Jlg M450 ANSI Service Manual Manuale Utente Scaricare il pdf (Pagina 255)

SECTION 7 - BASIC TROUBLESHOOTING, ELECTRICAL INFORMATION, & SCHEMATICS

3121127 – JLG Lift – 7-41

2792505E

Figure 7-29. Hydraulic Schematic - M450AJ/E450AJ - Sheet 2 of 2

1 2 ... 250 251 252 253 254 255 256 257 258

P/N - 3121127 1
A GENERAL 3
B HYDRAULIC SYSTEM SAFETY 3
C MAINTENANCE 3
REVISON LOG 4
TABLE OF CONTENTS 5
10
LIST OF FIGURES 11
SECTION 1. SPECIFICATIONS 15
1.6 DRIVE SYSTEM 16
ASSEMBLY 16
1.8 GENERATOR 16
1.9 FUNCTION SPEEDS 16
1.10 PRESSURE SETTINGS 17
1.11 TORQUE SPECIFICATIONS 18
Hydraulic Oil 18
1.16 SERIAL NUMBER LOCATIONS 19
1.14 CYLINDER SPECIFICATIONS 19
1.15 MAJOR COMPONENT WEIGHTS 19
SECTION 1 - SPECIFICATIONS 20
LUBRICATION 21
SOCKET HEAD CAP SCREWS 26
Magni Coating (Ref 4150701)* 30
SECTION 2. GENERAL 31
2.2 SERVICE AND GUIDELINES 32
Safety and Workmanship 32
Cleanliness 32
SECTION 2 - GENERAL 33
3121127 – JLG Lift – 2-9 39
3121127 – JLG Lift – 3-1 41
3.2 SPINDLE 42
Specifications 42
Checking 42
Greasing Requirements 42
3121127 – JLG Lift – 3-3 43
3.3 DRIVE HUB 44
PART NO. 2780236 44
3121127 – JLG Lift – 3-5 45
3-6 – JLG Lift – 3121127 46
3121127 – JLG Lift – 3-7 47
3.4 DRIVE BRAKE - MICO 48
Bleeding 48
3121127 – JLG Lift – 3-9 49
3-10 – JLG Lift – 3121127 50
3.5 SPEED SENSOR ADJUSTMENT 51
Adjustment Procedure 51
3-12 – JLG Lift – 3121127 52
3121127 – JLG Lift – 3-13 53
3-14 – JLG Lift – 3121127 54
3121127 – JLG Lift – 3-15 55
3-16 – JLG Lift – 3121127 56
3121127 – JLG Lift – 3-17 57
3-18 – JLG Lift – 3121127 58
3.6 POSITRAC/TILT MODULE 59
3-20 – JLG Lift – 3121127 60
3121127 – JLG Lift – 3-21 61
3-22 – JLG Lift – 3121127 62
3121127 – JLG Lift – 3-23 63
Disassembly and Inspection 64
3121127 – JLG Lift – 3-25 65
3-26 – JLG Lift – 3121127 66
3121127 – JLG Lift – 3-27 67
3-28 – JLG Lift – 3121127 68
3121127 – JLG Lift – 3-29 69
3121127 – JLG Lift – 3-31 71
3-32 – JLG Lift – 3121127 72
3121127 – JLG Lift – 3-33 73
3-34 – JLG Lift – 3121127 74
3121127 – JLG Lift – 3-35 75
3-36 – JLG Lift – 3121127 76
One Piece Stator Construction 77
Two Piece Stator Construction 78
Final Checks 78
3.8 SWING BEARING 79
Wear Tolerance 80
Replacement of Swing Bearing 81
3-42 – JLG Lift – 3121127 82
Swing Bearing Torque Value 83
Checking Worm Gear End Play 83
Adjusting End Play 83
3-44 – JLG Lift – 3121127 84
3.9 BATTERY MAINTENANCE AND 85
CHARGING 85
Optional On Board Generator 85
3-46 – JLG Lift – 3121127 86
3121127 – JLG Lift – 3-47 87
TO PRESENT) 88
Operating Instructions 88
Maintenance Instructions 88
Battery Charger Fault Codes 88
3121127 – JLG Lift – 3-49 89
3-50 – JLG Lift – 3121127 90
NO LIGHTS AT ALL 90
FAULT LED FLASHING 90
3121127 – JLG Lift – 3-51 91
Algorithm 92
3121127 – JLG Lift – 3-53 93
3-54 – JLG Lift – 3121127 94
Timing Sequences 95
Alarms and Fault Flash Codes 96
3121127 – JLG Lift – 3-57 97
3-58 – JLG Lift – 3121127 98
Priming the Fuel Line 99
3-60 – JLG Lift – 3121127 100
Start Battery 102
Engine Starter 102
Start Control Relay 102
Fuel Control Relay 103
Glow Plug Control Relay 103
Glow Plug 103
Fuel Pump 104
Fuel Solenoid 104
Engine Oil Temperature Sensor 104
Engine Speed Sensor 105
System Controls 106
System Settings 106
RBS Start RBS shutdown 107
RBS Alarms and Flash Codes 108
Resetting the RBS Controller 108
Maintenance Schedule 108
Troubleshooting 109
3-70 – JLG Lift – 3121127 110
Tools And Material 111
Procedure 111
3-72 – JLG Lift – 3121127 112
4.1 BOOM MAINTENANCE 113
Disassembly 113
Inspection 114
Assembly 114
Installation 115
4.3 MID BOOM LIFT CYLINDER 116
4.4 LOWER BOOM LIFT CYLINDER 117
BLEEDING PROCEDURE 119
4.7 WEAR PADS 119
4.8 BOOM LIMIT SWITCHES 120
3121127 – JLG Lift – 4-9 121
4-10 – JLG Lift – 3121127 122
4.9 ARTICULATING JIB BOOM 123
4.10 LOAD SENSING SYSTEM 124
