Page 1
CRAFTSMAN.
OWNERS
MANUAL
MODEL NO.
757.243481
Caution:
Read Rules for
Safe Operation
and Instructions
Carefully
FOR USE WITH RIDERS
AND LAWN/GARDEN TRACTORS
LAWN AERATOR
(PLUG-TYPE)
Assembly
Installation
Operation
Repair Parts
L-1S90-SC-2 Sears, Roebuck and Co., Hoffman Estates, IL 60t79, U. S. A.
Page 2
LIMITED TWO YEAR WARRANTY ON AERATOR
For 2 years from the date of purchase, when this Aerator is maintained
and lubricated according to the operating and maintenance instructions in
the owner's manual, Sears will repair, free of charge, any defect in material
or workmanship.
This warranty does not cover:
---repairs necessary because of operator abuse or negligence including the
failure to maintain the equipment according to instructions contained in
the owner’s manual; and Aerator used for commercial or rental
purposes.
WARRANTY SERVICE IS AVAILABLE BY RETURNING TO THE NEAREST
SEARS SERVICE CENTER/DEPARTMENT IN THE UNITED STATES. This
warranty applies only while this product is in use in the United States.
This warranty gives you specific legal rights and you may also have other
rights which vary from state to state.
SEARS, ROEBUCK AND CO., D/817 WA, Hoffman Estates, IL 60179, U.S.A.
CONGRATULATIONS on your purchase of a Sears Craftsman Aerator, It has been designed,
engineered and manufactured to give you the best possible dependability and performance.
Should you experience any problem you can not easily remedy, please contact your nearest
Sears Service Center/Department. We have competent, well trained technicians and the proper
tools to service or repair your Aerator.
Please read and retain this manual. The instructions will enable you to assemble and maintain
your Aerator properly. Always observe the "SAFETY RULES".
• THE MODEL AND SERIAL NUMBERS WILL BE
FOUND ON A DECAL ATTACHED TO THE FRONT
CORNER OF THE TRAY.
• YOU SHOULD RECORD BOTH SERIAL NUMBER
AND DATE OF PURCHASE AND KEEP IN A
SAFE PLACE FOR FUTURE REFERENCE.
MODEL
NUMBER
SERIAL
NUMBER
DATE OF
PURCHASE
757.243481
CUSTOMER RESPONSIBILITIES
• Read and observe the "SAFETY RULES".
* Follow a regular schedule in maintaining, caring
for and using your Coring Aerator.
WARRANTY..............................................2
SAFETY RULES
CARTON CONTENTS
ASSEMBLY...........................................5&6
.......................................
................................
TABLE OF CONTENTS
3
3&4
OPERATION............................................... 7
CUSTOMER RESPONSIBIUTY............................7
REPAIR PARTS
...........................................
8
Page 3
A
RULES FOR SAFE OPERATION
Know controls and how to stop quickly, READ THE
OWNER’S MANUAL
Do not allow children to operate the vehicle, do
not allow adults to operate without proper
instruction and without having read the owner's
manual.
’ Do not carry passengers. Keep children and pets
a safe distance away.
> Always wear substantial footwear. Do not wear
loose fitting clothing that can get caught in
moving parts.
* Keep your eyes and mind on your tractor/attach
ment and area being covered. Don’t let other
interests distract you.
► Stay alert for holes in the terrain and other
hidden hazards.
Keep the vehicle and attachment in good operating
condition and keep safety devices in place.
Keep all nuts, bolts and screws tight to be sure
the equipment is in safe working condition.
The vehicle and attachment should be stopped and
inspected for damage after striking a foreign
object. The damage should be repaired before
restarting and operating the equipment.
' See tractor equipment owner’s manual for safe
operation of the equipment.
• Do not drive close to creeks, ditches and public
highways.
> Watch out for traffic when crossing or near
roadways.
* When using any attachment , don't allow anyone
near the vehicle while in operation.
A
To avoid damage to Spoons, always engage
transport wheels to raise the Spoons when crossing
concrete or asphalt walks, drives, or roads.
