Toro 23515 User manual

21 inch Aerator
Service Manual
Residential and
LCE Products


ABOUT THIS MANUAL
This service manual was written expressly for Toro service technicians. The Toro Company has made every effort to
make the information in this manual complete and correct.
Basic shop safety knowledge and mechanical/electrical skills are assumed. The Table of Contents lists the systems
and the related topics covered in this manual.
For information specic to the engines used on this unit, refer to the appropriate engine manufacturer’s service and
repair instructions.
The Toro 21” Aerator, model year 2012-2014, is covered in this manual. The manual may also be specied for use on
later model products.
Due to the compact design, parts were removed for photographic purposes when necessary.
The hydraulic components are sophisticated pieces of machinery. Maintain strict cleanliness control during all stages
of service and repair. Cover or cap all hose ends and ttings whenever they are exposed. Even a small amount of dirt
or other contamination can severely damage the system.
We are hopeful that you will nd this manual a valuable addition to your service shop. If you have any questions or
comments regarding this manual, please contact us at the following address:
The Toro Company
Residential and Landscape Contractor Service Training Department
8111 Lyndale Avenue South
Bloomington, MN 55420
The Toro Company reserves the right to change product specications or this manual without notice.
Copyright© All Rights Reserved
©2013 The Toro Company

ABOUT THIS MANUAL
THIS PAGE INTENTIONALLY LEFT BLANK.

TABLE OF CONTENTS
TOC-1
Toro 21” Aerator Service Manual
1 - Safety Information
General Information ..................................................................................................................................... 1-1
Think Safety First......................................................................................................................................... 1-1
2 - Specications & Maintenance
Specications 2012-13 models (Serial 312000001 & up, Serial 313000001 & up) ..................................... 2-1
Specications 2014 models (Serial 314000001 & up) ................................................................................. 2-2
Handle Adjustment (Serial 314000001 & up) .............................................................................................. 2-3
Adjusting the Coring Depth (All Models)...................................................................................................... 2-4
Adjusting the Tine Control Lever 2014 models (Serial 314000001 & up) .................................................... 2-5
Lift Drop Cable Adjustment 2012-13 models (Serial 312000001 & up, Serial 313000001 & up) ................ 2-7
Recommended Maintenance Schedule....................................................................................................... 2-8
Accessing the Tines & Tipping the Machine ................................................................................................ 2-9
Greasing the Tine Shaft Bearings.............................................................................................................. 2-10
Lubricating & Checking the Drive Chains & Sprockets.............................................................................. 2-10
Servicing the Air Cleaner ............................................................................................................................2-11
Changing the Engine Oil............................................................................................................................ 2-12
Changing the Oil Filter ............................................................................................................................... 2-13
Servicing the Spark Plug ........................................................................................................................... 2-14
Check the Spark Arrester (if equipped) ..................................................................................................... 2-15
Emptying the Fuel Tank and Cleaning the Fuel Filter ................................................................................ 2-15
Replacing the Fuel Filter............................................................................................................................ 2-16
Checking the Tire Pressure ....................................................................................................................... 2-17
Adjusting the Tension of Tine Drive Chains ............................................................................................... 2-17
Checking the Hydrostatic Drive Belt .......................................................................................................... 2-18
Adjusting the Machine Ground Speed 2012-13 models (Serial 312000001 & up,
Serial 313000001 & up) ...................................................................................................................... 2-19
Adjusting the Self-Propel Drive 2014 models (Serial 314000001 & up) .................................................... 2-21
Changing the Hydraulic Transmission Fluid .............................................................................................. 2-22
Checking/Replacing Tines ......................................................................................................................... 2-22
Troubleshooting ......................................................................................................................................... 2-23
3 - Chassis
Handle Subsystem – 2012 (Serial 312000001 & up), 2013 (Serial 313000001 & up) ................................ 3-1
Handle Subsystem – 2014 (Serial 314000001 & up) .................................................................................. 3-2
Engine Frame Subsystem – 2012 (Serial 312000001 & up), 2013 (Serial 313000001 & up) ..................... 3-3
Engine Frame Subsystem – 2014 (Serial 314000001 & up) ....................................................................... 3-4
Height Linkage............................................................................................................................................. 3-5
Subsystem – Height Linkage - 2012 (Serial 312000001 & up), 2013 (Serial 313000001 & up) ................. 3-5
Subsystem – Height Linkage - 2014 (Serial 314000001 & up) ................................................................... 3-6
Drive Cable Removal & Installation ............................................................................................................. 3-7
Tine Control Cable Removal & Installation - Serial 312000001 & up, Serial 313000001 & up ................... 3-9
Adjusting Handle - Serial 314000001 & up.................................................................................................3-11
Adjusting the Tine Control Lever - Serial 314000001 & up ....................................................................... 3-12
Replacing Pivot Shaft - Serial 312000001 & up, Serial 313000001 & up .................................................. 3-13
Replacing Pivot Shaft - Serial 314000001 & up ........................................................................................ 3-16
Replacing the Front Drive Axle - All Models .............................................................................................. 3-20

