Heyco 764 User manual

Dear User,
Thank you for choosing this Digital
Torque Wrench. This manual will help
you to use the many features of your new
Digital Torque Wrench. Before
operating the torque wrench, please
read this manual completely, and keep it
nearby for future reference.
HEYCO-WERK
HEYNEN GMBH & CO. KG
BIRGDEN III/1
D-42855 REMSCHEID
TEL. [phone]
FAX [phone]
[email protected]
www.heyco.de
Service Manual
Digital Torque Wrench
with digital angle applicator
764 - 765 - 766
08956001200

2 3
Table of contents
 • Digitaltorquevaluereadout
 • highmeasurementaccuracy
 • Interchangeablehead
 • ergonomic2-K-handle
 • reversible
 • BuzzerandmulticoloredLEDIndicator
 • 9pre-settabletargetvalues(Torque)
 • 5variousUnits(Nm,ft-lb,in-lb,kg-cm,Angle°)
 • 50or250datastoragelocationsforretrievinganda
  combinedtorquemonitoring
 • Communicationfunctions
 • Autosleepafterabout2minutesidle
 • compatiblewithAAandalsorechargeablebatteries
 1. InterchangeableHead
 2. SensorYoke
 3. LCDDisplay
 4. Buzzer
 5. CommunicationPort
 6. Buttons
 7. BatteryCap
 8. SquareDrive
 9. Ergonomic2-Khandle
10. LEDIndicator
11. Torque/AngleValue
12. Pre-settingnumber
13. Unit
14. P(PeakHold)/T(TrackMode)
15. PowerOn/Delete
16. M-Memory
17. Unit/SettingButton
18. Up/DownButton
Names and functions of the parts
N·m
MP
1
Features ....................................3
 •Namesandfunctionsoftheparts...............3
 •ModelOverview ..........................4
 •Specications ............................4
 •Note...................................4
Before using the Digital torque wrench........5
 •BatteryInstallation .........................5
 •Poweronandzeroreset .....................6
 •ActivationandStand-by .....................6
 •Zeroreset ...............................6
 •LowVoltageIndicator .......................7
 •Changingthetypeofhead ...................7
Setting, Presets and Operation ................8
 •Presettings...............................8
 •Unitselection............................10
 •SelectTorqueUnit ........................11
 •PeakHold/TrackModeSelection.............12
 •TrackMode.............................13
 •PeakHold .............................14
 •PeakHoldModerecordedValueReview ........15
 •Anglefunction ...........................16
Communication............................ 16
 •Installationofthedriversoftware ..............16
 •Transmissionofrecordeddata ................18
Maintenance and Storage .................. 22
 •batterymaintenance .......................22
Calibration................................ 23

4 5
Note:
Theaccuracyofreadoutisguaranteedfrom20%to100%of
maximumrange+/-1increment.Theaccuracyoftheindicated
torquevalueisatype-boundsize.Formaintainingaccuracy,
calibratethewrenchinregularintervals.Theintervalsdepend
onthefrequencyofapplications.Generallywerecommendto
calibratethetorquewrenchonceayear.
Model Overview / Specifications
Before using the
Digital torque wrench
Model Art. No. Drive Max. Reach Accuracy
00764000080 764 1/2“ 135 Nm 1 % CW / 2 % CCW
00765000080 765 1/2“ 200 Nm 1 % CW / 2 % CCW
00766000080 766 1/2“ 340 Nm 1 % CW / 2 % CCW
Model Overview
Model Art.No. Drive Max. Reach alarm setting range
(Nm)
Length
(mm)
00764000080 764 1/2“ 135 Nm 6,8 - 135 410
00765000080 765 1/2“ 200 Nm 10 - 200 545
00766000080 766 1/2“ 340 Nm 17 - 340 640
Specifications
All models
measurement accuracy CW +/- 1 % CCW +/- 2 %
data storage locations 50 - 250
communication Yes
pre-settings 9 settings
Operation mode Peak Hold / Track Mode Selection
Units Nm, ft-Ib, in-Ib, kg-cm, Angel°
Head Interchangeable
Bit size 12 (B) x 9 (H)
Axial distance 17,5
teeth 52
Buttons 5
Battery 2 x AA
operating temperature -10°C - 60°C
Storage temperatur - 20°C - 70°C
humidity Up to 90% without condensation
Drop test 1 m
Inserting the batteries
Removethebatterycapwitharotationcounterclockwise.
Insert2AAbatteriesmatchingthe+/-polaritiesofthe
batterytothebatterycompartment.
Replacethebatterycapwithaclockwiserotation.
Battery and cap
+
-

