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Attachment components SAB752Drive system SAB755

Quick-release coupling SAB720Quick-release coupling with drive SAB722

Operating instructionsand

assembly instructions

forLX 277LX279

SA36691

COPYRIGHT © 2002SABO Maschinenfabrik GmbH

Postfach 310393D-51618 Gummersbach, Germany

SA36691 03/2002 Technical details subject to alteration

1

Table of contents

1 Operating Instructions ............................................................................................................................................. 21.1 General ................................................................................................................................................................. 21.2 Warnings and symbols ........................................................................................................................................ 3

2 Fundamental safety instructions .............................................................................................................................. 42.1 Designated use of the machine ............................................................................................................................ 42.2 Organizational measures ...................................................................................................................................... 42.3 Selection and qualification of personnel - Basic responsibilities ......................................................................... 52.4 Location of safety stickers and labels .................................................................................................................. 5

3 Condition at delivery and scope of delivery ............................................................................................................... 6

4 Components of the quick-release coupling system .................................................................................................. 74.1 Attachment sets for tractor mowers ..................................................................................................................... 74.2 Components of the quick-release coupling system.............................................................................................. 74.3 Accessories .......................................................................................................................................................... 7

5 Assembly ................................................................................................................................................................... 85.1 Preparatory measures prior to assembly .............................................................................................................. 85.2 Assembly ............................................................................................................................................................. 9

6 Commissioning ......................................................................................................................................................... 266.1 Fundamental safety instructions for standard operation ..................................................................................... 26

7 Service and maintenance .......................................................................................................................................... 287.1 Fundamental safety instructions .......................................................................................................................... 28

8 Possible faults and their elimination ........................................................................................................................ 29

9 Warranty conditions ................................................................................................................................................. 30

10 Declaration of conformity ......................................................................................................................................... 31

1.1 General

Operating and assembly instructions

1 Operating and assembly instructions

2

These operating and assembly instructions aredesigned to familiarize the user with the machine andits designated use.The operating and assembly instructions containimportant information on how to operate the machinesafely, properly and most efficiently. Observing theseinstructions helps to avoid danger, to reduce repaircosts and downtimes and to increase the reliability andlife of the machine.The operating and assembly instructions must alwaysbe available wherever the machine is in use.These operating and assembly instructions must beread and applied by any person in charge of carryingout work with and on the machine, such as

- operation including setting up, troubleshooting in the course of work, evacuation of production waste, care and disposal of fuels and consumables-maintenance (servicing, inspection, repair) and/or-transport.In addition to the operating and assembly instructionsand to the mandatory rules and regulations for accidentprevention and environmental protection in the countryand place of use of the machine, the generallyrecognized technical rules for safe and proper workingmust also be observed.

Read operating and assembly instructions

1.2 Warnings and symbols

CAUTIONindicates a potentially dangerous situation. Ignoring this instruction may lead to minor injury.

IMPORTANTindicates tips for use and other useful information.

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Operating and assembly instructions

WARNINGindicates a potentially dangerous situation. Ignoring this instruction may lead to serious or fatalinjury.

DANGERindicates immediate danger. Ignoring this instruction poses a risk of serious or fatal injury.

Do not use tools

Use a workbench

2x M8x20 SymbolTypeQuantity

Symbol

Bolt

Washer

Nut

Open-end spannerNut driverScrewdriver

Phillips screwdriver

TypeExample:

M8 x 16

8,1 - 58 - 5

M8 (S)

8

PZ 2PH 2

Description

M = MetricS = Diameter in mm16 = Length in mm

8,1 = Inner diameter58 = Outer diameter5 = Material thickness in mm

M = Metric 8 = Inner diameter(S) = Lock nut

8 = Size in mm

PZ 2 = Pozidrive in mmPH2 = Phillips size 2

2.2 Organizational measures

2.1 Designated use of the machine

Fundamental safety instructions

2 Fundamental safety instructions

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The product has been built in accordance with state-of-the-art standards and the recognized safety rules.Nevertheless, its use may constitute a risk to life andlimb to the user or third parties, or cause damage to theproduct and other material property.