TABLE OF CONTENTS
TOC-2 Toro 21” Aerator Service Manual
4 - Hydraulic & Engine Mounting
Aerator Transaxle Subsystem .........................................................................................................................4-1
Transmission Replacement .............................................................................................................................4-2
Transmission Removal ..............................................................................................................................4-2
Changing Transmission Oil .......................................................................................................................4-5
Servicing the Jack Shaft & Output Shaft .........................................................................................................4-6
Jack Shaft & Output Shaft Removal .........................................................................................................4-6
Jack Shaft & Output Shaft Installation ......................................................................................................4-9
Transmission Installation .........................................................................................................................4-10
Engine Subsystem.........................................................................................................................................4-13
Engine Replacement .....................................................................................................................................4-14
Engine Removal ......................................................................................................................................4-14
Engine Installation ...................................................................................................................................4-14
5 - Tine System
Tines Subsystem .............................................................................................................................................5-1
Checking/Replacing Tines ...............................................................................................................................5-2
Tine Assembly Replacement ...........................................................................................................................5-3
Tine Assembly Removal ............................................................................................................................5-3
Tine Assembly Installation .........................................................................................................................5-6

SAFETY INFORMATION
1-1
Toro 21” Aerator Service Manual
1
General Information
This symbol means WARNING or
PERSONAL SAFETY INSTRUCTION -
read the instruction because if has to do
with your safety. Failure to comply with the
instruction may result in personal injury or
even death.
This manual is intended as a service and repair manual
only. The safety instructions provided herein are for
troubleshooting, service, and repair of the Toro 30”
Aerator. The 21” Aerator/Seeder operator’s manual
contains safety information and operating tips for safe
operating practices. Operator’s manuals are available
through your Toro parts source or:
The Toro Company
Publications Department
8111 Lyndale Avenue South
Bloomington, MN 55420
Think Safety First
Avoid injury from batteries...
Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes, and clothing. Battery gases can
explode. Keep cigarettes, sparks, and ames away from
the battery.
Avoid injury due to inferior parts...
Use only original equipment parts to ensure that
important safety criteria are met.
Avoid injury to bystanders...
Always clear the area of bystanders before starting or
testing powered equipment.
Avoid injury due to projectiles...
Always clear the area of sticks, rocks, or any other
debris that could be picked up and thrown by the
powered equipment.
Avoid modications...
Never alter or modify any part unless it is a factory
approved procedure.
Avoid unsafe operation...
Always test the safety interlock system after making
adjustments or repairs on the machine. Refer to the
Electrical section in this manual for more information.
Avoid unexpected starting of engine...
Always turn off the engine and disconnect the spark plug
wire(s) before cleaning, adjusting, or repair.
Avoid lacerations and amputations...
Stay clear of all moving parts whenever the engine is
running. Treat all normally moving parts as if they were
moving whenever the engine is running or has the
potential to start.
Avoid burns...
Do not touch the engine, mufer, or other components
which may increase in temperature during operation,
while the unit is running or shortly after it has been
running.
Avoid res and explosions...
Avoid spilling fuel and never smoke while working with
any type of fuel or lubricant. Wipe up any spilled fuel
or oil immediately. Never remove the fuel cap or add
fuel when the engine is running. Always use approved,
labeled containers for storing or transporting fuel and
lubricants.
Avoid asphyxiation...
Never operate an engine in a conned area without
proper ventilation.
!

