LeeBoy ROSCO Hydrasweep RB48 Guide

RB48 Hydrasweep
Self-Propelled
Road Sweeper
MANUAL PART NO. 36750-02
OPERATION - MAINTENANCE - SERVICE
- PARTS MANUAL
EFFECTIVE SERIAL NO. 35492 and higher
REVISED 10/08/1998
NOTE: It is the responsibility of the customer or user’s management
to train, educate and supervise the employee in the proper operation
and manintenance of this equipment.
688 North Highway 16
Denver, North Carolina
www.LeeBoy.com
Phone: [phone]

TABLE OF CONTENTS
CUSTOMER INFORMATION......................SECTION 1
INTRODUCTION ......................................................... 1.2
WARRANTY ................................................................ 1.3
SPECIFICATIONS ....................................................... 1.4
SAFETY .....................................................SECTION 2
SAFETY SYMBOLS..................................................... 2.2
GENERAL.................................................................... 2.3
OPERATING ................................................................ 2.4
STARTING & STOPPING ............................................ 2.4
BRAKING..................................................................... 2.5
MAINTENANCE........................................................... 2.5
HYDRAULICS.............................................................. 2.6
TRANSPORT............................................................... 2.7
STORAGE ................................................................... 2.7
TIRES .......................................................................... 2.7
REFUELING ................................................................ 2.7
BATTERY..................................................................... 2.8
SAFETY DECALS............................................2.10 - 2.12
DECAL INFORMATION ............................................. 2.13
SIGN-OFF FORM.....................................................2.9
OPERATIONS ............................................SECTION 3
GENERAL DESCRIPTION .......................................... 3.2
PRE-OPERATION CHECKLIST................................... 3.5
START UP.................................................................... 3.6
CONTROLS................................................................. 3.8
SWEEPING GUIDLINES ........................................... 3.10
SHUT DOWN............................................................. 3.11
MAINTENANCE .........................................SECTION 4
ENGINE ....................................................................... 4.2
HYDRAULIC SYSTEM................................................. 4.8
ELECTRICAL............................................................. 4.13
BRUSH ...................................................................... 4.14
CHASSIS ................................................................... 4.15
OPTIONAL EQUIPMENT .......................................... 4.17
PREVENTIVE MAINTENANCE CHART .................... 4.19
BOLT TORQUE.......................................................... 4.20
TROUBLESHOOTING................................SECTION 5
PARTS CATALOG.......................................SECTION 6

Customer Information
1. Introduction .................................................................................................. 1-2
2. Warranty ...................................................................................................... 1-3
3. Specifications .................................................................................... 1-4 to 1-6

INTRODUCTION1-2
RB48 HYDRASWEEP
This manual has been compiled to assist the owner and/or operator with the correct operation
and routine preventive maintenance procedures for the RB48 Hydrasweep Self-Propelled Road
Sweeper as manufactured by ROSCO /A LEEBOY COMPANY 688 North Highway 16, Denver, North
Carolina, U.S.A.A parts catalog is also included in this manual to allow for the accurate ordering of
repair parts from Authorized Rosco Dealers/Distributors.
THIS MANUAL HAS BEEN ORGANIZED INTO SIX (6) MAJOR SECTIONS:
1. INTRODUCTION 4. MAINTENANCE
2. SAFETY 5. TROUBLESHOOTING
3. OPERATION 6. PARTS CATALOG
A general contents page is located at the beginning of this manual as a quick reference to the
these sections and their major subsections. In order to receive the performance and efficiency that
has been designed into the RB48 Hydrasweep, it is very important to:
A. Read this manual thoroughly before operating or servicing the Road Sweeper.
B. Keep this manual in a convenient place for ready reference.
C. Not attempt to make repairs or adjustments you do not understand. If you require
additional information or service, contact your Authorized Rosco Dealer/Distributor.
Throughout this manual references are made to the LEFT SIDE and RIGHT SIDE of the Road
Sweeper. These terms are used as the RB48 Road Sweeper is viewed from the rear of the machine.
Serial Number - It is important to know the Serial Number of this equipment. The Serial Number
Plate is located on the front left-hand Cab/Rops Support as shown on page 3 (ITEM 5) of the Parts
Book, Section 6 of this manual. Record the Serial Number in the space below. Use the Serial Number
in all correspondence referring to the RB48 Hydrasweep and when ordering parts.
Model
Serial Number
Production Year
Design Specifications - ROSCO / A LEEBOY COMPANY reserves the right to make
design or specification changes without prior notification or to make any other improvements without
incurring obligations to add them to any machine in existence.
Technical Information - ROSCO / A LEEBOY COMPANY is continuously improving its
products. The technical information found in this manual was correct at the time it was approved for
publication. However, if you find differences between your Road Sweeper and the information
contained in this manual, please contact your local Authorized ROSCO Dealer/Distributor.
INTRODUCTION

