Jlg 601S Service Manual User Manual Page 5
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INTRODUCTION
3120866 – JLG Lift – A-1
SECTION A. INTRODUCTION - MAINTENANCE SAFETY
PRECAUTIONS
AGENERAL
This section contains the general safety precautions which
must be observed during maintenance of the aerial plat
-
form. It is of utmost importance that maintenance person-
nel pay strict attention to these warnings and precautions
to avoid possible injury to themselves or others, or dam
-
age to the equipment. A maintenance program must be
followed to ensure that the machine is safe to operate.
MODIFICATION OF THE MACHINE WITHOUT CERTIFICATION BY
A RESPONSIBLE AUTHORITY THAT THE MACHINE IS AT LEAST
AS SAFE AS ORIGINALLY MANUFACTURED, IS A SAFETY VIOLA-
TION.
The specific precautions to be observed during mainte-
nance are inserted at the appropriate point in the manual.
These precautions are, for the most part, those that apply
when servicing hydraulic and larger machine component
parts.
Your safety, and that of others, is the first consideration
when engaging in the maintenance of equipment. Always
be conscious of weight. Never attempt to move heavy
parts without the aid of a mechanical device. Do not allow
heavy objects to rest in an unstable position. When raising
a portion of the equipment, ensure that adequate support is
provided.
SINCE THE MACHINE MANUFACTURER HAS NO DIRECT CON-
TROL OVER THE FIELD INSPECTION AND MAINTENANCE,
SAFETY IN THIS AREA RESPONSIBILITY OF THE OWNER/OPER
-
ATOR.
B HYDRAULIC SYSTEM SAFETY
It should be noted that the machines hydraulic systems
operate at extremely high potentially dangerous pressures.
Every effort should be made to relieve any system pres
-
sure prior to disconnecting or removing any portion of the
system.
Relieve system pressure by cycling the applicable control
several times with the engine stopped and ignition on, to
direct any line pressure back into the reservoir. Pressure
feed lines to system components can then be disconnected
with minimal fluid loss.
CMAINTENANCE
FAILURE TO COMPLY WITH SAFETY PRECAUTIONS LISTED IN
THIS SECTION MAY RESULT IN MACHINE DAMAGE, PERSONNEL
INJURY OR DEATH AND IS A SAFETY VIOLATION.
• NO SMOKING IS MANDATORY. NEVER REFUEL DUR-
ING ELECTRICAL STORMS. ENSURE THAT FUEL
CAP IS CLOSED AND SECURE AT ALL OTHER
TIMES.
• REMOVE ALL RINGS, WATCHES AND JEWELRY
WHEN PERFORMING ANY MAINTENANCE.
• DO NOT WEAR LONG HAIR UNRESTRAINED, OR
LOOSE-FITTING CLOTHING AND NECKTIES WHICH
ARE APT TO BECOME CAUGHT ON OR ENTANGLED
IN EQUIPMENT.
• OBSERVE AND OBEY ALL WARNINGS AND CAU-
TIONS ON MACHINE AND IN SERVICEMANUAL.
• KEEP OIL, GREASE, WATER, ETC. WIPED FROM
STANDING SURFACES AND HAND HOLDS.
• USE CAUTION WHEN CHECKING A HOT, PRESSUR-
IZED COOLANT SYSTEM.
• NEVER WORK UNDER AN ELEVATED BOOM UNTIL
BOOM HAS BEEN SAFELY RESTRAINED FROM ANY
MOVEMENT BY BLOCKING OR OVERHEAD SLING,
OR BOOM SAFETY PROP HAS BEEN ENGAGED.
• BEFORE MAKING ADJUSTMENTS, LUBRICATING OR
PERFORMING ANY OTHER MAINTENANCE, SHUT
OFF ALL POWER CONTROLS.
• BATTERY SHOULD ALWAYS BE DISCONNECTED-
DURING REPLACEMENT OF ELECTRICAL COMPO-
NENTS.
• KEEP ALL SUPPORT EQUIPMENT AND ATTACH-
MENTS STOWED IN THEIR PROPER PLACE.
• USE ONLY APPROVED, NONFLAMMABLE CLEANING
SOLVENTS.
