The Toro General Commercial Products Warranty16. .
Page
Read this manual carefully to learn how to operate and
maintain your product properly. The information in this
manual can help you and others avoid injury and product
damage. Although Toro designs and produces safe
products, you are responsible for operating the product
properly and safely.
Whenever you need service, genuine Toro parts, or
additional information, contact an Authorized Service
Dealer or Toro Customer Service and have the model and
serial numbers of your product ready. The two numbers are
stamped on a plate which is riveted to the main arm.
Write the product model and serial numbers in the space
below:
Model No.
Serial No.
This manual identifies potential hazards and has special
safety messages that help you and others avoid personal
injury and even death. Danger, Warning, and Caution are
signal words used to identify the level of hazard. However,
regardless of the hazard, be extremely careful.
Danger signals an extreme hazard that will cause serious
injury or death if you do not follow the recommended
precautions.
Warning signals a hazard that may cause serious injury or
death if you do not follow the recommended precautions.
Caution signals a hazard that may cause minor or moderate
injury if you do not follow the recommended precautions.
This manual uses two other words to highlight information.
Important calls attention to special mechanical
information and Note: emphasizes general information
worthy of special attention.
W 2000, 2006 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
All Rights Reserved
Printed in the USA
2
Safety
Before Operating
• Read and understand the contents of this Operator’s
Manual before operating the machine. Become familiar
with all of the controls and know how to stop quickly. A
free replacement manual is available by sending the
complete Model and Serial Number to The Toro
Company, 8111 Lyndale Avenue South, Bloomington,
Minnesota 55420-1196.
• Never allow children to operate the machine. Do not
allow adults to operate machine without proper
instruction. Only trained operators who have read this
manual should operate this machine.
• Never operate the machine when under the influence of
drugs or alcohol.
– Drive slowly and watch for holes or other hidden
hazards.
– Do not drive close to a sand trap, ditch, creek, or
other hazard.
– Reduce your speed when making sharp turns and
when turning on hillsides.
– Avoid sudden starts and stops.
• Do not take an injury risk! When a person or pet
appears unexpectedly in or near the operating area, stopoperation. Careless operation, combined with terrain
angles, ricochets, or improperly positioned guards can
lead to thrown object injuries. Do not resume operation
until the area is cleared.
• Operator must be skilled and trained in how to drive on
hillsides. Failure to use caution on slopes or hills may
cause loss of control possibly resulting in personal
injury or death.
• Keep all bystanders away from the operating area.
• Keep all shields and safety devices in place. If a shield,
safety device, or decal is illegible or damaged, repair or
replace it before operation is commenced. Also tighten
any loose nuts, bolts, and screws to ensure that the
machine is in safe operating condition.
• Before each use, be sure all bolts and nuts are tight.
Check the general condition of the PTO and chain.
• Do not alter this equipment in any manner which may
cause hazardous conditions.
• Do not operate the machine while wearing sandals,
tennis shoes, sneakers, or shorts. Also, do not wear
loose fitting clothing which could get caught in moving
parts. Always wear long pants and substantial shoes.
Wearing safety glasses, safety shoes, and a helmet is
advisable and required by some local ordinances and
insurance regulations.
While Operating
Danger
Rotating blades, discs or tines can cause serious
injury.
• Keep hands and feet out of blades, discs or tines
while the engine is running.
• Keep bystanders out of the area of operation.
• Stop engine before servicing machine.
• Using the machine demands attention. To prevent loss
of control:
– Operate only in daylight or when there is good
artificial light.
• If tractor engine stalls or machine loses headway and
cannot make it to the top of a slope, do not turn
machine around. Always back slowly straight down the
slope.
• Do not carry passengers on the machine or tractor and
keep everyone away from the areas of operation.
• Before getting off the tractor seat:
– Place the tractor in neutral position and put the
engine in idle position.
– Set the parking brake and disengage the PTO.
– Shut the engine off and remove key from ignition
switch. Wait for all movement to stop before getting
off seat.
• ALWAYS follow all safety precautions in the tractor’s
or towing vehicles operator manual pertaining to
attachments.
Maintenance
• Remove the key from the tractor’s ignition switch to
prevent accidental starting of the engine when
servicing, adjusting or storing the machine.
• Be sure that the machine is in safe operating condition
by keeping nuts, bolts, and screws tight.
• Make sure that all hydraulic line connectors are tight
and all hydraulic hoses and lines are in good condition
before applying pressure to the system.
• Keep your body and hands away from pin hole leaks in
hydraulic lines that eject high pressure hydraulic fluid.