1-3 INTRODUCTION
RB48 HYDRASWEEP
WARRANTY
ROSCO/ A LEEBOY COMPANYwarrants all new equipment of ROSCO
manufacture to be free from defects in material and workmanship (when subjected to normal
and proper usage) for a period of twelve (12) months from the “In Service Date” established
by the “New Machine Delivery Report” completed, signed and filed with ROSCO when the
equipment is initially placed in service. Failure to transmit to ROSCO the completed and
signed “New Machine Delivery Report” within ten (10) days of placing the equipment in service
will disqualify this warranty on the equipment.
Notice must be given to the servicing ROSCO Dealer/Distributor upon discovery of
defects in material and workmanship, and parts returned to ROSCO for inspection. Parts
found defective by ROSCO inspection will be repaired or replaced without cost, F.O.B. point of
manufacture. The foregoing shall be the limit of ROSCO’s liability for such defects. No
warranty is extended on components and accessories not manufactured by ROSCO as these
items are subject to warranties of their respective manufacturers.
In no event shall ROSCO be liable for special, indirect or consequential damages, nor for
any delay in performance of the warranty.
You may also have some implied warranties. For example, you may have:
* an implied warranty of merchantability (a warranty that your
Road Sweeper is reasonably fit for the general purpose for which
it was sold to you)
or
* an implied warranty of fitness for a particular purpose (a
warranty that the Road Sweeper is suitable for your special
purposes).
These implied warranties are limited, to the extent allowed by law, to the time period
covered by the written warranties.
Some states do not allow ROSCO to limit how long an implied warranty lasts, or to
exclude or limit incidental or consequential damages, so the limitations and exclusions
described above may not apply to you.

INTRODUCTION1-4
RB48 HYDRASWEEP
SPECIFICATIONS
ROSCO/ A LEEBOY Company reserves the right to make design or specification
changes without prior notifications or to make any other improvements without incurring
obligations to add them to any machine in existence.
ROSCO/ A LEEBOY Company is continuously improving its products. The
information found in this manual was correct at the time it was approved for publication.
DIMENSIONS
LENGTH, overall .............................................................................. 185 inches (470 cm)
WIDTH, brush in travel position (45°)................................................. 93 inches (236 cm)
HEIGHT, ROPS or Cab .................................................................... 107 inches (272 cm)
WEIGHT, standard equipped .............................................................5,200 lbs (2364 kg)
WHEELBASE ................................................................................... 140 inches (356 cm)
TURNING RADIUS, outside ............................................................. 225 inches (572 cm)
GROUND CLEARANCE, brush.............................................................. 5 inches (13 cm)
TREAD WIDTH, front & rear............................................................... 66 inches (168 cm)
TIRE SIZE ................................................................................................ ST 225/75 R15
DRIVE TRAIN
ENGINE
Type ............................................................................. 4-Cylinder, Water Cooled, Diesel
Make and Model...................................................................................... Cummins 4B3.9
Displacement........................................................................................239 in3(3.92 liters)
Bore................................................................................................4.02 inches (102 mm)
Stroke .............................................................................................4.72 inches (120 mm)
Power @ 2500 RPM...................................................................................76 HP (57 kw)
Ignition System....................................................................................................... 12 volt
Battery ......................................................................................... 12 volt, 950 CCA Rated
Alternator....................................................................................................63 Amp Rated
Air Cleaner ..................................................................................Dry Type, Dual Element
Oil Filter .............................................................................................................. Full Flow
Oil Capacity ..................................................................................11.5 quarts (10.9 liters)
Idle Speed ..........................................................................................................900 RPM
Fuel Tank Capacity ................................................................... 27 US Gallon (123 liters)
Cooling System Capacity ...................................................................16 quarts (18 liters)

1-5 INTRODUCTION
RB48 HYDRASWEEP
DRIVE TRAIN
(continued)
STEERING
Type ...................................Full Hydraulic, Orbitrol Motor, w/Automotive Steering Wheel
...................................................... 4 GPM (15 LPM) Priority Flow at 1500 PSI (10 MPa)
FRONT AXLE
Type ...........................................................................Heavy Duty Truck-type, Oscillating
Brakes ........................................................................ Drum-Type, Hydraulic, Duo-Servo
HYDROSTATIC DRIVE SYSTEM
Pump, Make and Model .......................................................Sauer/Sundstrand 40 Series
Pump, Displacement ................................................................................ 2.8 CIR (46 cc)
Motor, Make and Model........................................................Sauer/Sundstrand 40 Series
Motor, Displacement, 2-Speed................................................................. 2.8 CIR (46 cc)
Hydraulic Reservoir ................................................................... 25 US Gallon (114 liters)
Fluid Type.............................................................................................Mobilfluid No. 424
Filter(s) ......................................................................................... 7 Micron Spin-on Type
Oil Cooler ................................................................................................ Flow-Thru Type
FINAL DRIVE SYSTEM
Gear Box ..................................................................................................... 4.533:1 Ratio
Rear Axle, Differential-type, Semi Float ........................................................ 3.55:1 Ratio
................................................................ Drum-Type Hydraulic Brakes w/Parking Brake
BRUSH OPERATING SYSTEM
Pump ................................................Gear-Type, 16 GPM (61 LPM), 3000 PSI (21 MPa)
Motor .................................................................................... Gerotor-Type, Direct Driven
Brush Core ................................................. 10 in (25.4 cm) x 8 ft (244 cm) Welded Steel
Brush Filler ................................................... 10 in (25.4 cm) x 32 in (81 cm) Wafer-Type
Brush Cover ................................................................................. Steel, 160° Full Length
Brush Speed..................... 200 RPM Max, Variable w/Engine RPM, Forward or Reverse
Brush Angle............................................................................................45°, Left or Right
Down Pressure Control .......................................................... Hydraulic, Fully Adjustable