The product must only be assembled in technicallyperfect condition in accordance with its designateduse and the instructions set out in the operating andassembly manual, and only by safety-consciouspersons who are fully aware of the risks involved inoperating the machine. Any functional disorders,especially those affecting safety, should therefore berectified immediately.

The product is designed exclusively for fitting tomachines approved by the manufacturer and foraccessories approved by the manufacturer. Using themachine for purposes other than those mentionedabove is considered contrary to its designated use.The manufacturer/supplier cannot be held liable forany damage resulting from such use. The risk of suchmisuse lies entirely with the user.

Operating the machine within the limits of its designateduse also involves observing the instructions set out inthe operating and assembly manual and complying withthe inspection and maintenance directives.

The operating and assembly instructions must alwaysbe at hand at the place of use of the machine.In addition to the operating and assembly instructions,observe and instruct the user in all other generallyapplicable legal and other mandatory regulations rele-vant to accident prevention and environmentalprotection.These compulsory regulations may also deal with thehandling of hazardous substances, issuing and/orwearing of personal protective equipment, or trafficregulations.must be supplemented by instructions covering theduties involved in supervising and notifying specialorganizational features, such as job organization,working sequences or the personnel entrusted withthe work.Personnel entrusted with work on the machine musthave read the operating instructions and in particularthe chapter on safety before beginning work. Readingthe instructions after work has begun is too late. Thisapplies especially to persons working only occasionallyon the machine, e.g. during setting up or maintenance.Check - at least from time to time - whether the personnelis carrying out the work in compliance with theoperating instructions and paying attention to risksand safety factors.For reasons of safety, long hair must be tied back orotherwise secured, garments must be close-fitting andno jewellery may be worn, including rings. Injury may

result from being caught up in the machinery or fromrings catching on moving parts.Use protective equipment wherever required by thecircumstances or by law.Observe all safety instructions and warnings attachedto the machine.Make sure that safety instructions and warningsattached to the machine are always complete andperfectly legible.In the event of safety-relevant modifications or changesin the behaviour of the machine during operation, stopthe machine immediately and report the malfunction tothe relevant specialized dealer.Never make any modifications, additions orconversions which might affect safety without themanufacturer’s approval. This also applies to theinstallation and adjustment of safety devices andvalves as well as to welding work on load-bearingelements.Only use original spare parts from the manufacturer.These meet technical requirements and include warrantyand guarantee claims. Adhere to prescribed intervalsor those specified in the operating and assemblyinstructions for routine checks and inspections.For the execution of maintenance work, tools andworkshop equipment adapted to the task on hand areabsolutely indispensable.The personnel must be familiar with the location andoperation of fire extinguishers.Observe all fire-warning and fire-fighting procedures.

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2.3 Selection and qualification of personnel - Basic responsibilities

Any work on and with the product must be executedby reliable personnel only. Statutory minimum age limitsmust be observed.

Employ only trained or instructed staff and set outclearly the individual responsibilities of the personnelfor operation, set-up, maintenance and repair.

Make sure that only authorized personnel works on orwith the product.

Do not allow persons to be trained or instructed orpersons taking part in a general training course to workon or with the product without being permanentlysupervised by an experienced person.

Work on the electrical system and equipment of the

product should only be carried out by a skilledelectrician or by instructed persons under thesupervision and guidance of a skilled electrician and inaccordance with electrical engineering rules andregulations.

Work on chassis, brake and steering systems must onlybe performed by skilled personnel that have beenspecially trained for such work.

Work on the hydraulic system must only be carried outby personnel with special knowledge and experienceof hydraulic equipment.

Regularly clean the equipment, especially in the exhaustand engine regions. Otherwise there is an increasedrisk of a fire!

