JLG T350 PVC 2001 Service and Maintenance Manual (31215070)- PDF DOWNLOAD
TABLE OF CONTENTS:
JLG T350 PVC 2001 Service and Maintenance Manual (31215070)- PDF DOWNLOAD
SM 31215070_A_T350_ANSI_JLG Service English.............................................. 1
Section A. Introduction - Maintenance Safety Precautions............................. 3
A General........................................................................ 3
B Hydraulic System Safety........................................................ 3
C Maintenance.................................................................... 3
Table Of Content..................................................................... 5
List Of Figures...................................................................... 11
List Of Tables....................................................................... 14
Section 1. Specifications............................................................ 15
1.1 Operating Specifications..................................................... 15
Machine Specifications....................................................... 15
1.2 Dimensional Data............................................................. 15
Machine Dimensional Data..................................................... 15
1.3 Capacities................................................................... 15
1.4 Electric Power Unit.......................................................... 16
1.5 Tires........................................................................ 16
1.6 Engine....................................................................... 16
1.7 Battery...................................................................... 16
1.8 Batteries (Electric Machines)................................................ 16
1.9 Lubrication.................................................................. 17
Hydraulic Oil................................................................ 17
1.10 Component Weights........................................................... 17
1.11 Pressure Settings........................................................... 17
1.12 Maintenance & Lubrication................................................... 19
1.13 ThreadLocking Compound...................................................... 22
1.14 Torque Charts............................................................... 23
SAE Fastener Torque Chart.................................................... 23
SAE Fastener Torque Chart (Continued)........................................ 24
SAE Fastener Torque Chart (Continued)........................................ 25
SAE Fastener Torque Chart (Continued)........................................ 26
SAE Fastener Torque Chart (Continued)........................................ 27
SAE Fastener Torque Chart (Continued)........................................ 28
Metric Fastener Torque Chart................................................. 29
Metric Fastener Torque Chart (Continued)..................................... 30
Metric Fastener Torque Chart (Continued)..................................... 31
Metric Fastener Torque Chart (Continued)..................................... 32
Section 2. General................................................................... 33
2.1 Machine Preparation, Inspection, and Maintenance............................. 33
General...................................................................... 33
Preparation, Inspection, and Maintenance..................................... 33
Pre-Start Inspection......................................................... 33
Pre-Delivery Inspection and Frequent Inspection.............................. 33
Annual Machine Inspection.................................................... 33
Preventative Maintenance..................................................... 33
2.2 Service and Guidelines....................................................... 34
General...................................................................... 34
Safety and Workmanship....................................................... 34
Cleanliness.................................................................. 34
Components Removal and Installation.......................................... 34
Component Disassembly and Reassembly......................................... 35
Pressure-Fit Parts........................................................... 35
Bearings..................................................................... 35
Gaskets...................................................................... 35
Bolt Usage and Torque Application............................................ 35
Hydraulic Lines and Electrical Wiring........................................ 35
Hydraulic System............................................................. 35
Lubrication.................................................................. 36
Battery...................................................................... 36
Lubrication and Servicing.................................................... 36
2.3 Lubrication and Information.................................................. 36
Hydraulic System............................................................. 36
Hydraulic Oil................................................................ 36
Changing Hydraulic Oil....................................................... 36
Lubrication Specifications................................................... 36
2.4 Cylinder Drift............................................................... 37
Theory....................................................................... 37
Platform Drift............................................................... 37
Cylinder Leakage Test........................................................ 37
Cylinder Thermal Drift....................................................... 37
2.5 Pins and Composite Bearing Repair Guidelines................................. 38
2.6 Welding on JLG Equipment..................................................... 38
Do the Following When Welding on JLG Equipment............................... 38
Do Not Do The Following When Welding On JLG Equipment........................ 38
Section 3. Chassis & Turntable....................................................... 41
3.1 Breaking-in a New Trailer.................................................... 41
Retighten Lug Nuts at First 10, 25 & 50 Miles................................ 41
Adjust Brake Shoes at First 200 Miles........................................ 41
Synchronizing the Brake Systems.............................................. 41
3.2 Trailer inspection and Service Instructions.................................. 41
Fasteners and Frame Members.................................................. 41
Brake Shoes and Drums........................................................ 41
Manually Adjusting Brake Shoes............................................... 42
3.3 Electric Brakes.............................................................. 42
Brake Controller............................................................. 43
Brake Cleaning and Inspection................................................ 43
Shoes and Linings............................................................ 43
3.4 Hydraulic (Surge) Brakes..................................................... 43
Self Adjusting Mechanism..................................................... 44
Parking Brake................................................................ 44
General Maintenance.......................................................... 44
3.5 Mechanical Brake............................................................. 45
Brake Maintenance............................................................ 45
Adjustment and Readjustment of the Overrun Braking System.................... 48
Troubleshooting.............................................................. 50
3.6 Hubs, Drums, Wheel Bearings.................................................. 55
Hub Removal.................................................................. 55
Brake Drum Inspection........................................................ 55
Bearing Inspection........................................................... 55
Bearing Lubrication.......................................................... 56