Use cardboard or paper to find hydraulic leaks.
Hydraulic fluid escaping under pressure can penetrate
skin and cause injury. Fluid accidentally injected into
3
the skin must be surgically removed within a few hours
by a doctor familiar with this form of injury or gangrene
may result.
• Before disconnecting or performing any work on the
hydraulic system, all pressure in the system must be
relieved by stopping the engine and lowering the blower
to the ground.
• Perform only those maintenance instructions described
in this manual. If major repairs are ever needed or
assistance is desired, contact an Authorized Toro
Distributor.
• To ensure optimum performance and safety, always
purchase genuine Toro replacement parts and
accessories to keep the machine all Toro. Never use
“will-fit” replacement parts and accessories made by
other manufacturers. Look for the Toro logo to ensure
genuineness. Using unapproved replacement parts and
accessories could void the warranty.
4
Safety and Instruction Decals
Safety decals and instructions are easily visible to the operator and are located near any area
of potential danger. Replace any decal that is damaged or lost.
ON CHAIN GUARDS
(Part No. 01–506–0050)
ON MAIN FRAME
(Part No. 01–506–0160)
ON MAIN FRAME
(Part No. 99-4486)
NEAR BEARINGS & GREASE POINTS
(Part No. 58-6520)
ON MAIN FRAME & ROLLER SHIELDS
(Part No. 104–0332)
ON HITCH ARM
(Part No. 01–506–0130)
5
Specifications
Note: Specifications and design subject to change without notice.
General Specifications
Tractor RequirementsThe tractor should be 30 HP or over and a PTO speed of 540 RPM.
Aerating/Thatch Swath48”, blade tip to blade tip. Offset mounting covers the tire tread
HitchStandard 3 point hitch.
DrivePTO to gearbox, sealed bearing and sprocket, #H80 chain to blade shaft.
Heavy duty 90 HP rated gearbox features right angle drive with extended output
Gearbox
Bearings1–1/4”, High speed, sealed and self aligning.
Blades3” center – (16) 12 ga. 10 pt.
Blade Shaft1–1/2” sq., high carbon steel.
Blade Depth0–3” in 1/4” increments.
GuardsSafety shield in front and rear of blades, standard.
FrameAll welded steel construction.
shaft, reverse blade operation can be achieved by reverse mounting of the
gearbox. Gearbox capacity is 1.7 l of SAE 90 EP API GLS transmission oil
Skid ShoesSteel with 1/4” plate iron brace and gussets.
Roller
Dimensions
Shipping Weight550 lbs.
Full width, 3–1/2” diameter roller with sealed bearings. Roller is integral with the
skid shoes, also, incorporates a spring loaded wiper for full width of roller.
Width – 60”
Length – 57”
Height – 36” ( with 3 pt. hitch)
Optional Equipment
7 Ga. Thatcher Blade AssemblyPart No. 104–1286
10 Ga. Thatcher Blade AssemblyPart No. 104–1285
12 Ga. Thatcher Blade AssemblyPart No. 100–7734
1” Space, 12 Ga. Thatcher Blade
Assembly
Part No. 104–1287
6
Setup
Attach Aerothatch to Tractor
Important The tractor should be 30 HP or over, a
PTO speed of 540 RPM and have a well operating three
point hitch. Do not operate at a faster speed because the
blades, sprockets, gearbox and PTO will be damaged.
dimension in step 8, the PTO shaft is too long, proceed
to step 5. If there is enough clearance to allow PTO
shaft to collapse, proceed to step 10.
1
1. Lower the three point hitch arms on the tractor.
2. Position the Aerothatch so that the three point hitch
arms of the tractor line up with the main arms of the
aerothatch.
3. Connect the two halves of the PTO and slowly slide the
Aerothatch toward the tractor.
4. Line up the three point arms and the stabilizer arm of
the tractor with the Aerothatch. Secure all arms with the
tractor hardware.
5. Connect the PTO half (1– 3/8” splined splined Twist
Lock) to the tractor. Decal on shaft denotes tractor end.
Note: When new, the spring lock lever on the end of the
PTO is hard to operate. Apply grease and move the lever
until it snaps in and out freely. In the correct position the
lever will spring back out and lock the two shafts together.
Danger
• The spring lever must be locked into position
before operating.
• Failure to lock the spring lever will result in the
PTO disconnecting from the tractor.
1.5”
(37 mm)
Figure 1
1. PTO shaft
10. Use the following calculation to establish how much
shorter the shaft must be, when connected, to ensure a
clearance of 1.5 inches (37 mm).
