Bercomac BT6 User manual

1

READ&FOLLOWALLSAFETYRULES&INSTRUCTIONSBEFORE

OPERATINGYOUREQUIPMENT

108022_EN R-20160608

*ASSEMBLY *REPAIRPARTS

*OPERATION *MAINTENANCE

*108022*

2

LIMITED WARRANTY

Conditions and Products Covered:

BERCOMAC guarantees any part of the product or accessory

manufactured by BERCOMAC and found in the reasonable

judgment of BERCOMAC to be defective in material and or

workmanship will be repaired or replaced by an authorized

dealer without charge up to our maximum labor rates and pre-

established times. For replacement parts only standard ground

freight services are covered. This warranty applies to the

products bought and used in North America.

Warranty Period

(from date of the original retail purchase)

Residential, light commercial or regular commercial

(agricultural) use: 1 year

Commercial intense, industrial or rental use: 90 days

Exceptions Noted Below; the following items have a different

coverage conditions and limited time:

Gear box: 5 years

Tire Chains:

o90 days residential or light commercial use

oNo warranty on other application

Engines: Will vary as per the manufacturer

Please refer to the engine manufacturer’s warranty

statement included with the unit. BERCOMAC is not

authorized to handle warranty adjustments on engines.

Items and Conditions NOT Covered:

This warranty does not cover the following:

Pick-up or delivery charges or in-home services fees.

Any damage or deterioration of the unit, parts and or finish

of these due to normal use, wear and tear, or exposure.

Cost of regular use or maintenance service or parts, such as

gas, oil, lubricants, tune-up parts, and adjustments.

Any part or accessory which has been altered, modified,

misused, neglected, accidentally damaged or not properly

installed, maintained, stored or repaired not in accordance

withtheinstructionsintheowner’smanual.

Repair due to normal wear and or any wear items such as

shear pins, bolts, belts, winch cable, cutting edge, skid

shoes, gear box seals, etc.

Expedited freight fee services for replacement parts.

Shear bolts and shear pins are to be considered as a

preventive measure not as an assured protection, any

damages resulting from the lack of shear bolts breakage are

not covered.

NOTE: All warranty work must be performed by an authorized

dealer using original (manufacturer) replacement parts.

Owner’sResponsibilities:

BERCOMAC’s defectiveequipment or part must be returned

to an authorized dealer within the warranty period for repairs.

In the event that defective merchandise must be returned to

manufacturer for repairs, freight fees are prepaid and a written

authorization from BERCOMAC must be obtained by dealer

prior to the shipment. This warranty extends only to

equipment operated under normal conditions. To validate a

warranty claim, it is the user’s responsibility to maintain and

servicetheunitasspecifiedintheowner’smanualortohave

the unit serviced at their dealer at their expense.

General Conditions:

The sole liability of BERCOMAC with respect to this warranty

shall be strictly and exclusively repair and replacement as

mentioned herein. BERCOMAC shall not have any liability for

any other costs, loss or damage, including but not limited to,

any incidental or consequential loss or damage.

Taking advantage of the warranty does not in any way extend

the length or renewal of the warranty.

In particular, without being limited to, BERCOMAC shall have

no liability or responsibility for:

Travel time, overtime, after hours time or other

extraordinary repair charges or relating to repairs and or

replacements outside of normal business hours.

Rental of like or similar replacement equipment during the

period of any, repair or replacement work.

Any communicating or travel charges.

Loss or damage to person or property other than that

covered by the terms of this warranty.

Any claims for lost revenue, lost profit or any similar costs

as a result of damage or repair.

Attorney’sfees.

BERCOMAC’s responsibility in respect to claims is limited to

making the required repairs or replacement without charge up

to our maximum labor rates and pre-established times and no

claim of breach of warranty shall be cause for cancellation or

rescission of the contract of sale of any product or accessory.

In no event shall recovery of any kind be greater than the

amount of the purchase price of the product sold.

This warranty gives you specific legal rights. You may also

have other rights, which vary from state to state.

NOTE: Bercomac reserves the right to change or improve the design of any part or accessory without assuming any obligation to modify

any product previously manufactured.