Seal Inspection and Replacement.............................................. 56
Bearing Adjustment........................................................... 56
3.7 Tires & Wheels............................................................... 58
Tire Inflation............................................................... 58
Tire Wear.................................................................... 58
Tire Replacement............................................................. 59
Wheel Replacement............................................................ 59
Wheel Installation........................................................... 59
Lug Nuts (Bolts)............................................................. 59
3.8 Hydraulic Brake Coupler...................................................... 61
Troubleshooting.............................................................. 61
Bleeding the Brake System.................................................... 62
Towing....................................................................... 62
Backing Up................................................................... 64
Maintenance.................................................................. 64
Extended Storage Instructions................................................ 64
Proper Towing Checklist...................................................... 64
3.9 COMBINATION COUPLER.......................................................... 65
Bleeding the Brake System.................................................... 65
General Maintenance.......................................................... 65
Servicing the Emergency Lever................................................ 65
3.10 Coupler Assembly............................................................ 66
Engaging Manual Lockout Lever................................................ 66
Servicing the Breakaway Assembly............................................. 66
Actuator Maintenance......................................................... 68
Coupler Maintenance.......................................................... 68
3.11 Hitch Coupler & Axle (CE Only).............................................. 69
Ball Coupler................................................................. 69
Coupling Head Maintenance.................................................... 71
Damper Maintenance........................................................... 72
3.12 Trailer Jack................................................................ 74
Installation................................................................. 74
Operation.................................................................... 74
Maintenance.................................................................. 74
Assembly..................................................................... 75
3.13 Swing Motor................................................................. 76
Removal...................................................................... 76
Disassembly And Inspection................................................... 76
Assembly..................................................................... 83
One Piece Stator Construction................................................ 90
Installation................................................................. 91
3.14 Swing Bearing............................................................... 92
Turntable Bearing Mounting Bolt Condition Check.............................. 92
Wear Tolerance............................................................... 94
Swing Bearing Removal........................................................ 94
Swing Bearing Installation................................................... 95
Swing Bearing Torque Values.................................................. 96
Swing Drive Checks........................................................... 96
3.15 Engine...................................................................... 99
Throttle & Choke Adjustment.................................................. 99
Fuel Valve Lever............................................................. 99
Checking RPM Level........................................................... 99
Choke Actuator............................................................... 99
Checking Oil Level...........................................................100
3.16 Outrigger Cylinder and Stabilizer...........................................102
Removal......................................................................102
Installation.................................................................103
3.17 Outrigger Limit Switches....................................................105
Adjustment...................................................................105
3.18 Automatic Leveling Sensing System...........................................105
3.19 Procedure for Retracting Outriggers Using Service Harness (Optional)........105
3.20 Drive & Set.................................................................106
Drive & Set Interlocks.......................................................108
3.21 Wheel Drive.................................................................112
Removal......................................................................112
Installation.................................................................112
3.22 Drive Motor.................................................................114
Disassembly and Inspection...................................................114
Assembly.....................................................................121
One Piece Stator Construction................................................128
3.23 Drive Engage Cylinder.......................................................130
Removal......................................................................130
Installation.................................................................130
3.24 Batteries (Electric Machines)...............................................131
Quarterly Battery Maintenance................................................131
3.25 Battery Charger.............................................................135
Operating Instructions.......................................................135
Maintenance Instructions.....................................................135
Battery Charger Fault Codes..................................................135
Section 4. Boom & Platform...........................................................137
4.1 Platform and Rotator.........................................................137
Removal......................................................................137
Installation.................................................................138
4.2 Main Boom Powertrack.........................................................139
Removal......................................................................139
Installation.................................................................139
4.3 Boom and Cylinder Assembly...................................................140
Removal......................................................................140
Installation.................................................................140
4.4 Main Boom Assembly...........................................................141
Removal......................................................................141
Disassembly..................................................................142
Assembly.....................................................................144
Installation.................................................................146
4.5 Main Lift Cylinder...........................................................147
Removal......................................................................147
Installation.................................................................147
4.6 Master Cylinder..............................................................148
Removal......................................................................148
Installation.................................................................148
4.7 Platform Level Cylinder......................................................149
Removal......................................................................149