Fundamental safety instructions

2.4 Location of safety stickers and labels

CautionHot surface

Do not openprotective device

Condition at delivery and scope of delivery

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Attachment components SAB752

Drive system SAB755

Quick-release coupling with drive SAB722

Quick-release coupling SAB720

Scope of deliveryCheck that the add-on sets delivered are correct and complete.The transport packaging should be recycled.

Product packaging Check of the original packaging

3 Condition at delivery and scope of delivery

Condition at delivery

The quick-release coupling system

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4.2 Components of the quick-release system

Quick-release coupling withdrive Drive Quick-release couplingAdd-on parts

4.3 Accessories

without drive Attachment components SAB752Quick-release coupling SAB720

with drive Attachment components SAB752Quick-release coupling with drive SAB722Drive system SAB755

4.1 Attachment sets for tractor mowers

4 Components of the quick-release coupling system

Sweeping machine Clearing plate

required at least

1 + 2 + 3

required at least

1 2 3 4

1 + 4

for add-on devices:

Assembly

Assembly should be carried out on a height-adjustable working platform in accordance with the followinginstructions.

Position cutting deck on wooden base.Secure tractor mower with wheel blocks to prevent rolling.

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2 x

5.1 Preparatory measures prior to assembly

5 Assembly

1 x

IMPORTANTObserve the operating instructions from themanufacturer.

IMPORTANTObserve safety regulations for the working platform.

DANGERStanding in the vicinity of drives that are operative increases the risk of injury. Observe safetyinstructions.

WARNINGSwitch off motor and allow to cool. The machine must be secured against unintentional start-up. Remove the ignition key and apply the hand brake.

IMPORTANTThe quick-release coupling system should only be assembled by qualified motor specialists.Before you begin, obtain an overview of the assembly procedure and the parts and tools required.The machine must be clean and in perfect working order.Observe safety instructions and the operating instructions provided by the tractor mowermanufacturer.

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Dear Customer,

Tractor mower and machinery manufacturers use state-of-the-art technology to constantly improve models. As a result,descriptions or illustrations in these instructions may not correspond to actual specifications for the tractor mower.

Select one of the following columns based on your type of subframe.

Column A = Add-on parts without quick-release coupling,for fixed accessories

Column B = Add-on parts with quick-release coupling,for non-driven equipment (e.g. clearing plate)

Column C = add-on parts with quick-release coupling with drive,for driven equipment (e.g. sweeping machine) andfor non-driven equipment

1.) During assembly, only carry out steps in the selected column that are marked with a dot •. Mark the relevant column with a text marker.

2.) The specified sequence of the assembly instructions must be adhered to.

Assembly

5.2 Assembly

DANGERAll protective devices must be removed to fit the add-on parts. Make absolutely sure that thesedevices are replaced after the assembly is completed. For this reason, none of the followingworking steps should be ignored.

DANGERThe following assembly may only be carried out by a qualified specialist.

Assembly

Disconnect the cable connection to theheadlamps.

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A B C

Fold the engine hood forward.

Secure tractor mower

Read the operating instructionssupplied by the tractor mowermanufacturer.

Assembly

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Remove bonnet by lifting forwards

Remove fixed bonnet section.

IMPORTANTWhen removing bonnet, take note ofbolts.

A B C

IMPORTANTWhen removing bonnet, take note ofcut-outs in bonnet hinge brackets.

PH2

PH2

Remove screws holding fixed bonnet section.

Assembly

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Removed parts to be re-used.

Lower cutting deck.

Support drive belt pulley

A B C

IMPORTANTDo not neglect to perform thisoperation as otherwise theelectromagnetic cutting-deck clutchwill drop down when the drive systemis being fitted, necessitating a time-consuming relocating procedure.


Release cutting-deck fixing bracket.

Withdraw plate

Assembly

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Cutting-deck fixing bracket lowered

Drive-belt pulley supplied and new bolt.

Rotate plate downwards and lower cutting-deckfixing bracket.

Unscrew the fixing bolts for the V-belt pulley.Grip the V-belt pulley using an open-end spanner.