INTRODUCTION1-6
RB48 HYDRASWEEP
MISCELLANEOUS EQUIPMENT
Instrumentation.........................................................Oil Pressure, Coolant Temperature,
.............................................................................Ammeter, Hourmeter and Tachometer
Seat .............................................................................................................with Seat Belt
Horn.......................................................................................... 12 Volt, Automotive-Type
Back-up Alarm ................................................................... 97 db +/- 4 db at 4 ft (122 cm)
ROPS ............................................................................................OSHA & SAE Certified
OPTIONAL EQUIPMENT
ROPS Cab....................................................................Fully Enclosed, One or Two Door
Air Conditioning ........................................................22,000 Btu/Hr (6448 Watt) Capacity
Heater.......................................................................30,000 Btu/Hr (8793 Watt) Capacity
Defroster Fan(s) ...................................................12 Volt, Variable Speed, Front or Rear
Windshield Wiper(s) ....................................................... 12 Volt, 2-Speed, Front or Rear
Windshield Washer(s) .................................................................... 12 Volt, Front or Rear
Mirrors ......................................................................West Coast Type, Inside Rear View
Lights............................................................................. Work Lights, Stop, Tail and Turn
Rotating Beacon or Strobe .....................................................................................12 Volt
Ether Start ..............................................................................................................12 Volt
Engine Block Heater.............................................................................. 12 Volt, 750 Watt
Engine Pre-Cleaner.................................................................... Standard or Turbo-Type
Optional Instrumentation .....................................Hydraulic Oil Temperature, Fuel Level,
........................................................................................... Engine Warning Light/Buzzer
Water Spray System................................................... Poly Tank, 150 Gallon, w/Strainer,
........................................................................................ 12 Volt Diaphragm-Type Pump
Spare Tire........................................................................................................... Lockable
Optional Seat......................................... Suspension-Type, Fully Adjustable, w/Seat Belt
Plow Blade ............................................................................................................................
NOTES:

Safety Section
1. Safety Symbols..........................................................................................2-2
2. General......................................................................................................2-3
3. Operating...................................................................................................2-4
4. Starting & Stopping ...................................................................................2-4
5. Braking ......................................................................................................2-5
6. Operating...................................................................................................2-5
7. Maintenance..............................................................................................2-5
8. Hydraulics..................................................................................................2-6
9. Transport ...................................................................................................2-7
10. Storage......................................................................................................2-7
11. Tires ..........................................................................................................2-7
12. Refueling ...................................................................................................2-7
13. Battery.......................................................................................................2-8
14. Sign-off Form.............................................................................................2-9
15. Safety Decals ............................................................................. 2-10 to 2-12
16. Decal Information ....................................................................................2-13

SAFETY
RB 48 HYDRASWEEP
2-2
This Safety Alert symbol means
ATTENTION! BECOME ALERT!
YOUR SAFETY IS INVOLVED!
The Safety Alert symbol identifies
important safety messages on the
ROSCO ROAD SWEEPER and in
its manual.When you see this
symbol, be alert to the possibility of
personal injury or death. Follow the
instructions in the safety message.
Why is SAFETY important to you?
3 Big Reasons: *Accidents Disable and Kill
*Accidents Cost
*Accidents Can be Avoided
SignalWords
Note the use of the signal words DANGER,
WARNING and CAUTION with the safety
message.The appropriate signal word for each
message has been selected using the
following guidelines:
DANGER An immediate and specific
hazard which WILL result in
severe personal injury or death
if the proper precautions are
not taken.
WARNING A specific hazard or unsafe
practice which COULD result in
severe personal injury or death
if proper precautions are not
taken.
CAUTION Unsafe practices which COULD
result in personal injury if proper
practices are not taken, or as a
reminder of good safety
practices.
Equipment Safety Symbol
Throughout this manual, whenever you see this "Broken Bolt" symbol, it means:
CAUTION Equipment on the machine could be damaged through
improper performance of an operation, maintenance or
repair procedure.
SAFETY
SAFETY ALERT SYMBOLS