Instructions for Obtaining Warranty Services: Contact the Mahindra dealer where equipment was purchased or any other Mahindra

service dealer to arrange service at their dealership. To locate a dealer convenient to you, access our website at

www.mahindrausa.com. Don't forget to bring your proof of purchase (sales receipt) to the Mahindra dealer.

Revised 05-14-2015

3

TABLEOFCONTENTS

INTRODUCTION ...................................................................................................................................................... 1

SAFETYPRECAUTIONS........................................................................................................................................ 2

SAFETYDECALS .................................................................................................................................................... 4

ASSEMBLY ......................................................................................................................................................... 8

Step1 Removetillerfrompackaging ........................................................................................................ 8

Step2: Drivelineinstallation........................................................................................................................ 9

Step3: Tillerpreparation............................................................................................................................. 10

Step4: Installationontractor ...................................................................................................................... 11

Step5: PTOshaftinstallation ..................................................................................................................... 12

Step6: Drivelineandrotarytillerinterferencecheck-up........................................................................... 13

ADJUSTMENTS ......................................................................................................................................................... 16

OPERATION ......................................................................................................................................................... 18

MAINTENANCE......................................................................................................................................................... 23

LUBRICATION  ........................................................................................................................................................ 27

STORAGE......................................................................................................................................................... 28

TROUBLESHOOTING............................................................................................................................................. 29

PARTSBREAKDOWNANDPARTSLIST

BT4 ....................................................................................................................................................... 31

BT5 ....................................................................................................................................................... 38

BT6 ....................................................................................................................................................... 45

TORQUESPECIFICATIONTABLE........................................................................................................................ 52

PAGE

1

INTRODUCTION

TO THE PURCHASER

This new accessory was carefully designed to give years of dependable service. This manual has been provided to

assist in the safe operation and servicing of your attachment.

NOTE: All photographs and illustrations in the manual may not necessarily depict the actual models or attachment, but

are intended for reference only and are based on the latest product information available at the time of publication.

Familiarize yourself fully with the safety recommendations and operating procedures before putting the machine to

use. Carefully read, understand and follow these recommendations and insist that they be followed by those who will

use this attachment.

THIS SAFETY ALERT SYMBOL IDENTIFIES AN IMPORTANT SAFETY MESSAGE IN THIS

MANUAL THAT HELPS YOU AND OTHERS AVOID PERSONAL INJURY OR 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 recommended precautions

are not followed.

WARNING:

Signals a hazard that may cause serious injury or death if the recommended precautions are

not followed.

CAUTION: Signals a hazard that may cause minor or moderate injury if the recommended precautions are

not followed.

Record your attachment serial number and purchase date in the section reserved below (there is no serial number on

the subframe). Your dealer requires this information to give you prompt, effi

cient service when ordering replacement

parts. Use only genuine parts when replacements are required.

If warranty repairs are required please present this registration booklet and original sales invoice to your selling dealer

for warranty service.

This manual should be kept for future reference.

Please check if you have received all the parts for your kit with the list of the

bag and the list of the box.

SERIAL NUMBER : ___________________________

(IF APPLICABLE)

MODEL NUMBER: ___________________________

PURCHASE DATE : ___________________________

2

3

4

REPLACEIFDECALSAREDAMAGED

FORDECALLOCATIONSEEPARTLIST

DECAL#107650

SAFETYDECALS

Symbol Description

Decal#107853

Decal#105852

5

REPLACEIFDECALSAREDAMAGED

FORDECALLOCATIONSEEPARTLIST

SAFETYDECALS

Decal#108023

6

REPLACEIFDECALSAREDAMAGED

FORDECALLOCATIONSEEPARTLIST

SAFETYDECALS

Decal#107853

7

REPLACEIFDECALSAREDAMAGED

FORDECALLOCATIONSEEPARTLIST

SAFETYDECALS

Decal#107834

8

ASSEMBLY

Overallview

Removetherotarytillerfromtheshippingcrate.

Makesurethatallhardwareisproperlytightened.

