Toro ProCore SR Series User manual

Form No. 10174SL Rev A
ProCore®SR Series
(Models SR48, SR54, SR54-S, SR70, SR70-S,
SR72 and SR75)
Original Instructions (EN)

Revision History
Revision
Date
Description
--
2010
Initial Issue.
A
02/2018
Added revision history.
©
THE TORO COMPANY 2018
This document and all information contained herein is the sole property of The Toro Company (and/or its affiliated companies). No
intellectual property rights are granted by the delivery of this document or the disclosure of its content. This document shall not be
reproduced by a third party without the express written consent of The Toro Company (and/or the appropriate affiliated company).

Reader Comments
The Toro Company Technical Assistance Center maintains a continuous effort to improve the quality
and usefulness of its publications. To do this effectively, we encourage user feedback.
Please comment on the completeness, accuracy, organization, usability, and readability of this manual
by an e-mail to [email protected]
or Mail to:
Technical Publication Manager, Commercial
The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Phone: [phone]

NOTES _

Part No. 10174SL (Rev. A)
Service Manual
ProCoreRSR Series
Preface
The purpose of this publication is to provide the service
technician with information for troubleshooting, testing
and repair of major systems and components on the
ProCore SR series deep tine aerators: models SR48,
SR54, SR54--S, SR70, SR70--S, SR72 and SR75.
REFER TO THE OPERATOR’S MANUAL FOR OPER-
ATING, MAINTENANCE AND ADJUSTMENT
INSTRUCTIONS. For reference, insert a copy of the
Operator’s Manuals and Parts Catalog for your machine
into Chapter 2 of this service manual. Additional copies
of the Operator’s Manuals and Parts Catalog are avail-
able on the internet at www.Toro.com.
The Toro Company reserves the right to change product
specifications or this publication without notice.
This safety symbol means DANGER, WARNING,
or CAUTION, PERSONAL SAFETY INSTRUC-
TION. When you see this symbol, carefully read
the instructions that follow. Failure to obey the
instructions may result in personal injury.
NOTE: ANOTE will give general information about the
correct operation, maintenance, service, testing or re-
pair of the machine.
IMPORTANT: The IMPORTANT notice will give im-
portant instructions which must be followed to pre-
vent damage to systems or components on the
machine.
EThe Toro Company -- 2011, 2018

ProCore SR Series
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ProCore SR Series
Table Of Contents
Chapter 1 -- Safety
Safety Instructions 1 -- 2..........................
Safety and Instruction Decals 1 -- 4................
Chapter 2 -- Product Records and Maintenance
Product Records 2 -- 1...........................
Maintenance 2 -- 1...............................
Equivalents and Conversions 2 -- 2................
Torque Specifications 2 -- 3.......................
Chapter 3 -- Chassis
General Information 3 -- 1........................
Service and Repairs 3 -- 2........................
Chapter 4 -- Coring Head (SR54 & SR70)
Specifications 4 -- 2..............................
General Information 4 -- 4........................
Special Tools 4 -- 7..............................
Service and Repairs 4 -- 8........................
Chapter 5 -- Coring Head (SR48 & SR72)
Specifications 5 -- 2..............................
General Information 5 -- 4........................
Special Tools 5 -- 6..............................
Service and Repairs 5 -- 8........................
Chapter 6 -- Coring Head (SR75)
Specifications 6 -- 2..............................
General Information 6 -- 4........................
Special Tools 6 -- 6..............................
Service and Repairs 6 -- 8........................
Chapter 7 -- Gearbox Service
General Information 7 -- 1........................
Service and Repairs 7 -- 2........................
SafetyProduct Records
and Maintenance
ChassisCoring Head
(SR54 & SR70)
Coring Head
(SR48 & SR72)
Coring Head
(SR75)
Gearbox
Service

ProCore SR Series
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ProCore SR Series Page 1 -- 1 Safety
Chapter 1
Safety
Table of Contents
SAFETY INSTRUCTIONS 2......................
Before Operating 2............................
While Operating 3.............................
Maintenance and Service 3....................
SAFETY AND INSTRUCTION DECALS 4..........
Safety

ProCore SR SeriesPage 1 -- 2Safety
Safety Instructions
The ProCore SR series of deep tine aerators are de-
signed and tested to offer safe service when operated
and maintained properly. Although hazard control and
accident prevention partially are dependent upon the
design and configuration of the machine, these factors
are also dependent upon the awareness, concern and
proper training of the personnel involved in the opera-
tion, transport, maintenance and storage of the ma-
chine. Improper use or maintenance of the machine can
result in injury or death. To reduce the potential for injury
or death, comply with the following safety instructions.
WARNING
To reduce the potential for injury or death, com-
ply with the following safety instructions.
Before Operating
1. Review and understand the contents of the Opera-
tor’s Manual before starting and operating the vehicle.
Become familiar with the controls and know how to stop
the vehicle and engine quickly. Additional copies of the
Operator’s Manual are available on the internet at
www.Toro.com.
2. Keep all shields, safety devices and decals in place.
If a shield, safety device or decal is defective, illegible
or damaged, repair or replace it before operating the
machine.
3. Make sure that the tractor is carefully selected to as-
sure the best performance and safe operation of the
ProCore deep tine aerator.
4. Make sure that operator is familiar with safe tractor
operation.
5. Tighten any loose nuts, bolts or screws to ensure
machine is in safe operating condition.
6. Make sure that the ProCore deep tine aerator is
properly attached to tractor.