Removed parts not to be re-used

16 mm

A B C

DANGERRemove the ignition key when carryingout work on the V-belt.

SW 36

Assembly

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Insert the inch bolt into the drive-belt pulley

Remove support

Ø 6 mm

16 mm

Position drive-belt pulley

A B C

Fit the V-belt pulley with the inch bolt andtighten.

IMPORTANTTightening torque: 55-60Nm. Lock thedrive-belt pulley with a drift to preventit from turning when the bolt istightened.

Tension the mower drive belt and check that theextra drive-belt pulley fitted is running true.If necessary, adjust the alignment of the drive-belt pulley.

Assembly

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A B C

Unscrew the exhaust-shield fixing bolt 4-6 mm.

Plates with bolts and washers.

2 x M10 x 25

2 x 10.5-20-2

SW 13IMPORTANTDo not completely remove the bolt asthis will result in extra work.

Insert plate in tractor-mower chassis.

Assembly

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A B C

Positioned plate. Photo shows left plate viewedin direction of travel

Position support.

Fit washer and nut loosely to hold mountingbracket in position.

1 x 13-20-2

Positioned plate. Photo shows right plateviewed in direction of travel.

1 x M12 x 30

Insert bolt in mounting bracket

1 x M 12

Assembly

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A B C

Fit bolt loosely to hold mounting bracket inposition.

Insert bolt into mounting bracket

Flat of bolt head must rest against tractorchassis.

Fit washer and nut onto the bolt.Repeat the operation on the right-hand side.

Insert bolt with washer fitted into mountingbracket from below.

1 x 8.4-17-2

1 x M10 x 25

1 x M8 x 20

1 x 10.5-21-2

IMPORTANTPlates must rest against the tractorchassis.

1 x M8

Assembly

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A B C

Position fixed bonnet section.

Refit screws and washers and tighten.

Bracing plate with bolts, washers and nuts

Position bracing plate between mountingbrackets.

PH2

PH2

Assembly

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A B C

Insert bolt with washer fitted.

Fit washer and nut loosely onto the bolt.

Repeat the procedure with the right side.

1 x M8

Position quick-release coupling.

1 x 8.4 - 17- 2

1 x M8 x 25

1 x 8.4 - 17- 2

Assembly

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A B C

Push the bolt through the holes in the quick-releasecoupling and the mounting bracket.

Fit washer onto the bolt.

Screw nut onto the bolt.

Loosely fitted quick-release coupling.

1 x 10.5 - 20-2

1 x M10

M10 x 25

Tighten bolt.

SW 17

Fit washer onto the bolt.

1 x 10.5 - 20-2

Assembly

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A B C

Tighten bolt.

Tighten bolt.

Tighten bolt.

Now tighten all bolts and nuts.

2 x SW 17

SW 19

2 x SW 13

Align mounting bracket (lightly tap flat of bolthead with hammer).

Now tighten all bolts and nuts.

IMPORTANTBolt head must rest against tractorchassis.

2 x SW 13

Assembly

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A B C

Firmly fitted quick-release coupling.

Push the V-belt tensioner in the oppositedirection to the spring force.

Jam the tension spring behind the nut

Position the drive belt on the drive-belt pulley.

Release tension spring so that the V-belttensioner becomes operative.

CAUTIONRisk of crushing.

DANGEROnly turn V-belt pulley if ignition keyhas been removed.

Assembly

23

Raise cutting deck bracket.

A B C


DANGERCheck for proper engagement.

Rotate release upwards.

Release engaged.

Raise cutting deck.


4 x M 8 x 20

Assembly

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A B C

Check that drive-system drive-belt pulley rotatesfreely.

Protection plate with bolts and washers.

Fit guard plate using bolts and washers.

Insert guard plate.

4 x 8.4-21-4

Start the engine

Check that the V-belt drive is running correctly (V-beltpulley operates smoothly). See V-belt pulley assembly.Check that the V-belt is running freely and that the sides ofthe V-belt do not come into contact with the V-belt tensionerpulley - align, if necessary.