STER1:

REMOVETILLERFROMPACKAGING

ASSEMBLYINSTRUCTIONS

IMPORTANT:UNLESSOTHERWISESPECIFIEDTORQUEALLBOLTSACCORDINGTOTORQUESPECI-

FICATIONTABLE(SEETABLEOFCONTENTS).REFERTOPARTSBREAKDOWNSECTIONFORPART

IDENTIFICATION.

NOTE:Inthismanual:

 Therightandleftsideisdeterminedbysittinginthedriver’sseatfacingforward.

 Illustrationsmayvaryfromonemodeltotheother.

 PTOmeansPowertakeoff

TRACTORREQUIREMENTS

ThisTillercanbeinstalledonatractorequippedwith:

 Standard3-pointcategory1hitch

 Quickattach3pointscategory1

 The tiller is compatible with 15 to 50 hp tractors

witha540RPMPTOspeed.

 The tractor PTO must be at 540 rpm and must

have1-3/8’’with6splines.

 ThetractorMUSTbeequippedwithprotective

equipmentdesignedtoshieldtheoperatorfrom

tractorrollover.

 OperateonlytractorsequippedwithRoll-Over

ProtectiveStructure(ROPS)andseatbelt.

WARNING

TOPREVENTINJURIES:

Counterweightsmayberequiredtomaintainsteering

control.Refertoyourtractor’soperator’smanualto

determinepropercounterweightrequirements.

WARNING

THISACCESSORYISHEAVY!

To avoid risk of strain injury, NEVER lift the

accessory by hand alone when handling the

components or assembly. Use proper lifting

deviceandseekassistance.

When accessory is off the ground, NEVER be

underneath the accessory. Serious injury

including possibility of death could occur if

accessoryweretodropsuddenly.

Alwayswearprotectiveshoesandappropriate

gloveswhenmanipulatingorusingthis

equipment.

Placeblockstosupportthetillerasneededto

preventthetillerfromtippingoverontochildor

adult.Atillerfallingmaycauseseriousinjuryor

death.

9

ASSEMBLY

Slip-ClutchDriveline:

AsshownonFigureE:

 Grease*thegearboxinputshaft

AsshownonFigureF:

 Removenut,lockwasher,lockboltM12fromslip

clutchyokeend.

 Slideslip-clutchendofdrivelineyokeontothe

gearboxinputshaft(notshown).

 Securewithnut,lockwasher,lockboltM12.

 Replacetheaccessdoors.

ReplacePTOguard.

WARNING

Allguardsandshieldsmustbeinstalledandingood

working condition at all times during mowing

operation.

STEP2

INSTALLATIONOFDRIVELINE

Note:Atthisstep,theimplementisnotyeton

tractor.

 Greasetheptoshaft,seelubricationsection.

WARNING

Improper installation of the lock bolt may cause the

drivelinetodisconnectfromthetiller’sdriveline.This

maycausematerialdamage,injurtyordeath.

FigureF:Installationofthefrictioncluchextremity.

NutLockwasher

LockBoltM12

Removethedrivelineguard(item1)

Removethetwobolts5/16x1-1/4’’(item2)andthe2

lockwasher(item3)

Reinstallthedrivelineguard.Tightenboltfirmly

10

ASSEMBLY

STEP3:

PREPARATIONOFROTARYTILLER

Removethepinandhairpin(itemA&B)toenable

thefollowinginstallation.

Installbothrightandleftliftarms(item1&2)using4

hexbolt1/2’’n.c.x2-1/4’’(item3)andnyloninsert

locknut(item4)asshown.Makesuretoalignwith

theholesofthepinpreviouslyremoved.

Installthesleeve(item6)usinghexbolt3/4’’n.c.x3-

1/2’’(item5)andnyloninsertlocknut(item7)as

shown.Tightensecurely.

Replacethepinandhairpinpreviouslyremoved.

Installtheguard(item1)using4hexbolts1/4’’n.c.x

3/4’’(item2),4locknuts(item3)and4flatwashers

5/16’’asshown.Tightensecurely.

Installthemanualcanister(item1)using3hexbolts

1/4’’n.c.x1’’(item2),3flatwashers5/16’’(item3)

andnyloninsertlocknuts(item4)asshown.Tighten

loosely.