^Use the Aerator only on an established
lawn, never on newly laid sod.
• To avoid possible personal injury and/or equipment
never exceed the recommended operating speed
range of 3 to 5 MPH.
LOOK FOR THIS SYMBOL TO POINT OUT IMPORTANT
SAFETY PRECAUTIONS. IT MEANS - ATTENTION!
A
No A L-1S90-SC-2
Owner s Manual No. B Z-1530
1 Used Hardware Bag
Plugging (Spoon) Tines
1 Used
BECOME ALERT! YOUR SAFETY IS INVOLVED.
CONTENTS OF SHIPPING CARTON
No C 2-1531
Hardware Bag
1 Used
CAUTION
• Only tow your Aerator behind vehicles for
which it was designed, lawn/garden tractors.
• Do not stand/ride on Aerator, bodily injury
could result.
• Never exceed the Weight Tray capacity of 150 pounds
• Do not attempt to disconnect Aerator from
tractor with weight in Hopper.
• When backing, carefully back straight to avoid Jack
knifing, which could result in damage to equipment.
30Z
No. 9 B-54 27-10
Frame Angle
2 Used
€3t:3í/
No. 12 B-4859-10
Lift Handle Assembly
1 Used
No. 13 B-5309-10
Outer Tube Assembly
2 Used
No.D Z-1531-A
Hardware Bag
Nylon Bearings
1 Used
No. 14 B-5311-10
Center Tube Assembly
1 Used
Page 4
Z-1531 HARDWARE BAG
No. 5 B-4786
H u Look Nut, 5/18*
17 Us«d
No. 15 B-4867
Handle Grip
1/4" X 1-1/2"
1 Used
No . 26 40M1600P
Lock Washer, 1/2“
2 Used
No. 9 R-618
Heavy Washer- 5/16'
Used
N0.28 45M1717P
Flat washer, 172"
4 Used
No. 29 B-676P
Rat Washer, 3/4*
3 Used
No. 17 B-4868
Hex Head BoH
5/16" X 2-1/2"
2 Used
No. 20 D-146P
Hairpin Cotter, 1/8"
1 Used
No. 22 2M1012P
Hex Head Bolt
5/16" X 3/4"
13 Used
No. 23 2M1660P
Hex Head Bolt
1/2" X 3-3/4"
2 Used
Page 5
ASSEMBLY
It is recommended that you carefully read this Owner’s
Manual BEFORE starting assembly of this unit.
Fold out the carton for use as a pad during assembly
and arrange each kind of hardware Into a group to ease
assembly.
All reference to Right Hand and Left Hand are made
while standing behind unit facing forward.
TOOLS REQUIRED FOR ASSEMBLY
1 - Pair Pliers
2 - 1 /2" Wrenches
2 - 3/4" Wrenches
OR
2 - 10" Adjustable wrenches
FRAME ASSEMBLY
Refer to Fig. 1
• Sit the Tray (7) on the pad with flanges facing up.
• Attach the Side Plates (6) to Tray as shown using
eight 5/16"x3/4" Hex Bolts (22- from ÍNSIDE of
Tray), Flat Washers (27- next to Bolt heads) and
Lock Nuts (5). Tighten all Bolts while maintaining
41" to 41-1/4" inside the Side Plates (6).
Refer to Figs. 1 &2
• Assemble the Transport Lock Pin (31) into the
front hole at Left Hand Side Plate (6) from the
outside. Secure with 5/16" Lock Nut (5) holding
Pin with Pliers as you tighten. This Pin is used to
lock the Wheels in Transport.
Refer to Fig.2
• Attach the two Frame Angles (8) to underside of
Tray (7) using four 5/16” x 3/4" Hex Bolts (22),
Heavy Flat Washers (9) next to Frame Angle holes, and
Nylon Insert Nuts (5). Do not tighten at this time.