Read the operating instructions supplied bythe tractor mower manufacturer.

DANGER Switch off engine.

DANGERDo not tamper with the V-belt when it isturning.

Assembly

25

Reconnect cable connection to the headlamps

Fitted quick-release coupling with drive system.

A B C

SW 13

Replace bonnet.

Correctly fitted guard plate.

Tighten bolt.

6.1 Fundamental safety instructions for standard operation

6 Commissioning

Commissioning

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Avoid any operational mode that may be prejudicial tosafety.Before beginning work, familiarize yourself with thelocation of installation and circumstances of the site.This includes obstacles in the working and travellingarea, the earth load capacity and any barriers separatingthe location of installation from public roads.Take the necessary precautions to ensure that themachine is used only when in a safe and reliable state.Operate the machine only if all protective and safety-oriented devices, such as removable safety devices,sound-proofing elements and exhausters, are in placeand fully functional.Check the machine for obvious damage and faults eachtime you use it. Report any changes (incl. changes inthe machine’s working behaviour) to a specializeddealer. If necessary, stop the machine immediately andlock it.In the event of malfunctions, stop the machineimmediately and lock it. Have any defects rectifiedimmediately.Start the machine from the driver’s seat only.During start-up and shut-down procedures alwayswatch the indicators in accordance with the operatingand assembly instructions.Before starting up or setting the machine in motion,make sure that nobody is at risk.

Before starting work or travelling with the machine,check that the braking, steering, signalling and lightingsystems are fully functional.Before setting the machine in motion always check thatthe accessories have been safely stowed away.When driving on public roads, pathways or openspaces, observe the applicable traffic regulations and,if appropriate, make the necessary adjustments to themachine to ensure it meets the legal requirements.In conditions of poor visibility and after dark alwaysensure that there is sufficient lighting.Always keep at a distance from the edges of buildingpits and slopes.Avoid any operation that might be a risk to machinestability.Never travel across slopes; always keep the workingequipment and the load close to the ground, especiallywhen travelling downhill.On sloping terrain always adapt your travelling speedto the prevailing ground conditions. Never change toa lower gear on a slope but always before reaching it.Before leaving the driver’s seat always secure themachine against inadvertent movement andunauthorized use.

WARNING!Before using the lawn tractor without an attachment, cover the claw clutch at the quick-coupler with theguard and secure with a bolt.

1) Close protective cover. 2) Fasten protective cover with a bolt.

Service and maintenance

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Ensure that protective devices and covers are in good condition and are fitted correctly.

CAUTIONHot surface

Protection plate

If the quick-release coupling is not required, theprotective cover must be closed and locked withthe wing bolt.

CAUTIONDo not openprotective device.

Service and maintenance

7.1 Fundamental safety instructions

7 Service and maintenance

IMPORTANT Pay attention to the following:• fuel and oil leaks, rectify if necessary• snug fit of bolts and nuts, tighten if necessary• ease of movement of all moving parts, lubricate if necessary

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Observe the adjusting, maintenance and inspectionactivities and intervals set out in the operatinginstructions, including information on the replacementof parts and equipment. These activities may beexecuted by skilled personnel only. See maintenanceschedule.Brief operating personnel before beginning specialoperations and maintenance work, andappoint a person to supervise the activities.In any work concerning the operation, conversion oradjustment of the machine and its safety-orienteddevices or any work related to maintenance, inspectionand repair, always observe the start-up and shut-downprocedures set out in the operating instructions andthe information on maintenance work. Ensure that themaintenance area is adequately secured.If the machine is completely shut down for maintenanceand repair work, it must be secured against inadvertentstarting by:-removing the ignition key-attaching a warning sign to the ignition unit.Carry out maintenance and repair work only if themachine is positioned on stable and level ground andhas been secured against inadvertent movement andbuckling.To avoid the risk of accidents, individual parts andlarge assemblies being moved for replacement purposesshould be carefully attached to lifting tackle andsecured. Use only suitable and technically perfect liftinggear and suspension systems with adequate liftingcapacity. Never work or stand under suspended loads.Never use machine parts as a climbing aid.Keep all handles and steps free from dirt, snow and ice.Clean the machine, especially connections andthreaded unions, of any traces of oil, fuel orpreservatives before carrying out maintenance/repair.Never use aggressive detergents. Use lint-free cleaningrags.Before cleaning the machine with water, high-pressurecleaners or detergents, cover or tape over all openingswhich require protection against the intrusion of water,steam or detergent for safety or function-relatedreasons. Special care must be taken with electric motorsand other components under voltage.