11

ASSEMBLY

STEP4:

INSTALLATIONONTRACTOR

DANGER

TOPREVENTINJURIES:

A Crushing Hazard exists when hooking-up

equipmenttoatractor.Donotallowanyonetostand

between tractor and attachment while backing-up to

attachment. Do not operate hydraulic 3-point lift

controls while someone is directly behind tractor or

nearattachment.

CAUTION

Release handles have areas where pinching can

occur. Keep hands, fingers and other body parts

away from the pivoting areas of the release

handles.Alwaysusethehandgrips.

OPTIONB)Withthequickhitch:

Thesleeves(items3)mustbeinstalledinplacewith

pinsandhairpins4mm(items1).

Toppinandhairpin4mm(item2)shouldalsobe

installedonliftlever’stophole.

Placethe rotary tiller on a flat level surface. Place

drivelineproperlytoavoidconflictwithfollowingstep.

Slowlybacktractoruptotherotarytillerwhileusing

thetractor’s3-pointhydrauliccontroltoalignquick

hitchslightlylowerthanthemountingpins.

Slowlyraisetractor3pointliftarmstoattachquick

hitchtotheaccessory.

OPTIONA)Withthestandard3pointshitch:

Thesleeves(items3)willnotbeused.

Temporarilyremovehitchpinswithhairpins4mm

(items1&2).

Thelower 3-point arms ofthe3-pointhitchmustbe

stabilized to prevent side-to-side movement. Most

tractorshaveswayblocksoradjustablechainsforthis

purpose. (Please consult your tractor’s manual for

adjustinginstructions).

Placetherotarytilleronaflatlevelsurface.

Aligndrivelineproperlytoavoidinterferences.

Slowly back tractor up to therotarytillerwhileusing

thetractor’s3-pointhydrauliccontroltoalignlower3-

pointarmholeswithhitchpinholes“A”.

WARNING

Alwaysengageparkingbrake,shuttractorengineoff

andremovekeybeforedismountingfromtractor.

Attach lower lift arms with hitch pins with hair pins

4mm(items1).

Connect top center 3-point link hitch pin with hair

pins4mm(item2).

PTOshaft

Topcenter

hitchhole

Lowerhitch

hole

CAUTION

Toavoidinjurycausedbyaccidentaldropof

implement,secureinraisedpositionwithparking

standandsupportblocks.

12

ASSEMBLY

STEP5:

INSTALLATIONOFPTOSHAFT

DANGER

Do not engage tractor PTO while hooking-up and

unhooking driveline or while someone is standing

near the driveline. A person’s body and/or clothing

can become entangled in the driveline resulting in

seriousinjuryordeath.

WARNING

Always disengage PTO, engage parking brake, shut

tractor engine off, remove ignition key, and wait for

blades to come to a complete stop before

dismountingfromtractor.

WARNING

Do not over-speed PTO or machine breakage may

result. Some tractors are equipped with multispeed

PTOranges.Becertainyourtractor’sPTOissetfor

540rpm.

WARNING

DonotuseaPTOadaptorwithaquickhitch.APTO

adapterwillincreasestrainonthetractor’sPTOshaft

resultinginpossibledamagetoshaftanddriveline.

IMPORTANT:Anadditionaldrivelinemayberequired

iftilleristobeusedonmorethanonetractor,

especiallyifaQuickHitchisused.

IMPORTANT:Thedrivelinemustbelubricatedbefore

puttingitintoservice.Referto“Lubrication”section.

IMPORTANT:Thetractor’sPTOshaftandtiller

gearboxshaftmustbealignedandlevelwitheach

otherwhenhooking-upthedrivelinetothetractor.

IMPORTANT:Twosmallchainsaresuppliedwiththe

driveline.Tokeepdrivelineshieldsfromrotating,

thesechainsmustbeattachedtotheouterandinner

drivelineshieldsandtothetillerandtractor.

Neverusethesafetychaintosupportthedrivelineor

forstorage.Alwaysusethesupportontheimplement.

Hooksafetychain(item2)tothetillerframe.Re-latch

safetychaintotheinnerdrivelineshield.

Hooksafetychain(item3)tothetractorframe.Re-

latchsafetychaintotheouterdrivelineshield.

