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T R A C T O R   R E Q U I R E M E N T S
A N D   P R E PA R AT I O N

The models SDM40-48, SDM40-60 and SDM40-72

Standard Duty Cutters require a Category I 3-pt. hitch
tractor of at least 20 horsepower or up to 50 horsepower
and equipped with a 540 rpm PTO (power takeoff) in
good working condition.

It is recommended that only tractors with wide front

axles be used with this cutter. Tricycle front wheel
arrangements are inherently unstable and tractor
roll-over accidents are more likely to occur.

The tractor also needs lift arm stabilizer bars or sway

blocks to control side movement of the cutter.

Check the tractor’s 3-pt. hydraulic lift system.  Refer to

your tractor operator’s manual or dealer for any adjust-
ments necessary to put the hydraulic system in good
working order.  (I&T shop manuals will list most specifi-
cations and adjustment instructions - available from most
farm equipment dealers.)

Be sure tires and rims are in good condition.  Inflate

tires to the proper recommended air pressure.

All tractors that are not equipped with a “live” power

takeoff (PTO) need to be equipped with an over-running
PTO clutch attachment. A special driveline assembly with
an over-running clutch incorporated is available as an
option (see optional equipment list).

Check the tractor master shield over the PTO stub

shaft.  Make sure it is in good condition and fastened
securely to the tractor.  Purchase a new shield if old
shield is damaged or missing. (You may have to use a
tractor salvage yard for replacement parts on older
tractors.)

It is recommended that a ROPS (Roll-Over Protection

Structure) and a seat belt be installed on all tractors.
Contact your local dealer for a ROPS for  your tractor.

C A U T I O N !

Be sure your tractor is in good condition.  Read all

the safety precautions and make sure all tractor
operators are familiar with the safety rules of
operation.

Figure 1. Tractor Stability

W A R N I N G !

When using the unit, a minimum 20% of tractor and

equipment weight must be on tractor front wheels.
Without this weight, tractor could tip up, causing
possible loss of control and possible personal injury
or death.  The weight may be attained with a front
end loader, front wheel weights, ballast in tires or
front tractor weights.  When attaining a minimum
20% of tractor and equipment weight on the front
wheels, you must not exceed the ROPS weight
certification.  Weigh the tractor and equipment.  DO
NOT GUESS OR ESTIMATE!

W A R N I N G !

A heavy load can cause instability in driving a

tractor.  Make sure the front of the tractor is properly
counterbalanced with weights.  Always drive slowly
– especially around turns.  An unstable tractor could
steer badly and possibly tip over, causing injury or
death.

D A N G E R !

FOR AGRICULTURAL USE ONLY!

When this equipment is operated in populated

areas or other areas where thrown objects could
injure persons or property, full chain or rubber
shielding (which is designed to reduce the possibili-
ty of thrown objects) must be installed. If this
machine is not equipped with full chain or rubber
shielding, operation must be stopped when anyone
comes within several hundred feet.

SAFETY . . .

YOU CAN LIVE WITH IT!

I N S T R U C T I O N S

The operator is responsible for the safe operation of this

cutter. The operator must be properly trained. Operators
should be familiar with the cutter and tractor and all safe-
ty practices before starting operation. Read the safety
rules and safety signs on pages 4-16.

This standard duty cutter is designed for grass and

weed mowing and shredding.

Recommended mowing speed for most conditions is

from two to five mph.

T R A N S P O RT I N G

Pay particular close attention to the Safety Messages

regarding cutter transport. Avoid unnecessary injuries
and equipment damage by exercising cautious, con-
scientious travel procedures.

Attaching the cutter to the tractor increases the overall

length of the working unit.  Allow additional clearance for
the cutter to swing when turning.

Raise the cutter as high as possible for transporting,

while maintaining clearance between the driveline and
deck of the 3-point lift cutter.

DO NOT OPERATE PTO DURING TRANSPORT.

R E M O V I N G   C U T T E R   F R O M  
T R A C T O R

Disengage tractor PTO.
Disconnect driveline from tractor PTO.

Collapse driveline as far as possible and store it to pre-

vent ground contact. Place blocks under cutter side
skids. Lower cutter onto blocks, disconnect cutter from
tractor 3-point hitch, and carefully drive tractor away from
cutter.