• Align the front holes of Angles and fasten at two
smaller holes using two 5/16"x2-l/2" full threaded
Hex Bolts (17). Bolts extend inside legs of Angles
and secure with 5/16" Hex (regular) Nuts (24). See
Inset "A". Tighten these and Tray Bolts (22)
securely. '
Fig. 1
• Assemble the Drawbar Clevis (2) to Full Threaded
Bolts extending from Frame Angies, securing with
two 5/16" Lock Nuts (5).
PLUGGING SPOON PRE-ASSEMBLY
Refer to Fig. 3.
(Center Tube[l4]shown)
• Assemble Plugging Spoons (10) to each welded
plate (SIDES OPPOSITE WELDS) of the three Tube
Assemblies (13 & 14) using 5/16”x3/4" Hex Bolts
(22) and Lock Nuts (32). Rounded part of Spoon fits
against tube to lock in place. Tighten all 24
securely.
•
• Insert a 3/4" Nylon Bearing (16) into each end of
Tube Assemblies.
Page 6
PLUGGING UNIT ASSEMBLY
Refer to Fig. 4
• Identify the two Outer Tube Assemblies (13- has
one plate welded close to end of tube) and the
Center Tube Assembly (14- has both plates welded
close to end of tube).
• Insert the Axle Assembly (11) partially through
hole in Side Plate (6) at RIGHT SIDE.
• Install as follows:
• 3/4“ Flat Washer (29).
•Outer Tube Assembly (13)- with short Hub
end next to Right Side Plate.
• 3/4" Fiat Washer (29).
• Center Tube Assembly (14).
• 3/4" Flat Washer (29).
•Outer Tube Assembly (13) with short Hub
end next to Left Side Plate.
• 3/4" Flat Washer (29).
IMPORTANT: Make sure Nylon Bearings are inside
Tube Assemblies. See Fig.3.
• Align Axle Assembly shaft end with hole in Left
Side Plate and push through as far as possible.
Slide on a 3/4" Flat Wash'^r (29).
• Install Lift Handle Assembly (12) over Axle
Assembly Shaft- Welded Tube on Lift Handle
FACING OUT.
• Position strap on Axle Assembly (at opposite
side) in line with short end extending from Lift
Handle (with Wheel mounting holes) and align
holes in Handle Tube and Axle Shaft. Insert a
5/16"x 1-1/2" Hex Bolt (21) and secure with a 5/16"
Lock Nut (1).
• Slip Handle Grip (15) over end of Lift Handle.
NOTE: Soapy water will ease this assembly,
TRANSPORT WHEELS
Refer to Fig.5
• Pre-assemble the two Transport Wheels (18)
using l/2"x3-3/4" Hex Bolts (23) and Fiat Washers
(28) next to Bolt Head through Wheel Hubs
(opposite extended Hub side).
• Install a Flat Washer (28) next to Hub and 1 /2"
Hex Nut (25) threaded on as far as possible with
Boit still free to turn.
• Install both Wheels through holes in Side Straps
(11 & 12) securing with Lock Washers (26) and Hex
Nuts (25). Tighten securely, but with Wheels free to
•
turn.
• Check all fasteners for tightness. Your Aerator is
now ready for use.
Page 7
OPERATION
A
• To avoid personal injury and/or
equipment damage, never exceed the
recommended operating speed range of
3 to 5 MPH.
WHEN TO AERATE
Your Aerator should not be used when Lawn
Conditions are too Wet or too Dry. To determine
condition, dig a small amount of your soil (about
three inches deep):
• If soli appears powdery and brittle- it is
too dry. Wait until a later date, after a
rainfall. If soil is too dry, the Plugging
Spoons will not penetrate properly.
• If soil appears damp, roll a small amount
into a ball in the palm of your hand- if it
forms a ball, theff it is too wet. Ideally, the
soil should fall apart when rolled in the
palm of your hand. Wait till a later date for
soil to dry. If soil is too wet, the Plugging
Spoons will stop up and your Tractor could
lose tract ion, causing Lawn Damage
MOUNTING AND TRANSPORTING
• Attach Aerator to your Rider using Pin and
Hairpin Cotter supplied.