A. Subtract the dimension recorded in step 7 from the
dimension recorded in step 8. Record this
dimension.
B. Subtract 1.5” (37mm) from the result in step 10A.
The PTO shaft must be shortened by this amount.
11. Using a hacksaw, cut the yellow guards and the steel
tubes shorter by the calculated length. Cut both halves
of the PTO shaft
12. Deburr ends of steel tubes internally and externally.
13. Remove all debris from tube sections.
14. Grease steel tubes liberally.
Important A long PTO shaft is supplied with machine
to accommodate large variations in the tractor’s PTO and 3
point locations. For most tractors this shaft is too long and
must be cut to correct length or gearbox damage may
result.
6. Lower the Aerothatch until the gear box shaft is
approximately the same height as the tractor PTO shaft.
This is the shortest distance between the two shafts.
7. Measure the distance from the lock groove of the tractor
PTO shaft to the lock groove of the Aerothatch gearbox
PTO shaft. Record this dimension.
8. Fully collapse PTO shaft and measure the distance
between the lock pin collars. Record this dimension.
9. At it’s shortest length, the two halves of the PTO shaft
must have at least 1.5 inches (37 mm) of additional
clearance to collapse (Fig. 1). If the dimension in step 7
is not at least 1.5 inches (37 mm) greater than the
15. Assemble PTO shaft and secure to Aerothatch and
tractor.
16. Measure the shaft. If not at least 1.5 inches (37 mm),
repeat procedure.
Blade Depth Settings
The blade thatching depth is adjustable from 0–3 inches.
Settings are made by moving the skid shoes up or down on
the holes in the frame at 1/4” increments.
To Set:
1. Remove the 1/2” x 1– 1/2” bolts attaching the skids to
the frame.
2. Move the skid up or down until desired depth is
reached. Moving the skids up allows a deeper setting
and moving them down allows a shallow setting.
3. Replace the bolts attaching the skids to the frame.
Secure tightly.
7
4. Repeat the procedure on the opposite side.
Important Always set both skids at the same depth.
Uneven skid height will cause a variance in cutting
depth across the blade shaft.
Figure 2
8
Operating Instructions
Important The tractor should be 30 HP or over, a
PTO speed of 540 RPM and have a well operating three
point hitch. Do not operate at a faster speed because the
blades, sprockets, gearbox and PTO will be damaged.
1. Start tractor engine and run at a low RPM. Using the
tractor
to clear the ground.
2. With the tractor engine at idle, engage PTO and
gradually increase PTO speed to 540 RPM.
s hydraulics raise the Aerothatch high enough
3. Select tractor forward speed.
4. With tractor moving forward at 3 to 5 MPH, gradually
lower the unit to cutting position.
5. If seeding, turn the remote handle to the ”ON” position.
Important NEVER engage the PTO with the blades
in the ground because the blades, chain, sprockets and
PTO will be damaged.
6. Always operate in a straight line. NEVER attempt to
make turns with the unit in the cutting position.
7. When making turns, raise the unit high enough to clear
the ground.
8. If extremely dry or hard soil is encountered, tractor
speed and/or blade cutting depth should be reduced.
Important 3 MPH is the recommended operating
speed. 5 MPH can be used if thatching depths are
shallow (1/4” to 1”) or if the soil is loose and free of
compaction.
Blade Configurations
Blades should be orientated on the reel shaft so they rotate
in a spiral. Each blade should be positioned 90 degrees
forward, of the next blade, on the reel shaft (Fig. 3).
Standard Configuration
Figure 4
Refer to page 11 & 12 for instructions to change blade
configurations.
Figure 3
To obtain the best results when thatching or seeding and to
help reduce blade wear, the blades should be positioned so
they rotate forward when moving forward (Fig. 4).
9
Lubrication
Bearings
The Aerothatch 83 has two self sealing bearings that must
be lubricated with a No. 2 Lithium based grease (Fig. 5).
Important Lubricate the bearings after every 40
hours of operation or weekly to maintain a slight
leakage on the seals. Too much grease can cause
overheating.
Drive Chain
There is a drive chain on the blade shaft of the Aerothatch
83. Always maintain a heavy coat of grease on the drive
chains (Fig. 5).
PTO
Grease the PTO fittings weekly or every 40 operating
hours. Use a No. 2 Lithium based grease (Fig. 5).