- P/N - 3120866 1
- ADE System Identification 3
- – JLG Lift – 4
- PRECAUTIONS 5
- REVISON LOG 6
- (Continued) 10
- TABLE OF CONTENTS 11
- SECTION 1. SPECIFICATIONS 17
- 1-2 – JLG Lift – 3120866 18
- SECTION 1 - SPECIFICATIONS 19
- Te st N o tes 19
- 1.5 TORQUE REQUIREMENTS 19
- 1.6 LUBRICATION 20
- Ford LRG425 Engine 20
- Deutz F3M1011F Engine 20
- Hydraulic Oil 21
- Lubrication Specifications 21
- 1.7 PRESSURE SETTINGS 21
- 1.8 CYLINDER SPECIFICATIONS 22
- 1.9 MAJOR COMPONENT WEIGHTS 22
- 1.11 SERIAL NUMBER LOCATIONS 23
- SECTION 2. GENERAL 27
- 2-2 – JLG Lift – 3120866 28
- 3120866 – JLG Lift – 2-3 29
- 2-4 – JLG Lift – 3120866 30
- 3120866 – JLG Lift – 2-5 31
- 2-6 – JLG Lift – 3120866 32
- SECTION 2 - GENERAL 33
- 2.8 AMP CONNECTOR 33
- AMP Connectors 33
- Wedge Lock 35
- Service - Voltage Reading 35
- 3.1 TORQUE HUB, DRIVE 41
- 3-2 – JLG Lift – 3120866 42
- 3120866 – JLG Lift – 3-3 43
- 3120866 – JLG Lift – 3-5 45
- 3-6 – JLG Lift – 3120866 46
- 3120866 – JLG Lift – 3-7 47
- 3-8 – JLG Lift – 3120866 48
- 3120866 – JLG Lift – 3-9 49
- 3120866 – JLG Lift – 3-11 51
- 3.3 DRIVE BRAKE - AUSCO 52
- 3120866 – JLG Lift – 3-13 53
- 3.4 DRIVE BRAKE - MICO 54
- 3120866 – JLG Lift – 3-15 55
- Bleeding 56
- Spare Parts Kits 57
- 3-18 – JLG Lift – 3120866 58
- Disassembly and Assembly 59
- 3-20 – JLG Lift – 3120866 60
- 3120866 – JLG Lift – 3-21 61
- 3-22 – JLG Lift – 3120866 62
- Assembly Notes 63
- 3-24 – JLG Lift – 3120866 64
- Te st i n g a n d Se t u p 65
- 3.6 DRIVE MOTOR ADJUSTMENT 66
- Description 67
- Shaft Seal Replacement 67
- Loop Flushing Valve 68
- 3120866 – JLG Lift – 3-31 71
- 3-32 – JLG Lift – 3120866 72
- 3120866 – JLG Lift – 3-33 73
- Slipper retainer 75
- Ball guide 75
- 3120866 – JLG Lift – 3-37 77
- 3-38 – JLG Lift – 3120866 78
- 3120866 – JLG Lift – 3-39 79
- 3-40 – JLG Lift – 3120866 80
- Initial Start-up Procedures 81
- 3-42 – JLG Lift – 3120866 82
- PROCEDURE AND LOCKOUT TEST 83
- Lockout Cylinder Bleeding 83
- Oscillating Axle Lockout Test 83
- 3.10 STEER ADJUSTMENTS 84
- 3120866 – JLG Lift – 3-45 85
- .0015" Feeler Gauge 86
- 3120866 – JLG Lift – 3-47 87
- 3-48 – JLG Lift – 3120866 88
- Swing Bearing Torque Values 89
- 3.13 SWING BRAKE - AUSCO 89
- 3120866 – JLG Lift – 3-51 91
- 3.14 SWING MOTOR 92
- Reassembly 93
- Motor Timing 94
- 3120866 – JLG Lift – 3-55 95
- 3-56 – JLG Lift – 3120866 96
- 3120866 – JLG Lift – 3-57 97
- 3-58 – JLG Lift – 3120866 98
- Mounting-Controller 99
- 3-60 – JLG Lift – 3120866 100
- 3120866 – JLG Lift – 3-61 101
- Troubleshooting 102
- 3120866 – JLG Lift – 3-63 103
- 3.19 THROTTLE CHECKS AND 104
- ADJUSTMENTS - DEUTZ ENGINE 104
- (PRIOR TO S/N 61306) 104
- 3120866 – JLG Lift – 3-65 105
- Failure Modes 106
- 3120866 – JLG Lift – 3-67 107
- Checking the Ignition 108
- 3.22 CHECKING THE FUEL 109
- S/N 58209) 110
- Performing Diagnostics 110
- Engine Module and Sensors 111
- 3-72 – JLG Lift – 3120866 112
- 3120866 – JLG Lift – 3-73 113
- 3-74 – JLG Lift – 3120866 114
- 3120866 – JLG Lift – 3-75 115