• To place in Transport Position;
Pull FORWARD on Lift Handle (12) and
move to Transport Lock Pin in Side Plate.
Pull OUT and move Handle to Lock-in
position. Aerator rests on Wheels.
• To place in Operating Position:
Pull OUT on Lift Handle (releasing from
Transport Position) and move back. Aerator
rests on Plugging Spoons.
WARNING
A
• Use the Plugging Aerator only on
established lawns, NEVER ON NEWLY
LAID SOD.
• Never exceed the Weight Tray capacity
of 150 pounds. If the Plugging Spoons
are going too deep, remove some of
the weight from the weight Tray.
• Always raise Plugging Spoons to
Transport position when crossing
asphalt or concrete.
• When backing - carefully back straight to
avoid jackknifing, which could result in
damage to equipment.
USE OF ADDITIONAL WEIGHT
The weight required to give a recommended
penetration of approximately three inches will vary
according to soil type and conditions. Concrete
Blocks, Patio Blocks, Sand Bags, or any other type
of weight can be added to Aerator Tray as
required. Weight can be secured by using tie
downs through holes in Tray Flanges. Tie downs
are not furnished with your unit. Usually three
Concrete Blocks will be sufficient, but more or less
may be required.
• Drive your Tractor to location to be Aerated.
• Lower Aerator to Operating Position.
• Drive the Tractor FORWARD approximately ten
feet and stop.
• Observe the operation- there should a Plug hole
approximately every 10 inches to 12 inches and
not more than 3 inches deep.
CAUTION
CUSTOMER RESPONSIBILITY
• Should rust appear on any other part of your
Aerator,, sand lightly to remove rust and coat lightly
with enamel.
• Apply a drop of lubricating oil to each Nylon Bearing
and the Aerator Axle before each use.
• To prevent rust on Plugging Spoons, apply a light
coat of oil on the working areas of Spoons after each
use.
• Add or remove weight to obtain this condition.
• Periodically check the Spoons - remove
any debris which might build up and restrict
their action.
• After each use, service unit as described - and
store in a dry area, shielding tines to avoid injury.
Page 8
LAWN AERATOR
Model Number 757.24348!!
PARTS US
7» Ref. Part Description Qty.
Ref.
No. No. 16 B-4866
1 B-5429 Model No. Decal 1
2 B-3034-10
3
4
5
6 B-4851-10 Side Plate 2
7 B-54 26-10 Tray 1 23 2M1660P
8 B-5427-10 Frame Angle 2
9 R-618
10 B-4855-10
11
12
13
14
15 B-4867
Part Description
Drawbar Clevis
B-3568-A
B-3686
B-4786
B-5307-10
B-4859-10 Lift Handle Assembly 1 28
B-6309-10
B-5311-10
L-15&0-SC-?
Caution Label
Logo Decal 1 20 D-146P
Lock Nut- 5/16"
5/16" Heavy Washer
Plugging Spoon
Axle Assembly 1 27
Outer Tube Assembly 2
Center Tube Assembly
Handle Grip
Qty. No.
17 21
24 26
17
1
1
4 25
1 30
1
18 B-4869
19 B-4870-01
22 2M1012P
24 30M1000P
29 B-676P
31
32.
No.
B-4868
2M1024P
30M1600P
40M1600P Lock Washer-1/2"
45M1111P Flat Washer- 5/16" 8
45M1717P
L-1590-SC-2
B-3307-S
Bimr
3/4" Nylon Bearing
Hex Bolt- 5/16x2-1/2"
TransfKjrt Wheel
Drawbar Pin
Hair Pin Cotter
Hex Bolt, 5/16"x1-1/2" 1
Hex Bolt- 5/16"x3/4"
Hex Bolt- 1/2*x3-3/4"
Hex Nut- 5/16"
Hex Nut- 1/2"
Flat Washer- 1/2"
Flat Washer- 3/4" 5
Instructions
Transport Lock Pin
f^exLock Nut 5/ lir
38
6
2
2
1
1
2
2
4
2
4
1
1
25
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