Deprag 347-228-31L User manual

011652EN
Operating Instruction Booklet
Stationary Screwdriver Spindle
347-228-31L 386370 A
347-328-31L 386370 B
347-528-31L 386370 C
MINIMAT-ULTRA

2
Dear Customer:
This tool isthe result ofmore than75years of experience in thedesign and
manufacturing of pneumatic tools forthe industrial market.
We kindlyask thatyou read these operating instructionscarefullyso that you
will be able touse this toolsafelyandfor manyyears tocome.
If you need additional information, please contact your DEPRAG
Representative, one of our international supportoffices orus direct at
DEPRAG. We will be happyto answer anyquestions. Pleasevisit our web
site: www.deprag.com
Content
1SAFETY TIPS................................................................................................................3
1.1. General SafetyTips....................................................................................................3
1.2. General SafetyTips for Pneumatic Stationary Screwdriver Spindles.........................4
1.3. Owner Obligation........................................................................................................4
1.4. Operator Obligation....................................................................................................5
1.5. Warrantyand Liability.................................................................................................5
1.6. Symbol Description.....................................................................................................6
1.7. Observe Environmental Regulations..........................................................................8
2DESIGNATED EQUIPMENTUSE.................................................................................8
3INSTALLATION..............................................................................................................9
4OPERATION................................................................................................................11
4.1. Range and Exchange ofClutch Spring.....................................................................12
4.2. Torque Adjustment...................................................................................................13
4.3. Change of bits...........................................................................................................14
4.4. Connection-Possibilities ofthe Function Control.......................................................14
5DISASSEMBLY - ASSEMBLY......................................................................................15
5.1. Correct AssemblyofShut-Off Function on Clutch....................................................18
5.2. Spare Parts Drawing.................................................................................................19
5.3. Installation Tips for Screwdriver Spindle...................................................................26
6MAINTENANCE AND UPKEEP...................................................................................27
6.1. Wear Parts................................................................................................................27
7TROUBLE SHOOTING................................................................................................28
8DELIVERY CAPACITY.................................................................................................29
9ACCESSORIES - OPTIONAL EQUIPMENT................................................................29
10 STORAGE..................................................................................................................32
11 TECHNICAL DATA.....................................................................................................32
12 DISPOSAL..................................................................................................................33
13 DECLARATION OF MANUFACTURER.....................................................................33
14 SERVICE LOCATIONS AND AUTHORIZED PARTNERS.........................................34

3
1SafetyTips
1.1. General SafetyTips
Before operating tool makesureto carefullyread and
observe this operating instruction.
Generally,theoperator ofthe equipment and/ormachineryis responsible for
the equipment’s perfect condition and operation,while observing all necessary
safetyregulations. The equipment and/or machineryhas been constructed in
accordance with the newest level of technologywhile recognizingall
necessarysafety-related requirements. Nevertheless, while operating the
equipment and/or machinerythereis arisk of bodilyharm to the operator as
well as damageto equipment and/or machineryand other property.
Operatethe equipment and/ormachineryonlyif equipment/machinery
• Is used forthe task it was designed for
• is in perfect working condition and safe touse.
It isimportant to observethe technical data of the equipment, especiallyin
regards tothe environmental temperatures. The designated area of useforthis
equipment is clearlydescribed in chapter Designated Equipment Use and
those requirements haveto be observed as well. Prerequisite forthe safe
conduct andthe uninterrupted operationof the equipment, is the knowledge of
the basicsafetytips andthesafetyregulations. Additionally,all current
regulations forasafe operational area, for accident-prevention guidelines of
electrical and mechanical installations, as well as noise suppression demands
must be observed. Duringanymaintenance orrepair work, acleanwork
surface isrecommended. Also, it isnot recommended to either eat or smoke
during repair ormaintenance. Arbitrarychangesmade to the equipment, which
altersits designateduse, voids the warrantyand cancelsthe manufacturers
liability.
• The toolis not insulated toprotect against anelectricalpower surge.
• It is not recommended to usethis tool in explosive hazardous
environments, unless it was specifically designed forsucha use.
The operating instruction booklet, especiallythe safetysymbols andsafetytips
attachedto the equipment or included inthe documentation, must beobserved
at all times byall persons gettinginto contact withtheequipment.