CleanandgreasethetractorPTOandimplement

yokebeforeinstallingthedriveline.

Pushthepin(item1)andslidetheyokeontothe

PTOshaftofthetractorsothatthepinengagesthe

grooveonthePTO.

Donotstandonthedriveline.Donotstepover,

orgounderthedriveline.

Movedrivelineyokebackandforthseveraltimesto

makesureyokehaslockedonthePTOshaft.

IfdrivelinedonotengageontotractorPTOshaft,skip

to“CheckDrivelineCollapsibleLength”.

1

23

DANGER

Allguardsandshieldsmustbeinstalledandingood

workingconditionatalltimesduringtillingoperation.

13

ASSEMBLY

Makesuredrivelineisproperlyinstalledandlevel

beforecheckingdrivelinecollapsiblelength.

Measuredimension“D”asshown.

IfD<1”:Shortendrivelinelengthasbelow.

IfD>1”:Checkdrivelinerecommendedoverlap.

CheckDrivelineCollapsibleLength“D”

IMPORTANT:

Adrivelinethatistoolongcanbottomoutandcause

structuraldamagetotractorandtiller.

Alwayscheckdrivelinecollapsedlength:

 Duringinitialsetup.

 Whenconnectingtoadifferenttractor.

 Whenchanging3-pointhitchCAT1style:

 QuickhitchORstandardhitch

Morethanonedrivelinemayberequiredtofitall

applications.

ShortenDrivelineLength:

Un-hookdrivelinefromtractorPTOshaftandpull

outerandinnerdrivelinesapart.

ReattachouterdrivelinetotractorPTOshaft.Pullon

innerandouterdrivelinestobesureuniversaljoints

areproperlysecured.

Holdinnerandouterdrivelinesparalleltoeachother:

a. Makesuredimension“D”isatleast1”.

Ifneeded:

a. Markdrivelineshalvesatthecorrectlength(“C”)

tocut.

b. Removedrivelineshalvesfromtractorand

gearboxshafts.

c. Removethedrivelineguards.

d. Cutthe“innerandouterdrivelivetubes”bythe

samerequiredlength(distanceC).

e. Deburredgesofthedrivetubesthatwerecutwith

afileandremoveallfilingsfromthetubes.

f. Cutthe“innerandouterdriveliveguards”bythe

samerequiredlength(“C”)

g. Greasetheinternaldrivetube.

h. Reinstallalltheguards.

NOTE:Itistheuser’sresponsibilitytoalwaysuseand

keepshieldinginproperworkingorder.

MeasureandmarktohaveD=1”

Cutandremoveallburrsandcuttings

Greasetheinternaldrivetube.

D

WARNING

Always disengage PTO, engage parking brake, shut

tractor engine off, remove switch key, and wait for

blades to come to a complete stop before

dismountingfromtractor.

STEP6:

DRIVELINE&ROTARYTILLERINTERFERENCESCHECKUP

14

ASSEMBLY

CheckDrivelinerecommendedoverlap.

Morethanonedrivelinemayberequiredtofitall

applications.

Thedrivelinetelescopictubesmustalwaysoverlapby

atleast1/2oftheirlengthinnormalconditionsandat

least1/3oftheirlengthinallworkingconditions.

Recordfollowingdimensions:

 L=_______L/2=_______

 D=_______

IfDisbiggerthanL/2:

 Alongerdrivelineisrecommended.

IfDisbetween1”andL/2:

 Drivelinerecommendedoverlapisgood.

Applymulti-purposegreasetotheinsideoftheouter

shaftandreassemblethedriveline. Greasetheinternaldrivetube.

D

L

RecorddimensionsLandD

DANGER

It’s the owner’s responsibility to make sure there is

notinterferenceinallthepossibleextremeslocations

oftherotary tiller.Some difference betweentractors

(ex. : tractor PTO location, maximum lift…) can

create interferences depending of the rotary tiller

adjustments.

ALWAYS PERFORM A COMPLETE “ DRIVELINE

& ROTARY TILLER INTERFERENCE CHECK” IN

THE  ASSEMBLY SECTION AFTER ANY

ADJUSTMENTANDONINITIALSETUP.