After cleaning, remove all covers/tape applied for thatpurpose.After cleaning, examine all fuel and oil lines for leaks,loose connections, and signs of abrasion or damage.Any defects found must be rectified without delay.Always tighten any screwed connectionsthat have been loosened during maintenance and repair.Any safety devices removed for set-up, maintenanceor repair purposes must be refitted and checkedimmediately upon completion of the maintenance andrepair work.Ensure that all consumables and replaced parts aredisposed of safely and with minimum environmentalimpact.The electrical equipment of machines is to be inspectedand checked at regular intervals. Defects such as looseconnections or scorched cables must be rectifiedimmediately.Before starting work on high-voltage assemblies andafter cutting out the power supply, the power cablemust be grounded and components such as capacitorsshort-circuited with a grounding rod.Never leave internal combustion engines to run in aclosed or small room. The exhaust gas containspoisonous carbon monoxide.Observe the regulations in force at the respective site.Carry out welding, flame-cutting and grinding work onthe machine only if this has been expressly authorized,i.e. there may be a risk of fire or explosion!Before carrying out welding, flame-cutting and grindingoperations, clean the machine and its surroundingsfrom dust and other inflammable substances and makesure that the premises are adequately ventilated (riskof explosion).Check all lines, hoses and screwed connectionsregularly for leaks and obvious damage. Repair damageimmediately. Splashed oil may cause injury and fire.During operation, all sound baffles must be closed.Always wear the prescribed ear protectors.When handling oil, grease or other chemicals, observethe applicable safety regulationsfor the product in question.Be careful when handling hot consumables (risk ofburning or scalding).

DANGER!Regularly clean the equipment, especially in the exhaust and engine regions. Otherwise there is anincreased risk of a fire!

Possible faults and their elimination

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8 Possible faults and their elimination

Fault RemedyCause

V-belt not running smoothly.

Grinding noises

Premature V-belt wear

Check that the V-belt pulley is central;the support surfaces must be clean andfree of burs

Fit V-belt and V-belt tensioner inaccordance with the assemblyinstructions

Realign the V-belt tensioner inaccordance with the instructions

V-belt pulley not fitted correctlyfitted

V-belt is not running over the V-belttensioner

Contact with the edges of the V-beltand the V-belt tensioner pulley

IMPORTANTShould a fault occur that is not listed in this table, consult a specialized dealer. If all remedies describedhere have been unsuccessful, consult a specialized dealer.

IMPORTANTUse only original spare parts from the manufacturer that are available from your specialized dealer. Thesewill ensure that the machine functions correctly.

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Terms of Guarantee

The manufacturer’s terms of guarantee are valid in the territory of the Federal Republic of Germany.This guarantee applies if the appliance is used correctly in accordance with its intended purpose, if it is treated ina proper manner and if the information contained in the operating instructions is followed.This guarantee does not cover damage arising s a result of normal wear and tear of working parts, such as filterelements, spark plugs, tyres, light bulbs, friction linings, fan belts, blades, improper treatment, negligent use,installation of non-original spare parts, insufficient care and/or maintenance, or non-compliance with the operatinginstructions.Outside the Federal Republic of Germany, the terms of guarantee published by our local state agency apply.

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