LeeBoy 8515D Guide

Operations, Service, and Parts Manual
LEEBOY MODEL 8515D CONVEYOR PAVER
Manual No. 1015239-01
This manual applies to
Serial Number 133074
and above.

1
2
3
4
5
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7
SAFETY
INFORMATION AND SPECIFICATIONS
COMPONENT LOCATION
OPERATION
MAINTENANCE
SCHEMATICS
ILLUSTRATED PARTS LIST
Thumb Index

iv LeeBoy 8515D Conveyor Paver
Disclaimer
All information, illustrations and specications in this manual are based on the latest information available
at the time of publishing. The illustrations used in this manual are intended as representative reference
views only. Moreover, because of our continuous product improvement policy, we may modify information,
illustrations and/or specications to explain and/or exemplify a product, service or maintenance
improvement. We reserve the right to make any change at any time without notice. VT LeeBoy, Inc., VT
LeeBoy, LeeBoy, and Rosco are all the same entity and are used interchangeably.
Title 40, Code of Federal Regulations (CFR) 1068
This product meets certied-emission requirements set by the EPA (Environmental Protection Agency),
governed by Title 40 CFR 1068, which species actions that are prohibited by law and lists civil penalties
for noncompliance. As part of those regulations, modication or rendering inoperative any emission-
related component can subject you to government penalties (and void your warranty). Tampering with
emission controls is in violation of federal law, and can result in civil penalties of up to $3,750 each day an
engine or piece of equipment is operated in violation.
Please be aware that you are responsible for maintaining the machine and the certied emission engine
installation. Failure to comply to comply could result in penalties as listed above and void the warranty on
this engine and this machine.
For more information, visit: https://www.epa.gov/laws-regulations/regulations
California Proposition 65 Warning
Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer,
birth defects, and other reproductive harm.
Battery posts, terminals and other related accessories contain lead and lead compounds, chemicals
known to the State of California to cause cancer and other reproductive harm. Wash hands after handling.
©2016 VT LeeBoy, Inc.
LeeBoy reserves all copyright and other rights in this manual and the manual’s content. No part of this
manual may be reproduced or used in any way without the written permission of VT LeeBoy, Inc., except as
necessary to operate LeeBoy equipment.

TABLE OF CONTENTS
LeeBoy 8515D Conveyor Paver v
Page
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Machine Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Hot Material Precautions . . . . . . . . . . . . . . . . . . . . . . . 1-7
Hydraulic Systems Precautions . . . . . . . . . . . . . . . . . . . 1-7
Refueling Precautions . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Battery Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Starting and Stopping Precautions . . . . . . . . . . . . . . . . . . 1-8
Parking Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Poor Visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Storage Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Maintenance Precautions . . . . . . . . . . . . . . . . . . . . . . 1-9
Safety Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Safety Decals Care . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Decal Installation (Sticker Type) . . . . . . . . . . . . . . . . . . . 1-11
Decal Installation (Top Protected) . . . . . . . . . . . . . . . . . . 1-11
Limited Warranty Policy . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Specication Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Torque Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Standard Inch Fasteners . . . . . . . . . . . . . . . . . . . . . . . 2-7
Metric Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Hydraulic Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Determining Proper Torque . . . . . . . . . . . . . . . . . . . . . 2-9
Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

vi LeeBoy 8515D Conveyor Paver
Components Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Hopper and Conveyors . . . . . . . . . . . . . . . . . . . . . . . 3-3
Augers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Operator Platform . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Screed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Standard Equipment/Options . . . . . . . . . . . . . . . . . . . . 3-4
Machine Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Left Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Right Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Center Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Steering and Speed Control Box . . . . . . . . . . . . . . . . . . . . . . 3-11
Screed Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Burner Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Propane Tank Controls . . . . . . . . . . . . . . . . . . . . . . . 3-13
Steering Wheel (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Electric Heat (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Receiving the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Initial and Daily Inspection . . . . . . . . . . . . . . . . . . . . . . 4-3
Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Stopping the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
DPF Regeneration (REGEN) . . . . . . . . . . . . . . . . . . . . . . . . 4-4
PV480 Powerview Display . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Gauge Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Set Points and Throttle Speed . . . . . . . . . . . . . . . . . . . . 4-5
Soft Keys (Buttons) . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Status Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
System Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Regeneration Messages . . . . . . . . . . . . . . . . . . . . . . . 4-14