B L A D E S

The blades will last a long time cutting grass, but will

wear rapidly when contacting the ground.  If they are
clipping into the ground, they will have to be sharpened
frequently.

The cutting action of the blade will be much cleaner,

create less shock loads and require less power if the
blades are kept quite sharp.  That is with a flat or blunt
edge that is not over 1/32” thick.  Putting a knife-sharp
edge (where both sides come to a sharp point) on the
blades will not help, as a sharp edge will round off very
quickly and doing so will only reduce the total life of the
blades.

O P T I O N S

O P E R ATION INSTRUCTIONS 

(continued)

OBEY SAFETY

RULES!!

ALWAYS BE

CAREFUL!!

W A R N I N G !

When this machine is operated in populated areas,

along roads, or in other areas where thrown objects
could injure persons or property, standard equip-
ment safety chain shielding (which is designed to
reduce the possibility of thrown objects) must be
installed.

Chain guards are not mandatory for agricultural use

only (i.e. - out in fields where people, livestock, or
property that could be damaged are not present). If
this machine is not equipped with chain shielding,
operation must be stopped when anyone comes
within several hundred feet.

For four (4) foot cutter – Model No. SDM40-48

order No. 650575 front chain kit (4’)

For five (5) foot cutter – Model No. SDM40-60

order No. 650375 front chain kit (5’)

For six (6) foot cutter – Model No. SDM40-72

order No. 650620 front chain kit (6’)

C A U T I O N !

All tractors that are not equipped with a “live”

power takeoff (PTO) need to be equipped with an
over-running PTO clutch driveline.

Use of a standard PTO driveline that does not have

an over-running clutch on these tractors, will allow
the cutter blade assembly to act as a flywheel. This
can cause damage to the tractor’s internal PTO drive
train and can make stopping the tractor’s forward
travel difficult.

For five (5) foot cutter – Model No. SDM40-60

order No. 650380 driveline assembly for five (5)
foot cutter with over-running clutch.

For six (6) foot cutter – Model No. SDM40-72

order No. 650625 driveline assembly for six (6)
foot cutter with over-running clutch.

C A U T I O N !

There are PTO over-running clutch attachments

available. However, they will increase the length of
the driveline and may cause the front knuckle joint to
operate beyond the cover of the tractor master PTO
shield. This is NOT recommended and a dangerous
operating condition will be present.

Summary of Contents for SDM40-48

Page 1: ... front as well as the rear when working with the implement OWNER S OPERATOR S MANUAL MODEL NO s SDM40 48 SDM40 60 SDM40 72 WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION 1 PART NUMBER 2 PART DESCRIPTION 3 MODEL NUMBER 4 NAME OF ITEM OCTOBER 2001 WS RM002 OG W O R K S AVER INC P O BOX 100 LITCHFIELD IL 62056 0100 217 324 5973 WEB http www worksaver com E MAIL sales worksaver com E...

Page 2: ...erator s responsibility to inspect the product and to have any part s repaired or replaced when continued operation would cause damage or excessive wear to other parts or cause a safety hazard It is the Retail Customer s responsibility to deliver the product to the authorized Worksaver Dealer from whom he purchased it for service or replacement of defective parts which are covered by warranty Repa...

Page 3: ... 1 1 92 1 1 47 Input RPM 540 RPM 540 RPM Output RPM 1036 8 RPM 793 8 RPM Gearbox Warranty Limited 1 Year Gearbox Lubrication 90 wt Gear Oil PTO Driveline Type Metric Series 4 Total Driveline Length Closed 32 37 43 Shearbolt 1 2 Diameter x 3 0 Bolt Grade 2 Blades Number Type 2 Suction Type Width Thickness 1 2 x 3 Length Total 18 25 30 Tip Speed 12 757 Ft Min 12 255 Ft Min 15 170 Ft Min Blade Carrie...

Page 4: ... Check all blade beam bolts h Check cutter attitude after mounting on tractor h Check that gearbox is properly serviced and seals are not leaking h Check shear bolt for proper grade and installation h Check front of input gearbox shaft and make sure that snap ring is properly installed h All safety signs decals in place and readable h When the cutter is transported on a road or highway at night or...

Page 5: ...tructed in safe and proper use The use of this equipment is subject to certain hazards which cannot be protected against by mechanical means or product design All operators of this equipment must read and understand this entire manual paying particular attention to safety and operating instructions prior to using If there is something in this manual you do not understand ask your supervisor or you...