SPECIFICATIONS & MAINTENANCE
2-1
Toro 21” Aerator Service Manual
2
Specications 2012-13 models (Serial 312000001 & up, Serial 313000001 & up)
21” Single Hydro Aerator
Model: 23515 / 33515
Engine: 10.9 cu-in. (179cm³)
Make Kawasaki
Model FJ180V
Hi-Idle 3600 RPM
Low-Idle 1250-1550 RPM
Spark Plug BPR6ES (NKG)
Spark Plug Gap .030"/.76mm
Oil SAE 10W-30
Oil Capacity 0.6 Qt. (0.6 liters)
Starter Recoil Only
Fuel Tank Volume 1.0 US gal (3.8 L)
Power System:
Transmission Hydro-Gear T2
Hydraulic Fluid Toro premium hydro oil or
Mobil1 15w-50
Hydraulic Fluid Capacity 65.9 oz. (1950ml)
Ground Speed (fwd/rev) 4 mph/2.2 mph
Drive Tires (pneumatic) 11 x 4.00 - 4
Tire Pressure 46 psi (317 kPa)
Dimensions:
Width (in/cm) 31.0/79.0
Length Operating
(in/cm) 61.0/155.0
Length Handle Stored
(in/cm) 48.5/123.0
Height Operating
(in/cm) 45.25/115.0
Height Handle Stored
(in/cm) 32.5/82.5
Weight (lb/kg) 310.0/140.6
Max Operating Depth
(in/cm) 4.0/10.2
Plugs per sq-ft. /
sq-meter 4.6/49.5

SPECIFICATIONS & MAINTENANCE
2-2 Toro 21” Aerator Service Manual
2
Specications 2014 models (Serial 314000001 & up)
21” Single Hydro Aerator
Model: 23515 / 33515
Engine: 10.9 cu-in. (179cm³)
Make Kawasaki
Model FJ180V
Hi-Idle 3700 + 50 RPM
Low-Idle 1250-1550 RPM
Spark Plug BPR6ES (NKG)
Spark Plug Gap .030"/.76mm
Oil SAE 10W-30
Oil Capacity 0.6 Qt. (0.6 liters)
Starter Recoil Only
Fuel Tank Volume 1.0 US gal (3.8 L)
Power System:
Transmission Hydro-Gear T2
Hydraulic Fluid Toro premium hydro oil or
Mobil1 15w-50
Hydraulic Fluid Capacity 65.9 oz. (1950ml)
Ground Speed (fwd/rev) 4 mph/2.2 mph
Drive Tires (pneumatic) 11 x 4.00 - 4
Tire Pressure 46 psi (317 kPa)
Dimensions:
Length - handle in lowest position
(in/cm) 58/147
Length - handle in middle position
(in/cm) 59/150
Length - handle in highest position
(in/cm) 61/155
Length Handle Stored (in/cm) 42/107
Width (in/cm) 31/79
Height - handle in lowest position
(in/cm) 48/122
Height - handle in middle position
(in/cm) 50/127
Height - handle in highest position
(in/cm) 52/132
Height Handle Stored (in/cm) 34/86
Weight - as shipped with 2 weights
(lb/kg) 380/172.4
Plugs per sq-ft. / sq-meter 4.6/49.5
Other manuals for 23515
4
This manual suits for next models
1
Table of contents
Other Toro Tiller manuals
Popular Tiller manuals by other brands

MTD
MTD OHV Series Original operating instructions

YAT
YAT YT5601-01 Assembly, Use, Maintenance Manual

Craftsman
Craftsman 917.296010 owner's manual

Troy-Bilt
Troy-Bilt OEM-290-260 Operator's manual

Scheppach
Scheppach MTP560 Translation from the original instruction manual

GARDEN WAY
GARDEN WAY 12194 owner's manual

Classen
Classen STAND-AER SA-25 Operator's manual and parts list

Craftsman
Craftsman 850 Series owner's manual

DR
DR PILOT 2 Safety & Operating Instructions

Altrad
Altrad ATIKA BH 1400 N Original instructions, safety instructions, spare parts

WIL-RICH
WIL-RICH 2500 Operator's manual

Viking
Viking HB 685 instruction manual






