vii LeeBoy 8515D Conveyor Paver
Messages, Cautions, Warnings . . . . . . . . . . . . . . . . . . . 4-17
Driving the Paver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Operator Control Station . . . . . . . . . . . . . . . . . . . . . . . 4-18
Steering and Speed Control . . . . . . . . . . . . . . . . . . . . . 4-18
Paver Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Spray Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Heating the Screed . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Hopper Wings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Conveyors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Hydraulic Cut-Off Gates . . . . . . . . . . . . . . . . . . . . . . . 4-23
Electric Flight Screw . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Set the Screed Extension, Flight Screw and Endgate . . . . . . . . . 4-24
Sonic Auger Sensor . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
Starting to Pave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
Basic Paving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
Setting the Crown . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
Mat Texture Adjustment . . . . . . . . . . . . . . . . . . . . . . . 4-29
815HD Screed Extension Double Adjustment (Option) . . . . . . . . 4-30
Unloading and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
Unloading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Tie-Down Procedure . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Optional Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Auger Extensions Option . . . . . . . . . . . . . . . . . . . . . . . 4-32
Umbrella Option . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Screed Sloping Extensions . . . . . . . . . . . . . . . . . . . . . 4-32
Steering Wheel Option . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Roll-Up Curb Attachments . . . . . . . . . . . . . . . . . . . . . . 4-32
Truck Hitch Attachment Option . . . . . . . . . . . . . . . . . . . . 4-33
Electric Screed Options . . . . . . . . . . . . . . . . . . . . . . . 4-33
Topcon® Sonic and Dual Grade Control . . . . . . . . . . . . . . . 4-34
Rubber or Steel Track Options . . . . . . . . . . . . . . . . . . . . 4-34
815HD (Heavy Duty) Electric Screed . . . . . . . . . . . . . . . . . 4-34

viii LeeBoy 8515D Conveyor Paver
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Preparing Paver for Maintenance . . . . . . . . . . . . . . . . . . 5-5
Every 10 Hours or Daily Routine Maintenance . . . . . . . . . . . . 5-5
Every 50 Hours or Weekly Routine Maintenance . . . . . . . . . . . 5-5
Every 100 Hour or Monthly Maintenance . . . . . . . . . . . . . . . 5-6
Every 250 Hours or Quarterly Routine Maintenance . . . . . . . . . 5-6
Every 500 Hours or Semi-Annual Routine Maintenance . . . . . . . 5-6
Every 1000 Hours or Annual Routine Maintenance . . . . . . . . . . 5-6
Torque Hub Lubrication . . . . . . . . . . . . . . . . . . . . . . . 5-6
Lubrication Points . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Maintenance Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Conveyor Flight Chain . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Conveyor Drive Chain . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Auger Drive Chain Adjustment . . . . . . . . . . . . . . . . . . . . 5-9
Screed Extension Top Guide Adjustment . . . . . . . . . . . . . . . 5-9
Track Tension Pressure Relief . . . . . . . . . . . . . . . . . . . . 5-10
Conveyor Switch Adjustment . . . . . . . . . . . . . . . . . . . . . 5-10
Torque Hub Hydraulic Motor Gear Adjustments . . . . . . . . . . . 5-11
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Check Engine Lubrication Oil . . . . . . . . . . . . . . . . . . . . 5-12
Change Engine Oil and Filter . . . . . . . . . . . . . . . . . . . . . 5-13
Change Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Change Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Water Separator . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Check Hydraulic Oil . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Change Hydraulic Oil and Filter . . . . . . . . . . . . . . . . . . . 5-16
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Battery Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Screed Electric Heat (Option) . . . . . . . . . . . . . . . . . . . . . . . 5-19
Screed Electric Heat Elements . . . . . . . . . . . . . . . . . . . . 5-19