Page 6: ... this machine while taking prescription medications Review the safety instructions with all users annually This equipment is dangerous to children and persons unfamiliar with its operation The operator should be a responsible adult familiar with farm machinery and trained in this equipment s operations Do not allow persons to operate or assemble this unit until they have read this manual and have ...

Page 7: ... in place Small air pockets can be pierced with a pin and smoothed out using the piece of sign backing paper Failure to follow proper procedures when mounting a tire on a wheel or rim can produce an explosion which may result in serious injury or death Do not attempt to mount a tire unless you have the proper equipment and experience to do the job Inflating or servicing tires can be dangerous When...

Page 8: ... other than yourself is loaned or rented to make certain that the operator prior to operating 1 Reads and understands the operator s manuals 2 Is instructed in safe and proper use SAFETY TRAINING Do not allow children to operate this machine PTO SHAFT SHEAR BOLT PROTECTED PA RTS VIEW PA RTS LIST REF WORKSAVER E G NO NO PART NO PART NO DESCRIPTION REQ D 650565 07 422 117 10 Complete Driveline Assem...

Page 9: ... Replacement or repair parts installed in the equipment covered by this warranty are warranted for ninety 90 days from the date of purchase of such part or to the expiration of the applicable new equipment warranty period whichever occurs later Such parts shall be provided at no cost to the user during regular working hours Worksaver reserves the right to inspect any equipment or parts which are c...

Page 10: ...being run over by the cutter Accidents are most likely to occur with machines that are loaned or rented to someone who has not read the owner s manual and is not familiar with a rotary cutter Check the tractor master shield over the PTO stub shaft Make sure it is in good condition and fastened securely to the tractor Purchase a new shield if old shield is damaged or missing You may have to use a t...

Page 11: ...ks and securely fastened Many varied objects such as wire cable rope or chains can become entangled in the operating parts of the cutter head These items could then swing outside the housing at greater velocities than the blades Such a situation is extremely hazardous Inspect the cutting area for such objects before mowing Removing any like object from the site Never allow the cutting blades to co...

Page 12: ...heel weights front tractor weight and or tire ballast should be used to improve stability Be careful when operating tractor and cutter on uneven ground to avoid upsetting Pass diagonally through sharp dips and avoid sharp drops to prevent hanging up tractor and cutter Practice will improve your skills in maneuvering rough terrain Avoid sudden starts and stops while traveling up or downhill Always ...

Page 13: ...machines Use a safety chain to prevent unexpected separation with pull type models TRANSPORT SAFETY TROUBLESHOOTING GUIDE P R O B L E M POSSIBLE CAUSE POSSIBLE REMEDY Leaves a streak of uncut 1 Cutter not level side to side Level 3 pt hitch linkage on tractor or partially cut grass 2 Blades dull or bent Sharpen or replace blades 3 Carrier RPM too low Use correct PTO speed 4 Field conditions are so...

Page 14: ... all persons away from operator control area while performing adjustments service or maintenance Frequently check cutter blades They should be sharp free of nicks and cracks and securely fastened Periodically tighten all bolts nuts and screws and check that all cotter pins are properly installed to ensure unit is in a safe condition When completing a maintenance or service function make sure all s...

Page 15: ...g area MAINTENANCE SAFETY continued STORAGE SAFETY BLADE BEAM GEARBOX INSTA L L ATION A Raise cutter using tractor 3 point lift Turn off tractor engine B BLOCK CUTTER SECURELY INTO POSITION C Remove cotter pin and blade holder retaining nut Wear heavy work gloves to protect hands from sharp edges D Grasp blade holder and pull off shaft If necessary align blade bar with access hole in top of deck a...

Page 16: ...nsert lockwasher 2 and nut 1 through blade access hole in the cutter deck install on bolt 5 and tighten to 350 lbs ft Repeat for opposite blade Sharpen both blades at the same time to maintain bal ance Follow original sharpening pattern Do not sharpen blade to a razor edge but leave at least a 1 16 blunt edge Do not sharpen back side of blade Rotate blade beam 3 and repeat for opposite blade Alway...

Page 17: ...lic system leakdown and failure of mechanical or hydraulic system can cause equip ment to drop Keep all persons away from operator control area while performing adjustments service or mainte nance LUBRICATION INFORMATION Figure 6 shows the lubrication points The accompany ing chart gives the frequency of lubrication in operating hours based on normal conditions Severe or unusual conditions may req...

