LeeBoy 8520C User Manual

160 pages

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Safety and Operations Manual

LEEBOY MODEL 8520C CONVEYOR PAVER

Manual No. 1027277-SOPManual No. 1027277-SOP

REV AREV A

This manual applies to

Serial Number 367609

and above.

Table of Contents5
Safety11
Safety12
Safety Precautions14
Machine Precautions17
Hot Material Precautions17
Hydraulic Systems Precautions17
Refueling Precautions18
Battery Precautions18
Starting and Stopping Precautions18
Parking Precautions18
Operating Precautions18
Poor Visibility19
Storage Precautions19
Maintenance Precautions19
Safety Decals20
Safety Decal Locations20
Safety Decals Care22
Information and Specifications23
Two Year Limited Warranty24
Limited Warranty Policy24
Contact Information25
Specification Charts26
Torque Specifications29
Standard Inch Fasteners29
Metric Fasteners30
Hydraulic Fittings30
Determining Proper Torque31
Component Location35
Component Location36
Components Overview37
Dual Operator Platform37
Engine37
Augers38
Hopper and Conveyors38
Hydraulic System38
Electrical System38
Machine Overview39
Control Panel40
Screed Controls42
Screed Electric Heat Controls43
Screed Control Box44
Steering and Speed Control Box45
Operation47
Receiving the Machine49
Initial and Daily Inspection49
Hopper Lock Valves49
Screed Lock Pins49
Operation49
Start-Up Procedure50
Stopping the Engine50
Diesel Exhaust Fluid (DEF)50
DPF Regeneration (REGEN)51
PV485 Powerview Display51
Gauge Screen51
Soft Key Buttons52
Set Points and Throttle Speed53
DEF Info54
Main Menu Screen58
Diagnostics59
System Info59
Lamp Info60
User Settings62
DPF Commands63
Perform Parked Regeneration67
Status and Warning Alert Icons70
Plus One Controller71
Driving the Paver71
Activate/Deactivate Operator Control Station72
Steering and Speed Control72
Paver Operation73
Spray down73
Heating the Screed74
Hopper Wings75
Conveyors76
Under Auger Material Cut-Offs76
Tow Point77
Set the Screed Extension, Flight Screw, and End Gate77
Sonic Auger Sensor79
Starting to Pave80
Basic Paving81
Setting the Crown82
Mat Texture Adjustment83
Unloading and Loading83
Unloading84
Loading84
Tie-Down Procedure84
Towing85
Optional Components85
Umbrella Option85
Truck Hitch Attachment Option85
Rubber Track Option86
Steering Wheel Option86
Screed Sloping Extensions86
Roll-Up Curb Attachments87
Screed Extension Vibration87
Automatic Temperature Control87
Topcon® Sonic and Dual Grade Control88
Horizontal Flight Screws89
Slope Meter89
Tool Rack90
Hydraulic Tow Points90
Screed Single-Point Lube System90
Heated End Gate91
One-Foot Screed Extension91
Blade Light91
Magnetic Cup Holder92
Maintenance Schedule96
Accessing Components97
Raise and Lower Engine Hood97
Raise and Lower the Conveyor98
Routine Maintenance100
Prepare Paver for Maintenance100
Every 10 Hours or Daily Routine Maintenance100
Every 50 Hours or Weekly Routine Maintenance100
Every 100 Hours or Monthly Maintenance101
Every 250 Hours or Quarterly Routine Maintenance101
Every 500 Hours or Semi-Annual Routine Maintenance101
Every 1000 Hours or Annual Routine Maintenance101
Every 1500 Hours101
Every 3000 Hours101
Lubrication102
Lubrication Points Chart102
Daily Lubrication103
Weekly Lubrication104
Monthly Lubrication104
Torque Hub Lubrication105
Maintenance Adjustments105
Conveyor Flight Chains105
Conveyor Drive Chains107
Auger Drive Chain Adjustment107
Screed Extension Top Guide Adjustment108
Torque Hub Hydraulic Motor Gear Adjustment108
Engine Maintenance109
Check Engine Lubrication Oil109
Change Engine Oil and Filter110
Change Air Filter111
Engine Drive Belt111
Change Oil Separator Element112
Selective Catalytic Reduction (SCR)112
DEF (Diesel Exhaust Fluid)113
DEF Storage113
DPF Service114
Cooling System114
Replace Radiator Hoses115
Fuel System115
Fuel Tank115
Change Fuel Filter115
Fuel Water Separator116
Hydraulic System117
Check Hydraulic Oil117
Change Hydraulic Oil and Filter117
Electrical System118
Battery Servicing119
Alternator119
Fuse Panel120
Electric Heat Control Box120
Element Resistance Testing121
Heating Elements122
Generator Voltage Testing122
Generator Capacitor Replacement123
Adjust Generator Belt123
Beacon and Work Lights123
Dielectric Grease124
Replacement Procedures125
Two-Speed Hydraulic Motors126
Hydraulic Pump/Motor Start-Up126
Torque Hub127
Replace Tracks128
Rubber Track (Option)129
Front Idler130
Track Tension Cylinder130
Track Rollers131
Track Sprocket (Poly)131
Rear Conveyor Shaft, Bearings and Sprockets132
Conveyor Drive Motors132
Auger Inner Bearings133
Auger End Mounts134
Auger Motors134
Quick Change Augers135
Under Auger Material Cut-Offs136
Main Screed Wear Plate137
Screed Extension Wear Plate138
Hopper Wing Cylinders139
Winterizing for Storage139
Troubleshooting142
Hydraulic Test Ports142
Track Tension Pressure Relief142
Auger and Conveyor Chain Tension Adjustment143
Spraydown Pump144
Troubleshooting Chart145
PV480 Diagnostic Trouble Code (DTC) Chart148
PV485 Troubleshooting156
Plus One Controller158

Questions and Answers:

D
Donna ClineAug 1, 2025
How to fix incorrect track tension pressure for LeeBoy 8520C?
- T
  tammy29Aug 1, 2025
  To correct incorrect track tension pressure in your LeeBoy Accessories, adjust the relief cartridge valve. Turn it IN to increase the pressure or OUT to decrease it until the PSI gauge displays 1500 PSI.