Installation.................................................................149
4.8 Boom Sensors.................................................................151
Boom Elevation Limit Switch..................................................151
4.9 Boom Cleanliness Guidelines..................................................152
4.10 Platform Control Enable System (Trigger)....................................152
4.11 Side Entry Platform.........................................................152
4.12 Hydraulic Manual Descent System.............................................152
4.13 Powertrack Maintenance......................................................153
Remove Link..................................................................153
Install New Link.............................................................156
Replace Fixed End Brackets...................................................159
Replace Moving End Brackets..................................................160
Section 5. Basic Hydraulic Information & Schematics..................................163
5.1 Lubricating O-Rings in the Hydraulic System..................................163
Cup and Brush................................................................163
Dip Method...................................................................164
Spray Method.................................................................164
Brush-on Method..............................................................164
5.2 Hydraulic Cylinders..........................................................165
Cylinder Locations...........................................................165
Disassembly..................................................................167
Assembly.....................................................................173
Outrigger Cylinder...........................................................174
Brake Release Cylinder.......................................................179
Drive Engage Cylinder........................................................183
5.3 Hydraulic Pump (Gear)........................................................188
Removal......................................................................188
Installation.................................................................188
5.4 Pressure Setting Procedure...................................................189
Main Relief..................................................................189
Telescope In.................................................................189
Telescope Out................................................................189
Platform Level Up............................................................189
Platform Level Down..........................................................189
Swing Right..................................................................189
Swing Left...................................................................189
Outrigger Up.................................................................189
5.5 Hydraulic Oil Fill at Startup................................................191
5.6 Hydraulic Hoses..............................................................191
5.7 Hydraulic Filter and Breather................................................191
5.8 Hydraulic Schematics.........................................................200
5.9 Hydraulic Diagram............................................................208
Section 6. JLG Control System........................................................221
6.1 Introduction.................................................................221
6.2 To Connect the JLG Control System Analyzer...................................222
Using the Analyzer...........................................................222
6.3 Changing Access Level........................................................223
6.4 Adjust Parameters............................................................224
6.5 Machine Setup................................................................225
Level Vehicle Description....................................................225
6.6 System Test..................................................................231
Platform Test................................................................231
Ground Test..................................................................233
6.7 Leveling, Tilt Sensor Calibration............................................235
When Machine Is on a Firm Level Surface......................................235
Setup When Machine Is Not on Firm Level Surface and Adjustment Procedure:....236
6.8 User Fault Codes.............................................................237
6.9 Machine Orientation When Setting Speeds......................................246
Test Notes...................................................................246
Section 7. Basic Electrical Information & Schematics.................................259
7.1 General......................................................................259
7.2 Multimeter Basics............................................................259
Grounding....................................................................259
Backprobing..................................................................259
Min/Max......................................................................259
Polarity.....................................................................259
Scale........................................................................259
Voltage Measurement..........................................................259
Resistance Measurement.......................................................260
Continuity Measurement.......................................................260
Current Measurement..........................................................261
7.3 Checking Switches............................................................261
Basic Check..................................................................261
Limit Switches...............................................................262
Automatic Switches...........................................................262
Switch Wiring - Low Side, High Side..........................................262
7.4 Applying Silicone Dielectric Compound to Electrical Connections..............263
Installation of Dielectric Grease............................................263
Deutsch HD, DT, DTM, DRC Series..............................................264
AMP Seal.....................................................................264
AMP Mate-N-Lok...............................................................264
DIN Connectors...............................................................265
Exclusions...................................................................265
Brad Harrison/phoenix Contact M12............................................265
Engine Control Unit Connectors...............................................265
7.5 AMP Connector................................................................266
Applying Silicone Dielectric Compound to AMP Connectors......................266
Assembly.....................................................................266
Disassembly..................................................................268
Wedge Lock...................................................................268
Service - Voltage Reading....................................................268
7.6 Deutsch Connectors...........................................................270
DT/DTP Series Assembly.......................................................270
DT/DTP Series Disassembly....................................................270
HD30/HDP20 Series Assembly...................................................271
HD30/HDP20 Series Disassembly................................................271
7.7 Electrical Component.........................................................272
7.8 Electrical Schematics........................................................280
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JLG T350 PVC 2001 Service and Maintenance Manual (31215070)- PDF DOWNLOADJLG T350 PVC 2001 Service and Maintenance Manual (31215070)- PDF DOWNLOAD
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