6 7
Power On and Zero reset
of the Torque Wrench
Pressbutton CtoturnontheTorqueWrench.
BeforeusingtheTorquewrench,normallyanauto-reset
willbeprocessedautomatically.
ATTENTION!
MakesurethatnoforcesactingontheTorquewrench
duringthepoweron/resetoperation.Ifyoudidnot
followtheabovementionedpoints,thedisplaywill
showsthefollowingsymbol
Pleaseproceedasdescribedabove.Ifthedisplayshows
ErOafterswitchingon,themaxtorquehasbeen
exceededabout10%Inthiscaseanewcalibrationis
absolutelynecessary.
Activation and Stand-by
TheTorquewrenchwillautomaticallyturnoffafter2min
forpowersaving.Pleasepress CtoturnontheTorque
wrench.
ATTENTION!
Duringthecommunicationperiod,theautopower-off
functionisdisabled.
Reset the Torque wrench
To reset the Torque wrench please press button C.
Should a fault occurs, you could reset the Wrench by
loosen the battery cap, then tight it to re-start. After reset
remember to press C
Activation
Low Voltage Indicator
Ifthebatteryserialvoltageisinlowvoltagestatus,the
DisplaywillshowabatterysymbolandthentheWrench
willturnoff.Pleasereplacebatteries.
Changing the type of the head
Whenusingdifferentinserttoolsthetorquevaluetobeset
duetodifferentdimensions(L1)mustbecalculatedusingthe
followingformula:
D: Thesettorque
D1:Theactualtorqueappliedtothenut.
L1:Thechangedlength
L2:Thestandardlength
L3:Thelengthfromthettingpintothecalibrationpoint
Reference dimensions for all models:
Model Art. No. Drive L2(mm) L3(mm)
00764000080 764 1/2“ 39,5 287,7
00765000080 765 1/2“ 49 381,2
00766000080 766 1/2“ 49 501,2
D=D1* (L3+ L1) / (L3+ L2)
calibrationpoint
L2
L3
x
L1

8 9
Setting, Presets and Operations
Pre-settings
1M-Memory
2Up/DownButton
3Unit/Settings
4Poweron/Delete
TheTorquewrenchcanpreset9targettorquesorangles.
Topresetthevalues,pleasedothefollowingsteps.
1.Throughpressingthebutton Mseveraltimesyouwill
reachtherequestedmemorylocations.
2.Inthememorylocationyoucanselectthepreferedunit
bypressingthebutton
2.Inthememorylocationyoucanselectthepreferedunit
2.Inthememorylocationyoucanselectthepreferedunit
U/S
3.Withtheselectionkeys
>
>
youcanenterthetarget
value
4.Bypressingthebutton Magainyousavethepre-setted
valueandskiptothenextmemorypoint.
Pre- settings
Pre-setting: M2
Pre-setting: M1
25.00
N·m
M
1
T
25.00
N·m
M
2
T
25.00
N·m
M
9
T
Pre-setting: M3
Pre-setting: M9
Press M
Press M

10 11
Setting, Presets and Operations
Unit Selection Set torque
Pre-setting: N·m
25.00
N·m
MT
Press U/S
22 1.2
in·lb
MT
U/S
Unit Selection: in·lb
Unit Selection: ft·lb
18.43
ft·lb
MT
U/S
Unit Selection: kg·cm
255.1
kg·cm
M
1
T
U/S
360°
M
Unit Selection: °(Deg.)
Pre-setting Value
25.00
N·m
>
Press
Increace target Value
30.00
N·m
>
Decrease Target Value
28.00
N·m
1
1
1
1
MT
1
MT
1
MT
1
Press
Press
Press
Press

