Caterpillar NSP14N2I Lift Trucks Service Manual – PDF DOWNLOAD

Description

Caterpillar NSP14N2I Lift Trucks Service Manual – PDF DOWNLOAD

DESCRIPTION:

Caterpillar NSP14N2I Lift Trucks Service Manual – PDF DOWNLOAD

Foreword :
This service manual is a guide for servicing lift trucks.
The long productive life of your lift truck depends on regular and proper servicing, consistent with the instructions provided in this service manual.
Before starting to test, repair or rebuild a lift truck, read the respective sections of this manual carefully and familiarize yourself with all of the components.
The descriptions, illustrations and specifications contained in this manual are for lift trucks with serial numbers in effect at the time of printing.
The manufacturer reserves the right to change specifications or designs without notice
and without incurring obligations. For your convenience, the instructions are grouped by systems as an easy reference.
Unauthorized copying and lending of this material is strictly prohibited.

TABLE OF CONTENTS:

Caterpillar NSP14N2I Lift Trucks Service Manual – PDF DOWNLOAD

Contents 3
1 Foreword 8
2 How to read this manual 9
2 1 Safety-related signs 9
2 2 Symbols and abbreviations 9
2 2 1 Safety symbols 9
2 2 2 Other symbols and abbreviations 11
2 3 Units 11
3 Safety instructions 12
3 1 Service area safety 12
3 2 Personal safety 13
3 3 Work safety 13
4 General information 16
4 1 Truck model covered by this manual 16
4 2 Identification plates on the truck 16
4 3 Overview of the truck 18
4 3 1 Operating devices 18
4 3 2 Tiller arm 19
4 3 3 Control panel 22
4 3 4 Driving position 27
4 3 5 Driving direction 27
4 3 6 Motor and electrical system 28
4 3 7 Sensors 32
4 3 8 Mast unit 33
5 Mechanical maintenance 36
5 1 Lifting points 36
5 1 1 Jack points 36
5 1 2 Hoist points 37
5 2 Transportation 38
5 3 Ordering spare parts 38
5 4 Opening the covers 39
5 4 1 Front cover 40
5 4 2 Control panel 41
5 4 3 Battery cover 42
5 5 Transmission gear 42
5 6 Bogie bearing 43
5 7 Traction wheel 44
5 7 1 Disassembly of the traction wheel 45
5 7 2 Assembly of the traction wheel 47
5 8 Castor wheel 47
5 8 1 Adjusting the castor wheel 48
Copyright© 2013 by MCFE All rights reserved Revision: B Document ID: 616838 4 (322)
NSP Service Manual
5 8 2 Disassembly of the castor wheel unit 49
5 8 3 Disassembly of the castor wheel 50
5 8 4 Assembly of the castor wheel 50
5 9 Tiller arm 51
5 10 Tiller arm joint 53
5 11 Mast unit 57
5 11 1 Detailed construction 57
5 11 2 Mast unit maintenance 69
5 11 3 Lubricant and fluid recommendations 70
5 11 4 Removing the mast unit 70
5 11 5 Disassembly of the mast unit 85
5 11 6 Triplex mast with free lift 112
5 11 7 Inspecting the forks 123
5 11 8 Load wheels 129
5 11 9 Mast chains 130
5 11 10 Chain yoke 139
5 11 11 Guidance rollers 141
5 11 12 Main rollers 143
5 11 13 Free lift cylinder 145
5 11 14 Side cylinders 152
5 11 15 Initial lift cylinder 162
6 Electrical operation 165
6 1 Using the schematic diagram 165
6 2 Power source 168
6 3 Safety circuit (emergency stop button) 168
6 4 Key switch 168
6 5 Traction 169
6 6 AC motor operation 169
6 7 Sensorless operation 170
7 Battery maintenance 171
7 1 Safety regulations concerning the handling of lead-acid batteries 172
7 2 Battery maintenance 173
7 2 1 Daily maintenance 173
7 2 2 Weekly maintenance 173
7 2 3 Monthly maintenance 173
7 2 4 Annual maintenance 174
7 3 Recharging the battery 174
7 4 Measuring the battery’s specific gravity 177
7 5 Replacing the battery 177
8 Electric system maintenance 180
8 1 Tiller arm 180
8 1 1 Removing the tiller head 181
8 1 2 Removing the tiller head switches 183
8 1 3 Removing the safety button 184
8 1 4 Removing the accelerator 186
8 1 5 Installing the accelerator 188