ix LeeBoy 8515D Conveyor Paver
Element Resistance Testing . . . . . . . . . . . . . . . . . . . . . 5-20
Heating Elements . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
Generator Voltage Testing . . . . . . . . . . . . . . . . . . . . . . 5-21
Generator Capacitor . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
Replacement Procedures . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
Front Idler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
Track Tension Cylinder . . . . . . . . . . . . . . . . . . . . . . . 5-23
Track Rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
Track Sprocket (Steel or Poly) . . . . . . . . . . . . . . . . . . . . 5-23
Rubber Track (Option) . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Rear Conveyor Shaft, Bearings and Sprockets . . . . . . . . . . . . 5-24
Conveyor Drive Motors. . . . . . . . . . . . . . . . . . . . . . . . 5-25
Auger and Inner Bearings . . . . . . . . . . . . . . . . . . . . . . 5-25
Auger Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
Main Screed Wear Plate . . . . . . . . . . . . . . . . . . . . . . . 5-27
Screed Extension Wear Plate . . . . . . . . . . . . . . . . . . . . 5-28
Torque Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
Two-Speed Hydraulic Motors . . . . . . . . . . . . . . . . . . . . 5-30
Conveyor Switch Replacement . . . . . . . . . . . . . . . . . . . . 5-31
Weldment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32
Plus One . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32
Test Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . . 5-34
PV480 Diagnostic Trouble Code (DTC) Chart. . . . . . . . . . . . . . . . 5-37
Electrical System (1 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Electrical System (2 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Electrical System (3 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Electrical System (4 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Electrical System (5 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
Electrical System (6 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Electrical System (7 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15
Electrical System (8 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Electrical System (9 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
Electrical System (10 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
Electrical System (11 of 11) . . . . . . . . . . . . . . . . . . . . . . . . . 6-23

x LeeBoy 8515D Conveyor Paver
Lower Control, Sloping (Left) . . . . . . . . . . . . . . . . . . . . . . . . 6-25
Lower Control, Sloping (Right) . . . . . . . . . . . . . . . . . . . . . . . 6-27
Lower Control, Non-Sloping (Left) . . . . . . . . . . . . . . . . . . . . . 6-29
Lower Control, Non-Sloping (Right) . . . . . . . . . . . . . . . . . . . . . 6-31
Auxilliary Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33
Generator Control to Bulkhead Harness . . . . . . . . . . . . . . . . . . 6-35
Bulkhead to Generator Harness . . . . . . . . . . . . . . . . . . . . . . 6-37
Electric Steering Cord, 4 Feet . . . . . . . . . . . . . . . . . . . . . . . 6-39
Dash Assembly (1 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-41
Dash Assembly (2 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-43
Dash Assembly (3 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-45
Dash Assembly (4 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-47
Dash Assembly (5 of 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-49
Gauge Panel (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51
Gauge Panel (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-53
Plus One Harness (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-55
Plus One Harness (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . 6-57
Ultrasonic Power Harness . . . . . . . . . . . . . . . . . . . . . . . . . 6-59
Steering Wheel Box (Option) . . . . . . . . . . . . . . . . . . . . . . . . 6-61
Dual joystick control Box (Option) . . . . . . . . . . . . . . . . . . . . . 6-63
Electric Heat Control (Option) . . . . . . . . . . . . . . . . . . . . . . . 6-65
Electric Heat Control - Heated Endgates (Option) . . . . . . . . . . . . . . 6-67
Hydraulic Schematic (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 6-69
Hydraulic Schematic (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 6-71
Hydraulic Schematic (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 6-73
Hydraulic Schematic (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . 6-75
Illustrated Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Quick Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Sprocket Drive Track System - 4 Roller Undercarriage . . . . . . . . . . . 7-6
Sprocket Drive Track System - 4 Roller Undercarriage . . . . . . . . . . . 7-8
Rubber Track Undercarriage - 5 Roller Undercarriage . . . . . . . . . . . 7-10
Conveyor Drive Assembly (1 of 2) . . . . . . . . . . . . . . . . . . . . . . 7-12
Conveyor Drive Assembly (2 of 2) . . . . . . . . . . . . . . . . . . . . . . 7-14
Hopper Components (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Hopper Components (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Auger Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20