12 13
Selection of Peak Hold or Track Mode
TheTorquewrenchofferstwodifferenttorquefunctions.
InTrackModeitispossibletotriggerapresettargetvalue.
InthePeakHoldModeyoucanholdorsavetheactually
reachedmeasuredvalue.
Thebothdifferentmodescanbeviewedasfollows:
Note:
1.IfErOappears,itmeansthewrenchhasbeentorquedto
morethan110%ofmaximumtorque.
2. IfyoucreateaTorquevalueof5NmintheTrackModethe
displaywillshowanstartwith5Nm,sowhenyoucreate
lessthan5NmtheDisplaywillshownovaluechanges.The
minimumTorquevalueforthe1/4“+3/8“seriesis3Nm.
3.Whenyoureachthemaximumsettingrangethegreenandred
LEDwillflashtogether.
Track Mode
25.00
N·m
long pressing
Peak Hold-/ Track Mode
e
T
For selection
press
Setting the Peak Hold-/ Track Mode
e
P
Press
Record number
*Note 1
Press
Delete recording
*Note 1
Press
Peak Hold or Track Mode
25.00
N·m
Max. Torque value
*Note 1
START
C
(System initial)
25.00
N·m
*Note 2
Create a torque above 5 Nm
Current torque value
18.00
N·m
Reached 90% of Target Torque
Current torque value
22.50
N·m
Buzzer Green LED
Reached above 90% of setted Torque
((...((... ...))...)) ((...((... ...))...))
Reached the max. target torque
Track Mode
25.00
N·m
*Note 3
Buzzer Red LED
Target Torqe is exceeded
((...((... ...))...)) ((...((... ...))...))
MT
1
MP
1
MT
1
MT
1
MPT
1
MT
1
>
>
U/S
U/S
U/S
U/S

14 15
Peak Hold
Note:
1.IfappearsErO,itmeansthattheWrenchhasbeentorqued
tomorethan110%ofthemaximumtorque.
2.IfappearsFULL,itmeansthewrench‘smemoryisfullandno
morevaluescanberecorded.Pleaserefertothe„PeakHold
ModerecordedValueReview“toclearthememoryrecords.
3.Whenyoureachthemaximumsettingrangethegreenandred
LEDwillflashtogether.
Peak Hold Mode
recorded Value Review
Note:
1.ThePeakHoldrecordedvaluereviewcanalsobeperformedin
themode„monitoring“.
2.Ifyouoperateinthe„PeakHold“mode,thedisplaywillshow
MODE.Pleasegoovertothenextstep.
3.Iftherearenorecords,thedisplaywillshowNONE
4.Thisfunctionisnotsupportedonalltypesofmodels.
5.TheCommunicationmodeisforuploadingrecordeddatatoa
PC.
6.TheCommunicationmodeisalsoforcalibratethetorque
wrench.Pleasecontactyourlocaldealerformoreinformation.
Max. Torque value
*Note 1
START
C
(System initial)
22.50
N·m
Create Torque value
Current Torque
value
18.00
N·m
P
Reached 90% of Target Torque
22.50
N·m
Buzzer Green LED
Reached above 90% of setted Torque
((...((... ...))...)) ((...((... ...))...))
Reached the max. target torque
25.00
N·m
*Note 3
Buzzer Red LED
Target Torqe is exceeded
((((((((( ))))))))) ((((((((( )))))))))
18.00
N·m
P
Released
Create Torque
value flashes
M
*Note 2
ec
Recording
MP
1
MP
1
MP
1
Peak Hold / Track Mode
*Note 1
25.00
N·m
Delete
22.50
N·m
*Note 2
MP
1
MP
1
Setting Peak Hold / Track Mode
long pressing U/S
Press U/S
Record No.
005
Auto
change
*Note 3
18.00
N·m
>
>
Recorded value
Press U/S
Peak Hold /
Track Mode
Delete Record
CL
>
Press
U/S
*Note 4, 5, 6
Communication
Yes
C
C
(Exit)
U/S
No
(Task)
U/S
EL
Deleted
5E