Copyright© 2013 by MCFE All rights reserved Revision: B Document ID: 616838 5 (322)
NSP Service Manual
8 1 6 Removing the controller for lifting and lowering 189
8 1 7 Installing the controller for lifting and lowering 190
8 2 Electric panel 191
8 2 1 Removing the controller cover 192
8 2 2 Traction controller 193
8 2 3 Traction controller connectors 194
8 2 4 Contactors and relays 199
8 2 5 Fuses 200
8 2 6 Accessing the controller fan 201
8 3 Truck connector 203
8 3 1 Replacing the truck connector 203
8 4 Motor compartment 204
8 4 1 Removing the drive unit 205
8 4 2 Disassembly of the drive unit 205
8 4 3 Installation of the traction motor 206
8 4 4 Assembly of the splined shaft-hub connection 207
8 4 5 Temperature sensor check 208
8 4 6 Magnetic brake 209
8 5 Pump motor 210
8 5 1 Solenoid valve 211
8 6 Sensors 212
8 6 1 Tiller sensor 212
8 6 2 Initial lift upper limit sensor 214
8 7 Switches and buttons 215
8 7 1 Emergency stop button 215
8 7 2 Key switch 216
8 7 3 Tiller head microswitch 217
8 8 Horn 218
8 8 1 Diode test with a multimeter 218
8 9 Wiring harnesses and cables 219
8 9 1 Installing the traction motor cables 221
9 Electric system adjustments and measurements 223
9 1 Calibrating the accelerator 223
9 1 1 Acquiring the VACC with TruckTool 223
9 1 2 Acquiring the VACC without Truck Tool 224
9 2 Calibrating the controller for lifting and lowering 224
9 2 1 Acquiring the VACC with TruckTool 224
9 3 Insulation resistance test 225
9 3 1 Test voltage 225
9 3 2 Checking the insulation tester 226
9 3 3 Measuring the insulation resistance 226
10 Hydraulic operation 229
10 1 Hydraulic symbols 232
10 2 Hydraulic oil recommendations 234
10 3 Maintenance points of the hydraulic system 234
10 4 Hydraulic aggregate 235
10 4 1 Setting the lifting pressure 235
10 4 2 Disassembly of the hydraulic aggregate 237
Copyright© 2013 by MCFE All rights reserved Revision: B Document ID: 616838 6 (322)
NSP Service Manual
11 TruckTool Diagnostics 238
12 Parameter descriptions 239
12 1 Traction controller 239
13 Alarm codes 247
13 1 Traction controller 247
14 Service data 266
14 1 Special tightening torques 266
14 2 Tightening torque for standard bolts and nuts 267
14 3 Maintenance check list 269
14 4 Lubrication 272
14 4 1 Hydraulic oil 272
14 4 2 Transmission oil 272
14 5 Special tools 272
15 Options 274
15 1 Load support 275
15 1 1 Installation of the load support 275
15 1 2 Installation of the load support (masts with straddle fork) 276
15 2 Accessory rack 276
15 2 1 Installation of the accessory rack 277
15 2 2 Installation of the list bracket 278
15 2 3 Installation of the computer rack 279
15 2 4 Installation of the bottle rack 280
15 2 5 Installation of the pen rack 281
15 3 Voltage converter 282
15 3 1 Installation of the voltage converter 282
15 4 Battery connector 283
15 4 1 Replacing the battery connector 284
15 5 Charger connector 284
15 5 1 Replacing the charger connector 285
15 6 Internal charger and the internal charger connector 285
15 6 1 Installation of the internal charger and the internal charger connector 286
15 7 Abbot 288
15 7 1 Installation of the abbot 289
15 8 Hydraulic block valve 289
15 8 1 Installation of the hydraulic block valve 290
15 9 PIN code unit keyboard 291
15 9 1 Installation of the PIN code unit keyboard 291
15 9 2 Activating the truck with the PIN code 292
15 9 3 Programming a new PIN code 293
15 9 4 Driver Present mode 293
15 10 Driving speed reduction 294
15 10 1 Driving speed reduction sensor 294
16 Technical specification 301
Copyright© 2013 by MCFE All rights reserved Revision: B Document ID: 616838 7 (322)
NSP Service Manual
17 Index 311
APPENDIX A: Stickers 315

CATERPILLAR NSP14N2I LIFT TRUCKS SERVICE MANUAL – PDF DOWNLOAD:

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