CheckTiller&DrivelineInterference

DonotengagetractorPTOwhileperformingthis

check

Re-installdriveline(refertodrivelineinstallation

section).

Makesuredrivelineyokesandsafetychainsare

properlyattached.

Drawbarclearance:

Slowlyengagetractorhydraulic3-pointcontrollever

tolowertillerwhilecheckingforsufficientdrawbar

clearance.Movedrawbarahead,aside,orremoveif

required.

Allpossibleinterferences:

Check all possible interferences between tractor and

implement components in every possible movement

and configuration. The minimum clearance between

allcomponentsis1’’

Alwayspositionthetillerinthemostextremelocation

oftheadjustment.

Adjustasneeded.

Use the 3point hitch limit  (max and min) on the

3pointslevertolimitthemovementofthetiller

Neverraisethetilleratmorethan12’’underthetine

PTOshaft

Topcenter

hitchhole

Lowerhitch

hole

15

ASSEMBLY

Drivelineangle

IMPORTANT:Avoidprematuredrivelinebreakdown.A

drivelinethatisoperatingmustnotexceedanangleof

25degreesupordownwhileoperating3-pointslift.

WithPTOoff,raiseimplementfullyupandcheckif:

 DimensionDisstillbetween1”andL/2(asex-

plainedinsectionCheckDrivelineCollapsible

Length“D”):

 Drivelinedoesnotexceed25°.

Ifdrivelineexceedsanyofthelimitslisted,settractor3-

pointsliftlimiterataheightthatwillkeepthedriveline

withinitsliftlimitstoavoidprematuredrivelinebreak-

down.Orreducefloating(seeadjustmentsection)

WARNING

Neverraiseimplement12’’offthegroundwhilethe

implementisengaged.Donotengagetheimplement

whenitraisedmorethan12’’offtheground.Doingso

mayresultindamagetothedrivelineandcould

projectdebriscausingseriousinjuryordeath.

MAXIMUMHEIGHTOFTILLER

Setthelimitswitchofthe3pointhitchtoamaximum

heightof12’’.

16

ADJUSTMENTS

SKIDSHOES:

Theskidshoes(item1)mayberaisedorloweredto

adjustthetillingdepth.

NOTE: The depth of tilling is the distance between

theskidshoesandthetinestips.Makesuretoadjust

theskidshoesevenly.

1. Raisethetillerwiththe3pointsandsupportwith

solidblock

2. Untightthepivot(item3)don’tremovethebolt

3. Removeadjustmentbolt(item2)

4. Adjustshoe(item1)

5. Reinstall and tight the adjsutment bolt with nut

(item2)andthepivotbolt(item3)

DANGER

TOPREVENTINJURIES:

Alwaysdisengageelectricclutch,engageparking

brake,shutoffvehicle,removeignitionkey,andwait

forallmovingpartstocometoacompletestop

beforedismountingfromvehicle.

3

DEFLECTOR:

Thedeflector(item1)maybeadjustedbymovingthe

clevispin(item2)intoalowerchainlink.

DANGER

TOPREVENTINJURIES:

Always secure tiller in the up position with solid

support before servicing underside of tiller. Never

work under equipment supported by hydraulics.

Hydraulics can drop equipment if controls are

actuated or if hydraulic lines burst. Either situation

can drop the tiller instantly even when power to the

hydraulicsisshutoff.

17

ADJUSTMENTS

OFFSETTINGTOTHERIGHT:

To offset to the right, move the attaching plate (item

A)towardstheleftasfollows:

Tillermusnotbeinstalledontotractortoexecutethis

adjustment:

1. Loosenallthebolts(item1).

2. Loosenallthenuts(item2).

3. Movetheattachingplatetothedesiredposition.

Makesurenottodamagethetransmission

hexagonshaft.

Note:Iftheattachingplateismovedcompletely

totheleft,usethebolts(item1a)andinsertinto

theholes(item2).

4. Tightenallnuts(item2).

5. Tightenallbolts(item1).

PARKINGSTAND:

The parking stand (item 1) is installed in the raised

positionasshownbyinsertingthelockpin(item2)in

thehole(itemA).

Insert lock pin in the top hole of parking stand to

placeinlowerposition.

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