Page 18: ...tices before starting operation Read the safety rules and safety signs on pages 4 16 This standard duty cutter is designed for grass and weed mowing and shredding Recommended mowing speed for most conditions is from two to five mph T R A N S P O RTING Pay particular close attention to the Safety Messages regarding cutter transport Avoid unnecessary injuries and equipment damage by exercising cauti...

Page 19: ...g ing PTO position cutter in a cut area and reduce tractor throttle to idle If cutter continuously stalls select lower tractor gear and or increase cutting height Blade rotation is counterclockwise causing cut material to discharge to the left side of cutter forming a windrow To shred and dissipate this windrow tractor should be driven in a counterclockwise direction throwing material to the uncut...

Page 20: ... under warranty O P E R ATING INSTRUCTIONS Safety is a primary concern in the design and manufacture of our products Unfortunately our efforts to provide safe equipment can be wiped out by a single careless act of an operator It has been said The best safety device is an informed careful operator We ask you to be that kind of an operator The designed and tested safety of this machine depends on it...

Page 21: ... under warranty O P E R ATING INSTRUCTIONS Safety is a primary concern in the design and manufacture of our products Unfortunately our efforts to provide safe equipment can be wiped out by a single careless act of an operator It has been said The best safety device is an informed careful operator We ask you to be that kind of an operator The designed and tested safety of this machine depends on it...

Page 22: ...g ing PTO position cutter in a cut area and reduce tractor throttle to idle If cutter continuously stalls select lower tractor gear and or increase cutting height Blade rotation is counterclockwise causing cut material to discharge to the left side of cutter forming a windrow To shred and dissipate this windrow tractor should be driven in a counterclockwise direction throwing material to the uncut...

Page 23: ...tices before starting operation Read the safety rules and safety signs on pages 4 16 This standard duty cutter is designed for grass and weed mowing and shredding Recommended mowing speed for most conditions is from two to five mph T R A N S P O RTING Pay particular close attention to the Safety Messages regarding cutter transport Avoid unnecessary injuries and equipment damage by exercising cauti...

Page 24: ...lic system leakdown and failure of mechanical or hydraulic system can cause equip ment to drop Keep all persons away from operator control area while performing adjustments service or mainte nance LUBRICATION INFORMATION Figure 6 shows the lubrication points The accompany ing chart gives the frequency of lubrication in operating hours based on normal conditions Severe or unusual conditions may req...

Page 25: ...nsert lockwasher 2 and nut 1 through blade access hole in the cutter deck install on bolt 5 and tighten to 350 lbs ft Repeat for opposite blade Sharpen both blades at the same time to maintain bal ance Follow original sharpening pattern Do not sharpen blade to a razor edge but leave at least a 1 16 blunt edge Do not sharpen back side of blade Rotate blade beam 3 and repeat for opposite blade Alway...

Page 26: ...g area MAINTENANCE SAFETY continued STORAGE SAFETY BLADE BEAM GEARBOX INSTA L L ATION A Raise cutter using tractor 3 point lift Turn off tractor engine B BLOCK CUTTER SECURELY INTO POSITION C Remove cotter pin and blade holder retaining nut Wear heavy work gloves to protect hands from sharp edges D Grasp blade holder and pull off shaft If necessary align blade bar with access hole in top of deck a...

Page 27: ... all persons away from operator control area while performing adjustments service or maintenance Frequently check cutter blades They should be sharp free of nicks and cracks and securely fastened Periodically tighten all bolts nuts and screws and check that all cotter pins are properly installed to ensure unit is in a safe condition When completing a maintenance or service function make sure all s...

Page 28: ...machines Use a safety chain to prevent unexpected separation with pull type models TRANSPORT SAFETY TROUBLESHOOTING GUIDE P R O B L E M POSSIBLE CAUSE POSSIBLE REMEDY Leaves a streak of uncut 1 Cutter not level side to side Level 3 pt hitch linkage on tractor or partially cut grass 2 Blades dull or bent Sharpen or replace blades 3 Carrier RPM too low Use correct PTO speed 4 Field conditions are so...