16 17
Angle function
Iftheanglefunctionisnotalreadyselected,youreachthe
anglemodebypressingthebutton
Iftheanglefunctionisnotalreadyselected,youreachthe
Iftheanglefunctionisnotalreadyselected,youreachthe
U/S severaltimes.Inthe
anglefunctionyouhavethepossibilitytosetatargetvalue
asdesired.
Communication
Attention:
BeforetheTorquewrenchwillbeconnectedwiththePC
pleasemakesurethatthesoftwarefromtheenclosedCD
isalreadyinstalledonthePC.
Pleaseusetheprovidedaccessoriestotransmitthedatas
only.
Installation of the driver software
PleaseinserttheinstallationCDintoyourCD-ROMdrive.
Pleaserunthesetup.exe intherootdirectoryoftheCDto
installtheuploader.
Pleasefollowtheinstructionsduringtheinstallation.
Communication
Selctthefollowingle:
Start/Programm/UploaderV1.x/UploaderV1.x
Thenthefollowingwindowsareshown.
ConnectthecommunicationcablebetweenthePCandthe
Torquewrench.ThenpleasechoosethemodeSENDor
COMU.(Pleasereadthesection„Transmissionofrecorded
data“toreachthemodeSENDorCOMU)

18 19
Pleaseopenthele„USB-Driver“
Pleaseexecutethe.exe-le
Pleasefollowtheinstallationinstructions
PleaseselecttherespectiveComPortinthe„Uploader“and
click„Portopen“
PleasecheckthedevicemanagerwhichCOMPortwas
assigned
IftheComPortshouldnotberecognizedautomatically
pleaseclicktwiceontheassigneddevice.
Then,pleasechangeintotheregister„driver“

20 21
Pleaseclick„driverstobeselectedfromlist“
PleaseselecttherespectiveComPortinthe
„Uploader“andklick„Portopen“
Pleaseclick„Next“
Connection of the communication cable
TurnofftheTorquewrenchandconnecttheaccessorycable
betweentheCOMPortofthePCandthetorquewrench.
Transmission of recorded data
1.Pleasepress Caftersuccessfullconnectiontoturnon
theTorqueWrench.
2.PleasechangeintotheoperationmodeSENDby
pressingbutton
2.PleasechangeintotheoperationmodeSENDby
2.PleasechangeintotheoperationmodeSENDby
U/S untilyoureachthemenue.By
pressingthebutton
untilyoureachthemenue.By
untilyoureachthemenue.By
U/S severaltimesyoureachthe
modeCOMU.
BypressingthearrowkeysyoureachtheSEND
mode.
3.PleasestarttheuploaderprogramonyourPC.
4.PleaseselectthecorrectCOMportintheuploader
program.
5.Thenpleaseselectthelepathtosavetheuploaded
data.
6.Finally,pressUploadtotransmitthetorquerecordstothe
PC.
7.Theuploadeddatasareshowninacolumnandsavedin
a*.csvle.PleaseuseMicrosoftExceltoview*.csvle.

22 23
Attention!
1. An excessive torque ( 110% of the max.
torque range) can cause damage or loosing
of accuracy.
2. DonotshakeviolentlyordroptheTorquewrench.
3. DonotusethisWrenchasahammer.
4. DonotleavethisWrenchexcessiveheat,humidityor
directsunlight.
5. DonotusethisWrenchinthewater.(notwaterproof)
6. IftheWrenchgetswet,wipeitwithadrytowelas
soonaspossible.Thesaltoftheseawatercandamage
theWrench.
7. Donotuseorganicsolvents,suchasalcoholorpaint
thinnertocleantheWrench.
8. KeeptheWrenchawayfrommagnets.
9. DonotexposethisWrenchtodustorsand.
10.DonotapplyexcessiveforcetotheLCDpanel.
11.Createthetorqueslowlyandcomprisethemiddleof
thehandle.
Battery maintenance
1. Pleaseremovethebatterieswhenyoudidnotusethe
Wrenchoveralongerperiod.
2. Donotmixthebatterytypesorcombineusedbatteries
withnewones.
3. Pleasedisposethebatteriesatanofcialwaste
disposallocation.
CalibrationMaintenance and Storage
Calibration
PleasecalibratetheTorquewrenchinregularintervalsto
savetheaccuracy.Theintervalsdependonthefrequency
ofapplications.Generallywerecommendtocalibratethe
torquewrenchonceayear.