- 3-76 – JLG Lift – 3120866 116
- 3120866 – JLG Lift – 3-77 117
- 3-78 – JLG Lift – 3120866 118
- 3120866 – JLG Lift – 3-79 119
- 3120866 – JLG Lift – 3-81 121
- 3120866 – JLG Lift – 3-83 123
- ENGINE MODULE INPUTS/OUTPUTS 123
- THROTTLE POSITION (TP) SENSOR 123
- USE OF CIRCUIT TESTING TOOLS 123
- 3-84 – JLG Lift – 3120866 124
- Fuel System 125
- 3-86 – JLG Lift – 3120866 126
- FUEL METERING SYSTEM PURPOSE 126
- 3-88 – JLG Lift – 3120866 128
- 3120866 – JLG Lift – 3-89 129
- ELECTRONIC IGNITION 129
- IGNITION COIL 129
- ENGINE MODULE (ECM OR EPM) 129
- 3-90 – JLG Lift – 3120866 130
- 4.1 BOOM MAINTENANCE 131
- Disassembly Boom Sections 132
- 3120866 – JLG Lift – 4-3 133
- 4-4 – JLG Lift – 3120866 134
- 3120866 – JLG Lift – 4-5 135
- 4-6 – JLG Lift – 3120866 136
- Inspection 137
- Assembly 138
- 3120866 – JLG Lift – 4-9 139
- Installation 140
- Torque Procedures 140
- 4.3 WEAR PADS 141
- Main Boom 141
- 4-12 – JLG Lift – 3120866 142
- ADJUSTMENT 143
- 4.6 ROTATOR - HELAC 144
- Disassembly 144
- 4-16 – JLG Lift – 3120866 146
- 3120866 – JLG Lift – 4-17 147
- Lift, Swing, and Drive Cards 148
- Flow Control Card 148
- 4.8 FOOT SWITCH ADJUSTMENT 149
- 4-20 – JLG Lift – 3120866 150
- SECTION 5. HYDRAULICS 151
- SECTION 5 - HYDRAULICS 152
- 5.4 CYLINDER REPAIR 152
- Cleaning and Inspection 154
- 5.5 CYLINDER REMOVAL AND 158
- INSTALLATION 158
- Boom Lift Cylinder Removal 159
- Inspections and Adjustments 163
- Minor Repair and Replacement 166
- Platform Level 170
- 4 Wheel Steer (If Equipped) 170
- 5-24 – JLG Lift – 3120866 174
- 6.1 INTRODUCTION 177
- 6-2 – JLG Lift – 3120866 178
- SYSTEM ANALYZER 179
- 6.3 USING THE ANALYZER 179
- 6-4 – JLG Lift – 3120866 180
- HAND HELD ANALYZER 181
- 6-6 – JLG Lift – 3120866 182
- 6.6 MACHINE SETUP 184
- 6.7 LEVEL VEHICLE DESCRIPTION 184
- 3120866 – JLG Lift – 6-9 185
- 6-10 – JLG Lift – 3120866 186
- 3120866 – JLG Lift – 6-11 187
- 6-12 – JLG Lift – 3120866 188
- 4150365 - 3 189
- 6-14 – JLG Lift – 3120866 190
- 3120866 – JLG Lift – 6-15 191
- 6-16 – JLG Lift – 3120866 192
- 3120866 – JLG Lift – 6-17 193
- 6-18 – JLG Lift – 3120866 194
- 3120866 – JLG Lift – 6-19 195
- 6-20 – JLG Lift – 3120866 196
- 3120866 – JLG Lift – 6-21 197
- 6-22 – JLG Lift – 3120866 198
- 3120866 – JLG Lift – 6-23 199
- 6-24 – JLG Lift – 3120866 200
- 3120866 – JLG Lift – 6-25 201
- 6-26 – JLG Lift – 3120866 202
- 3120866 – JLG Lift – 6-27 203
- 6-28 – JLG Lift – 3120866 204
- 3120866 – JLG Lift – 6-29 205
- 4150364 - 6 206
- 3120866 – JLG Lift – 6-31 207
- 6-32 – JLG Lift – 3120866 208
- 3120866 – JLG Lift – 6-33 209
- 6-34 – JLG Lift – 3120866 210
- 3120866 – JLG Lift – 6-35 211
- 6-36 – JLG Lift – 3120866 212
- STRUCTURE 213
- 6-38 – JLG Lift – 3120866 214
- 3120866 – JLG Lift – 6-39 215
- 6-40 – JLG Lift – 3120866 216
- 3120866 – JLG Lift – 6-41 217
- 6-42 – JLG Lift – 3120866 218
- SECTION 7. SCHEMATICS 219
- SECTION 7 - SCHEMATICS 220
- JLG Worldwide Locations 240
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