Page 29: ...heel weights front tractor weight and or tire ballast should be used to improve stability Be careful when operating tractor and cutter on uneven ground to avoid upsetting Pass diagonally through sharp dips and avoid sharp drops to prevent hanging up tractor and cutter Practice will improve your skills in maneuvering rough terrain Avoid sudden starts and stops while traveling up or downhill Always ...

Page 30: ...ks and securely fastened Many varied objects such as wire cable rope or chains can become entangled in the operating parts of the cutter head These items could then swing outside the housing at greater velocities than the blades Such a situation is extremely hazardous Inspect the cutting area for such objects before mowing Removing any like object from the site Never allow the cutting blades to co...

Page 31: ...being run over by the cutter Accidents are most likely to occur with machines that are loaned or rented to someone who has not read the owner s manual and is not familiar with a rotary cutter Check the tractor master shield over the PTO stub shaft Make sure it is in good condition and fastened securely to the tractor Purchase a new shield if old shield is damaged or missing You may have to use a t...

Page 32: ... Replacement or repair parts installed in the equipment covered by this warranty are warranted for ninety 90 days from the date of purchase of such part or to the expiration of the applicable new equipment warranty period whichever occurs later Such parts shall be provided at no cost to the user during regular working hours Worksaver reserves the right to inspect any equipment or parts which are c...

Page 33: ... other than yourself is loaned or rented to make certain that the operator prior to operating 1 Reads and understands the operator s manuals 2 Is instructed in safe and proper use SAFETY TRAINING Do not allow children to operate this machine PTO SHAFT SHEAR BOLT PROTECTED PA RTS VIEW PA RTS LIST REF WORKSAVER E G NO NO PART NO PART NO DESCRIPTION REQ D 650565 07 422 117 10 Complete Driveline Assem...

Page 34: ... in place Small air pockets can be pierced with a pin and smoothed out using the piece of sign backing paper Failure to follow proper procedures when mounting a tire on a wheel or rim can produce an explosion which may result in serious injury or death Do not attempt to mount a tire unless you have the proper equipment and experience to do the job Inflating or servicing tires can be dangerous When...

Page 35: ... this machine while taking prescription medications Review the safety instructions with all users annually This equipment is dangerous to children and persons unfamiliar with its operation The operator should be a responsible adult familiar with farm machinery and trained in this equipment s operations Do not allow persons to operate or assemble this unit until they have read this manual and have ...

Page 36: ...tructed in safe and proper use The use of this equipment is subject to certain hazards which cannot be protected against by mechanical means or product design All operators of this equipment must read and understand this entire manual paying particular attention to safety and operating instructions prior to using If there is something in this manual you do not understand ask your supervisor or you...

Page 37: ... Check all blade beam bolts h Check cutter attitude after mounting on tractor h Check that gearbox is properly serviced and seals are not leaking h Check shear bolt for proper grade and installation h Check front of input gearbox shaft and make sure that snap ring is properly installed h All safety signs decals in place and readable h When the cutter is transported on a road or highway at night or...

Page 38: ... 1 1 92 1 1 47 Input RPM 540 RPM 540 RPM Output RPM 1036 8 RPM 793 8 RPM Gearbox Warranty Limited 1 Year Gearbox Lubrication 90 wt Gear Oil PTO Driveline Type Metric Series 4 Total Driveline Length Closed 32 37 43 Shearbolt 1 2 Diameter x 3 0 Bolt Grade 2 Blades Number Type 2 Suction Type Width Thickness 1 2 x 3 Length Total 18 25 30 Tip Speed 12 757 Ft Min 12 255 Ft Min 15 170 Ft Min Blade Carrie...

Page 39: ...erator s responsibility to inspect the product and to have any part s repaired or replaced when continued operation would cause damage or excessive wear to other parts or cause a safety hazard It is the Retail Customer s responsibility to deliver the product to the authorized Worksaver Dealer from whom he purchased it for service or replacement of defective parts which are covered by warranty Repa...

Page 40: ... front as well as the rear when working with the implement OWNER S OPERATOR S MANUAL MODEL NO s SDM40 48 SDM40 60 SDM40 72 WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION 1 PART NUMBER 2 PART DESCRIPTION 3 MODEL NUMBER 4 NAME OF ITEM OCTOBER 2001 WS RM002 OG W O R K S AVER INC P O BOX 100 LITCHFIELD IL 62056 0100 217 324 5973 WEB http www worksaver com E MAIL sales worksaver com E...

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