Forks 168
2 10 Lower pallet forks 169
2 11 Controller Adjustments 170
PMX 12 Volt Transistor Controller Troubleshooting 171
1 Troubleshooting Chart Index 171
2 Troubleshooting Charts 172
Contactor, Direction 191
1 Maintenance 192
1 1 Removal/Replacement of Contact Tips 192
PMX 24 Volt Electrical System 195
1 Electrical Panel Components 195
2 List of Symbols 196
2 1 Circuit Diagram 1(3) 198
2 2 Circuit Diagram 2(3) 199
2 3 Circuit Diagram 3(3) 200
3 Description of Function 201
3 1 General Information 201
3 2 References Information 201
3 3 Key Switch S17 in the ON Position 201
3 4 The Operating Arm in Drive Position, S10, Brake Switch Closed 201
3 5 Driving, Fork Direction 201
3 6 Driving, Steer Wheel Direction 202
3 7 Reversing/Motor Brake Fork Direction to Steer Wheel Direction 202
3 8 Reversing/Motor Brake Steer Wheel Direction to Fork Direction 202
3 9 Reverser switch 202
3 10 Lifting the Forks 203
3 11 Lowering the Forks 203
3 12 Horn 203
3 13 Lift Interrupt 203
PMX 24 Volt, Transistor Controller 205
1 Maintenance 205
1 1 Safety 205
1 2 Cleaning 205
1 3 Diagnostics and Troubleshooting 206
1 3 1 Handset Diagnostics 206
1 3 2 Troubleshooting 206
2 Basics Of Circuit Operation 208
2 1 Control Features 210
3 Motor Circuit 212
4 Control Circuit 212
5 Diagnostics and Troubleshooting 214
5 1 1307 Programmer Diagnostics 214
5 2 Troubleshooting Chart 215
5 3 Technical Specification 219
5 4 Troubleshooting Chart Using the Handset 220
PMX 24 Volt, Transistor Controller Troubleshooting 223
1 Troubleshooting Chart Index 223
2 Troubleshooting Charts 224
QMX 24 Volt Electrical System 235
1 Electrical Panel Components 235
2 List of Symbols 236
2 1 Circuit Diagram 1(3) 238
2 2 Circuit Diagram 2(3) 239
2 3 Circuit Diagram 3(3) 240
3 Description of Function 241
3 1 General Information 241
3 2 References Information 241
3 3 Key Switch S17 in the ON Position 241
3 4 The Operating Arm in Drive Position, S10, Brake Switch Closed 241
3 5 Driving, Fork Direction 241
3 6 Driving, Steer Wheel Direction 242
3 7 Reversing/Motor Brake Fork Direction to Steer Wheel Direction 242
3 8 Reversing/Motor Brake Steer Wheel Direction to Fork Direction 242
3 9 Reverser switch 242
3 10 Lifting the Forks 243
3 11 Lowering the Forks 243
3 12 Horn 243
3 13 High Speed Switch 243
3 14 Lift Interrupt 244
QMX 24 Volt,Transistor Controller 245
1 Maintenance 245
1 1 Safety 245
1 2 Cleaning 245
1 3 Diagnostics and Troubleshooting 246
1 3 1 Handset Diagnostics 246
1 3 2 Troubleshooting 246
2 Basics Of Circuit Operation 248
2 1 Control Features 250
3 Motor Circuit 252
4 Control Circuit 252
5 Diagnostics and Troubleshooting 254
5 1 1307 Programmer Diagnostics 254
5 2 Troubleshooting Chart 255
5 3 Technical Specification 259
5 4 Troubleshooting Chart Using the Handset 260
QMX 24 Volt, Transistor Controller Troubleshooting 263
1 Troubleshooting Chart Index 263
2 Troubleshooting Charts 264
Handset Operation 278
1 Operating Modes 280
2 Revert to Previous Settings 284
3 Handset Self Test 284
Pump Motor 285
1 Component Repair 286
1 1 Motor Disassembly 286
2 Inspection and Troubleshooting 288
2 1 Drive End Head 288
2 2 Commutator End Head 288
2 3 Bearings 288
2 4 Brush and Commutator 289
2 5 Armature 289
2 6 Frame and Field Assembly 290
2 6 1 Testing 290
2 6 2 Frame and Field Service Notes 291
2 7 Assembly 292
2 7 1 Field Coil Installation 292
2 7 2 Bearing Installation 292
2 7 3 After Assembly 293
3 Changing Brushes 293
Hydraulic System 295
1 Hydraulic Schematic 295
2 General Information 295
3 Description 296
3 1 Lift 296
3 2 Lower 296
3 3 Relief Pressure 296
4 Maintenance 297
5 Adjustments 297
6 Lift Limit Switch 297
7 Troubleshooting 299
Lift Pump Assembly 301
1 Removal 303
2 Disassembly 304
3 Inspection 305
4 Assembly 306
5 Installation 308
6 Adjustments 310
6 1 Relief valve 310
6 2 Solenoid Operated Valve 311
Lift Cylinder 313
1 Cylinder Repair 314
1 1 Removal 314
1 2 Disassembly 314
1 3 Inspection 315
1 4 Assembly 315
1 5 Installation 315

S.V 04/02/2025