Calibration 124
4.12 FOOTSWITCH ADJUSTMENT 124
4.13 HELAC ROTARY ACTUATOR 125
Theory Of Operation 125
4-14 – JLG Lift – 3121127 126
3121127 – JLG Lift – 4-15 127
3121127 – JLG Lift – 4-17 129
4-18 – JLG Lift – 3121127 130
3121127 – JLG Lift – 4-21 133
4-22 – JLG Lift – 3121127 134
3121127 – JLG Lift – 4-23 135
Testing the Actuator 136
3121127 – JLG Lift – 4-25 137
Installation and Bleeding 138
4.14 POWERTRACK MAINTENANCE 140
Removing a Link 140
3121127 – JLG Lift – 4-29 141
4-30 – JLG Lift – 3121127 142
Installing a New Link 143
4-32 – JLG Lift – 3121127 144
3121127 – JLG Lift – 4-33 145
4-34 – JLG Lift – 3121127 146
3121127 – JLG Lift – 4-35 147
Replacing Fixed End Brackets 148
3121127 – JLG Lift – 4-37 149
Replacing Moving End Brackets 150
3121127 – JLG Lift – 4-39 151
4-40 – JLG Lift – 3121127 152
SECTION 5. HYDRAULICS 153
Dip Method 154
Spray Method 154
Brush-on Method 154
SECTION 5 - HYDRAULICS 155
5.4 CYLINDER REPAIR 156
Cleaning and Inspection 157
Platform Level Down Relief 173
Steer Relief 173
Jib Lift (Up and Down) Relief 173
Releveling Valve Relief 173
INSTRUCTIONS 179
Introduction 179
Using the Analyzer 180
Analyzer 181
Machine Setup 183
6-6 – JLG Lift – 3121127 184
3121127 – JLG Lift – 6-7 185
6-8 – JLG Lift – 3121127 186
3121127 – JLG Lift – 6-9 187
Machine Personality Settings 188
3121127 – JLG Lift – 6-11 189
4150285-8 190
4150286-9 191
Level Vehicle Description 192
Flash Code Description 193
6-16 – JLG Lift – 3121127 194
3121127 – JLG Lift – 6-17 195
6-18 – JLG Lift – 3121127 196
3121127 – JLG Lift – 6-19 197
6-20 – JLG Lift – 3121127 198
3121127 – JLG Lift – 6-21 199
6-22 – JLG Lift – 3121127 200
3121127 – JLG Lift – 6-23 201
6-24 – JLG Lift – 3121127 202
3121127 – JLG Lift – 6-25 203
System Self Test 204
3121127 – JLG Lift – 6-27 205
6-28 – JLG Lift – 3121127 206
3121127 – JLG Lift – 6-29 207
6-30 – JLG Lift – 3121127 208
3121127 – JLG Lift – 6-31 209
6-32 – JLG Lift – 3121127 210
3121127 – JLG Lift – 6-33 211
6-34 – JLG Lift – 3121127 212
3121127 – JLG Lift – 6-35 213
6-36 – JLG Lift – 3121127 214
7.1 GENERAL 215
7.2 TROUBLESHOOTING 215
7-2 – JLG Lift – 3121127 216
3121127 – JLG Lift – 7-3 217
7-4 – JLG Lift – 3121127 218
3121127 – JLG Lift – 7-5 219
7-6 – JLG Lift – 3121127 220
3121127 – JLG Lift – 7-7 221
7-8 – JLG Lift – 3121127 222
3121127 – JLG Lift – 7-9 223
7-10 – JLG Lift – 3121127 224
3121127 – JLG Lift – 7-11 225
7-12 – JLG Lift – 3121127 226
3121127 – JLG Lift – 7-13 227
7-14 – JLG Lift – 3121127 228
3121127 – JLG Lift – 7-15 229
7-16 – JLG Lift – 3121127 230
3121127 – JLG Lift – 7-17 231
7-18 – JLG Lift – 3121127 232
3121127 – JLG Lift – 7-19 233
Resistance Measurement 234
Continuity Measurement 234
Current Measurement 235
7.4 CHECKING SWITCHES 235
Basic Check 235
Limit Switches 235
Automatic Switches 236
COMPOUND TO ELECTRICAL 236
CONNECTIONS 236
7.6 AMP CONNECTOR 237
AMP Connectors 237
7-24 – JLG Lift – 3121127 238
Wedge Lock 239
Service - Voltage Reading 239
7-26 – JLG Lift – 3121127 240
7.7 DEUTSCH CONNECTORS 241
DT/DTP Series Assembly 241
DT/DTP Series Disassembly 241
HD30/HDP20 Series Assembly 242
HD30/HDP20 Series Disassembly 242
3121127 – JLG Lift – 7-29 243
7-30 – JLG Lift – 3121127 244
3121127 – JLG Lift – 7-31 245
7-32 – JLG Lift – 3121127 246
1870227E 247
7-34 – JLG Lift – 3121127 248
3121127 – JLG Lift – 7-35 249
7-36 – JLG Lift – 3121127 250
1870227 E 251
7-38 – JLG Lift – 3121127 252
3121127 – JLG Lift – 7-39 253
7-40 – JLG Lift – 3121127 254
3121127 – JLG Lift – 7-41 255
7-42 – JLG Lift – 3121127 256
JLG Worldwide Locations 258

Commenti su questo manuale

Nessun commento

Jlg M450 ANSI Service Manual Manuale Utente Pagina 255

Commenti su questo manuale

Prodotti e manuali riguardandi Macchinari speciali Jlg M450 ANSI Service Manual