Part No. 10174SL
Service Manual
ProCoreR SR 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 TOTHEOPERATOR’SMANUAL FOROPER-
ATING, MAINTENANCE AND ADJUSTMENT
INSTRUCTIONS. For reference, insert a copy of the
Operator’sManuals andPartsCatalog for yourmachine
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 ToroCompany reserves the right to changeproduct
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 instructionswhichmust be followed to pre-
vent damage to systems or components on the
machine.
E The Toro Company - 2011
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