LeeBoy 400T Guide

Operations, Service, and Parts Manual
Manual No. 1012791-01
LeeBoy Model 400 & 400T Rollers
400
400 T
This manual applies to
Serial Number 400-41197
and above

LeeBoy Model 400 & 400T Rollersii

Safety
Information and Specifications
Component Location
Operation
Maintenance
Schematics
Illustrated Parts List (IPL)
1
2
3
4
5
6
7
Thumb Index

LeeBoy Model 400 & 400T Rollersiv
DISCLAIMER AND COPYRIGHT
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.
©2015 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 LeeBoy, except as necessary to operate LeeBoy
equipment.
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.

TABLE OF CONTENTS
LeeBoy Model 400 & 400T Rollers v
Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Pre-Operation Hazard . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Safety Label Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Safety Decals Care . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Machine Specic Precautions . . . . . . . . . . . . . . . . . . . . . . . 1-8
Hot Material Precautions . . . . . . . . . . . . . . . . . . . . . . . 1-8
Hydraulic Systems Precautions . . . . . . . . . . . . . . . . . . . 1-8
Refueling Precautions . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Battery Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Tire Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Starting and Stopping Precautions . . . . . . . . . . . . . . . . . . 1-10
Parking Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Storage Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Maintenance Precautions . . . . . . . . . . . . . . . . . . . . . . 1-11
Information and Specications . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Limited Warranty Policy . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Record of Ownership . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Specications Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Torque Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Standard Inch Fasteners . . . . . . . . . . . . . . . . . . . . . . . 2-6
Metric Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Hydraulic Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Determining Proper Torque . . . . . . . . . . . . . . . . . . . . . 2-8

LeeBoy Model 400 & 400T Rollers vi
Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Operator’s Control Console . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Location of Operation Panels and Controls . . . . . . . . . . . . . . . . . 3-4
Hydraulic Levers (400T ONLY) . . . . . . . . . . . . . . . . . . . . . . . 3-6
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Operating Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Parking Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Maintenance Safety . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Receiving the Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Preliminary Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Adjusting Operator Seat . . . . . . . . . . . . . . . . . . . . . . . 4-5
Beacon Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Machine Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Engine Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Engine Warm-Up . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Cold Weather Engine Warm-Up . . . . . . . . . . . . . . . . . . . 4-6
Directional Control . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Vibratory Compactor . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Water Spray System . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Principles of Compaction . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Rolling Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Rolling Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Rolling Thick Lifts . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Rolling Thin Lifts . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Parking the Machine . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Transporting the Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Roller Towing (400T Only) . . . . . . . . . . . . . . . . . . . . . . 4-10
Transporting Via Flatbed . . . . . . . . . . . . . . . . . . . . . . 4-12
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Lubrication Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Preparing Machine for Maintenance . . . . . . . . . . . . . . . . . 5-6
10-Hour or Daily Routine Maintenance . . . . . . . . . . . . . . . . 5-6

LeeBoy Model 400 & 400T Rollers vii
50-Hour or Weekly Routine Maintenance . . . . . . . . . . . . . . 5-6
100-Hour or Monthly Routine Maintenance . . . . . . . . . . . . . . 5-6
250-Hour or Quarterly Routine Maintenance . . . . . . . . . . . . . 5-6
500-Hour or Semi-Annual Routine Maintenance . . . . . . . . . . . 5-7
1000-Hour or Annual Routine Maintenance . . . . . . . . . . . . . 5-7
Maintenance Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Water Spray System . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Oil Lines and Fittings . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Air Intake Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Drive Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Neutral Start System . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Battery Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Battery Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Check Battery Electrolyte Level . . . . . . . . . . . . . . . . . . . 5-10
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Cold Weather Starting . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Fuses And Circuit Breakers . . . . . . . . . . . . . . . . . . . . . 5-10
Tire Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Filling Tires with Air . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Changing Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Check Engine Lubrication Oil Level . . . . . . . . . . . . . . . . . 5-12
Changing Engine Lubrication Oil . . . . . . . . . . . . . . . . . . . 5-12
Change Engine Oil Filter . . . . . . . . . . . . . . . . . . . . . . . 5-13
Change Engine Air Filter . . . . . . . . . . . . . . . . . . . . . . . 5-13
Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Engine Fuel Filters . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Checking Hydraulic Oil Level . . . . . . . . . . . . . . . . . . . . 5-15
Change Hydraulic Filter . . . . . . . . . . . . . . . . . . . . . . . 5-16
Check and Clean Hydraulic Oil Strainer Fill Cap . . . . . . . . . . . 5-16
Drain, Flush and Fill Hydraulic Oil Tank . . . . . . . . . . . . . . . . 5-17
Component Replacement Procedures . . . . . . . . . . . . . . . . . . . 5-17