Gearbox
Check lubricant level in gearbox every 40 hours of
operation (Fig. 5). Add good quality transmission oil,
80–90 weight. Fill gearbox to level of side filler plug. Oil
should seep from opening when plug is removed. Change
oil in the gearbox after the first 100 hours of operation.
Thereafter, change oil every 2500 hours or every six
months which ever comes first.
Figure 5
10
Maintenance
Drive Chain Adjustment
The drive chain (Fig. 6) is adjusted to allow a 1/4”
deflection. Do not over tighten the chain because it will
wear rapidly. If chain is to loose, the sprocket will wear.
1. Remove the chain guard.
2. Loosen the nuts on the bolts connecting the gearbox to
the frame.
3. Turn the adjustment bolt to adjust the chain. Turn
clockwise to tighten, counterclockwise to loosen.
4. Tighten the four bolts and the nuts on the gearbox.
Blade/Disc Alignment
When replacing the blade or disc shaft, use the dimensions
shown as a reference to keep the disc shaft in line with the
blade shaft (Fig. 7).
This is very important when seeding, allowing the seed to
fall into the blade groove for maximum germination.
When aligning the two shafts, it is much easier to try and
line the blade shaft up with the disc shaft.
Always use the proper blade spacer with blade thickness 12
ga., 10 ga. or 7 ga. The effective 3 inch spacing is then
maintained. Use skid connector link spacers and adjust 93
seeder and 83 Aerothatch.
2–7/8”
1/4”
Figure 6
2–7/8”
Figure 7
11
Changing Blade Configuration
Replace thatcher blades when they are worn to less than 10
inch diameter.
Blades should be orientated, on the reel shaft, so they rotate
in a spiral. Each blade should be positioned 90 degrees
forward, of the next blade, on the reel shaft (Fig. 8).
Whenever the blade and shaft assembly is disassembled,
make sure to re–torque the nut to 450 ft.–lb and bend the
locking tab over the nut.
Figure 8
Reverse blade operation, can be achieved, by reversing the
mounting of the gearbox. Always re–install cover to unused
shaft.
1
Direction
Travel
1. Gearbox
of
Figure 9
12
Thatching and Seeding
Seeding, Clean Groove No
Thatcher is set up from the factory this way.
Direction of Travel
Blade
Rotation
Figure 10
Heavy Thatching and Seeding
Gearbox must be turned around so output shaft is rotating
clockwise (as you look at the gearbox). Thatching blades
must be removed and turned around or the Optional Blade
Shaft Assembly, Part No. 100–7734, must be installed.
Direction of Travel
Thatching
Gearbox must be mounted, as shipped from the factory, so
output shaft is rotating counter–clockwise (as you look at
the gearbox). Thatching blades must be removed and
turned around or the Optional Blade Shaft Assembly, PArt
No. 100–7734, must be installed.
Direction of Travel
Blade
Rotation
Figure 12
Seeding, Clean Groove Light
Thatching
Figure 11
Blade
Rotation
Gearbox must be turned around so output shaft is rotating
clockwise (as you look at the gearbox). Thatching blades
must be installed, as shipped from the factory or the
Optional Blade Shaft Assembly, PArt No. 104–1288, must
be installed.
Direction of Travel
Blade
Rotation
Figure 13
13
Trouble Shooting
ConditionCauseCorrection
Excessive Vibration1. Blades too deep (extremely
dry soil)
2. PTO speed too low.
3. Check for missing blades.
4. Blade shaft bent.
5. Jam nut on end of blade is
loose.
6. Ground speed of tractor is too
fast
Blades Quit Turning7. Broken chain.
8. Loose chain.
9. Check if sprocket is turning, a
key may be sheared.
10.Check blades on shaft, they
may be rounded off.
1. Change blade depth.
2. Bring PTO speed up 540rpm.
3. Replace blades
4. Bring PTO speed down as low
as possible and watch rotation
of blade shaft for wobble or turn
off Aerothatch and set on level
surface then measure from
floor to blade, rotate shaft to
several positions, measure,
compare dimensions. Replace
blade shaft if necessary.
5. Make sure there is no damage,
then tighten nut.
6. Slow down tractor until
vibration stops.
7. Replace chain.
8. Adjust drive chain tension.
9. Replace key.
10.Replace the blades.
Gearbox Grinds11. Check oil level. Remove side
filler plug. Oil should seep from
opening.
12.Gear teeth or bearings inside
gearbox damaged.
Blades Cutting At Different Depths13.Skid shoes adjusted incorrectly.
14.Blades worn unevenly. Once
blades are worn to a diameter
of 10”, they should be replaced.
15.Check jam nut on end of shaft,
it may be loose.