LeeBoy Model 400 & 400T Rollers viii
Introduction
Replace Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Replace Valve Bank Assembly (400T Only) . . . . . . . . . . . . . . 5-18
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Electrical Schematic, Tow Pak, 400T . . . . . . . . . . . . . . . . . . . . 6-3
Panel, Gauges, Kubota, 400 . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Electrical Schematic, Option, 400 / 400T . . . . . . . . . . . . . . . . . . 6-7
Hydraulic Hose Layout, 400, 1 of 2 . . . . . . . . . . . . . . . . . . . . . 6-9
Hydraulic Hose Layout, 400, 2 of 2 . . . . . . . . . . . . . . . . . . . . . 6-11
Illustrated Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Quick Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
400 Main Frame Assembly, 1 of 2 . . . . . . . . . . . . . . . . . . . . . 7-4
400 Main Frame Assembly, 2 of 2 . . . . . . . . . . . . . . . . . . . . . 7-6
Water Tank and Rollbar Groups . . . . . . . . . . . . . . . . . . . . . . 7-8
Front Drum and Yoke Assembly . . . . . . . . . . . . . . . . . . . . . . 7-10
Front Wiper, Front Inner Wiper, and Rear Wiper, 400 / 400T . . . . . . . . 7-12
Rear Drum Assembly, Cut-Section . . . . . . . . . . . . . . . . . . . . . 7-14
Water System Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Fuel System Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Steering and Drive Control Assembly . . . . . . . . . . . . . . . . . . . 7-20
Seat Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Engine Group, 1 of 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Engine Group, 2 of 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26
25 HP, Tier4F, Engine, Kubota . . . . . . . . . . . . . . . . . . . . . . . 7-28
Battery Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-30
400 and 400T Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . 7-32
Sign (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34
400T Main Frame Assembly . . . . . . . . . . . . . . . . . . . . . . . . 7-36
Tow/Lift Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38
400T Towing Safety Pin and Pintle Eye . . . . . . . . . . . . . . . . . . . 7-40
Wheel Hub and Brake Assembly . . . . . . . . . . . . . . . . . . . . . . 7-42
Valve Bank Assembly (400T Only) . . . . . . . . . . . . . . . . . . . . . 7-44
Alphabetical Parts Index (API) . . . . . . . . . . . . . . . . . . . . . . . 7-46

LeeBoy Model 400 & 400T Rollers ix
INTRODUCTION
Thank you for purchasing the 400 or the 400T Roller.
We wish you many years of safe and efcient operation
of your roller.
READ THIS MANUAL PRIOR TO OPERATING the unit.
This manual is an important part of the roller and should
be kept with the roller at all times in the dedicated
storage container on the roller. Even though you may
be familiar with similar equipment, you MUST read and
understand this manual before operating this roller.
Reading the manual will help you and others avoid
injury and prevent damage to the roller. If this manual
becomes lost or damaged, contact your authorized
LeeBoy Dealer immediately to order a replacement
(Contact Information on Page 2-3).
This manual is intended as a guide for the safe and
efcient use of the roller. This manual contains
procedures for proper operation and maintenance of
the roller. This manual contains information that was
available at the time of printing and is subject to change
without notice.
This manual should be used along with all related
supplemental books, engine and transmission manuals,
and parts books. Related Service Bulletins may be
issued later that provide information regarding any
recent changes.
If any questions arise concerning this publication or
others, contact your local LeeBoy Dealer for the latest
available information.

LeeBoy Model 400 & 400T Rollers x
NOTES