11. Fill with 80–90 weight oil.
12.Replace any worn or damaged
parts.
13.Adjust blade depth.
14.Replace worn blades.
15.Make sure no damage has
been done, then tighten nut.
14
Storage
1. Thoroughly clean the Aerothatch.
2. Check all fasteners. Tighten as necessary.
3. Grease or oil all grease fittings and bearings. Wipe off
excess lubricant.
4. Check the tension and condition of the drive chains.
Adjust the tension if necessary and apply a heavy
coating of grease to the chains.
5. Fill the gearbox with oil. See Lubrication section.
15
The Toro General Commercial Products Warranty
A Two-Year Limited Warranty
Conditions and Products Covered
The Toro Company and its affiliate, Toro Warranty Company,
pursuant to an agreement between them, jointly warrant your Toro
Commercial Product (“Product”) to be free from defects in
materials or workmanship for two years or 1500 operational
hours*, whichever occurs first. Where a warrantable condition
exists, we will repair the Product at no cost to you including
diagnosis, labor, parts, and transportation. This warranty begins
on the date the Product is delivered to the original retail purchaser.
* Product equipped with hour meter
Instructions for Obtaining Warranty Service
You are responsible for notifying the Commercial Products
Distributor or Authorized Commercial Products Dealer from whom
you purchased the Product as soon as you believe a warrantable
condition exists.
If you need help locating a Commercial Products Distributor or
Authorized Dealer, or if you have questions regarding your
warranty rights or responsibilities, you may contact us at:
Toro Commercial Products Service Department
Toro Warranty Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
952-888-8801 or 800-982-2740
E-mail: commercial.service@toro.com
Owner Responsibilities
As the Product owner, you are responsible for required maintenance and adjustments stated in your operator’s manual. Failure
to perform required maintenance and adjustments can be grounds
for disallowing a warranty claim.
Items and Conditions Not Covered
Not all product failures or malfunctions that occur during the
warranty period are defects in materials or workmanship. This
express warranty does not cover the following:
• Product failures which result from the use of non-Toro
replacement parts, or from installation and use of add-on,
modified, or unapproved accessories
• Product failures which result from failure to perform required
maintenance and/or adjustments
• Product failures which result from operating the Product in an
abusive, negligent or reckless manner
• Parts subject to consumption through use unless found to be
defective. Examples of parts which are consumed, or used up,
during normal Product operation include, but are not limited to,
blades, reels, bedknives, tines, spark plugs, castor wheels,
tires, filters, belts, and certain sprayer components such as
diaphragms, nozzles, and check valves, etc.
• Failures caused by outside influence. Items considered to be
outside influence include, but are not limited to, weather,
storage practices, contamination, use of unapproved coolants,
lubricants, additives, or chemicals, etc.
• Normal “wear and tear” items. Normal “wear and tear” includes,
but is not limited to, damage to seats due to wear or abrasion,
worn painted surfaces, scratched decals or windows, etc.
Parts
Parts scheduled for replacement as required maintenance are
warranted for the period of time up to the scheduled replacement
time for that part.
Parts replaced under this warranty become the property of Toro.
Toro will make the final decision whether to repair any existing part
or assembly or replace it. Toro may use factory remanufactured
parts rather than new parts for some warranty repairs.
General Conditions
Repair by an Authorized Toro Distributor or Dealer is your sole
remedy under this warranty.
Neither The Toro Company nor Toro Warranty Company is
liable for indirect, incidental or consequential damages in
connection with the use of the Toro Products covered by this
warranty, including any cost or expense of providing substitute equipment or service during reasonable periods of
malfunction or non-use pending completion of repairs under
this warranty. Except for the Emissions warranty referenced
below, if applicable, there is no other express warranty. All
implied warranties of merchantability and fitness for use are
limited to the duration of this express warranty.
Some states do not allow exclusions of incidental or consequential
damages, or limitations on how long an implied warranty lasts, so
the above exclusions and limitations may not apply to you.
This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state.
Note regarding engine warranty: The Emissions Control System
on your Product may be covered by a separate warranty meeting
requirements established by the U.S. Environmental Protection
Agency (EPA) and/or the California Air Resources Board (CARB).
The hour limitations set forth above do not apply to the Emissions
Control System Warranty. Refer to the Engine Emission Control
Warranty Statement printed in your operator’s manual or contained in the engine manufacturer’s documentation for details.
Countries Other than the United States or Canada
Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer)
to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor’s service or
have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty
Company.
Part No. 374-0031 Rev. C
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