4
1.2. General SafetyTips for PneumaticStationaryScrewdriver Spin-
dles
•
Disconnect thetoolfromthe air supply, when changingbits or
when re-adjustingclutch.
• Do not wear wide clothingorjewelry, for theycan beseized by
movable parts. Wear ahairnet if operator has longhair.
• Keep hands off theinstalledScrewdriver Spindle.
• Injuryis possible, if the driver reacts with an unexpectedmotionor when
usedwith brokenbit orfixture.
• Whenusing toolwith bit-adapter or bit-extension (i.e. Magnetic Bitholder)
make sure, that those items are ingood condition and well suitedfor the
applicationwith this tool.
• Do not exceed themaximum allowable airpressure.
Apressure
regulator has tobeinstalled, which regulates pressurebefore
reachingthe tool.
• After turning-off thetool, thebit will continuetorotate (inertia).
1.3. Owner Obligation
The owner is obliged toonlylet persons operate theequipment, who
• are familiarwith basic work environment safetyrules and accident-
preventing regulations. Also, those persons must have been instructedin
the correct useof the equipment.
• have read andunderstood all safetyand warning notifications in the
Operating Instruction Booklet, as well as all otherdocumentation
pertaining to this equipment.
• check andconfirmat regularintervals, that a safetyoriented operationis
guaranteed.
Onlyqualifiedandauthorizedpersonnel is allowed to operate, maintainand
repair this equipment. Amalfunction, whichimpairs operator safety, must be
immediatelyremoved.

5
1.4. Operator Obligation
Personnel, who is engaged inthe operationof the equipment, must always be
committed to
• observe thebasic safetyandaccident preventing regulations,
• read andobserve the safetyand warning notifications of this operating
instructionbooklet.
1.5. Warrantyand Liability
Unless otherwise specified, our “General Sales and DeliveryConditions”
apply.Warrantyand liabilityclaims in regardstopersons or equipment
damages areinvalid, if one or several of thefollowing causes apply:
• Use of theequipment inanon-designated application.
• Improperinstallation, operation, service ormaintenanceof themachine.
•
Operationofthe machine with eitherdefectiveor removed safetyand
protection devices.
• Non-
observance of the requirements stated in the operating instruction
booklet
,in regardstotransportation,storage, mounting, installation,
operation, maintenanceand serviceof theequipment.
• Structural changeor adjustmentonthe equipmentto anon-
designated
use.
• Inadequatesupervisionof wear parts.
• Improperrepair, inspection or maintenance.
•
Catastrophic cases because ofawar, acts ofgod or otherreasonswhich
are beyond ourcontrol.

6
1.6. Symbol Description
Read and observe the Operating Instruction Booklet, prior
to and during operation oftool.
DANGER
Reference toan immediatedanger to a person. Maylead to
seriousinjuries or even death, ifunobserved!
Properlyrecycle environmentallydamaging grease, cooling
agents or detergents.
RECOMMENDATIONS
Important oradditional information on the equipment or in the
documentation.
Use eye protectionor wear safetygoggles.
Wearhearing protection.
Warning against hand-injuries.
Attention: Keepawayyour hands fromareas, which are marked
with this symbol!
Hands maybe crushed, seizedorotherwise injured.
Waste Oil

7
ESD-protected area
Equipment maybe damaged ordestroyed byan electrostatic
discharge.
Maintenance and repair onhydraulic and pneumatic equipment
mayonlybe performed byspeciallytrained personnel!
Disconnect equipment fromairsupply, priortorepair of
pneumatic or hydraulic equipment.
Provide regular preventive maintenance on hoses andairlines.
Exchange hose lines, even if there is no visible damage!
(Observe corresponding requirements of the manufacturer!)
After repair and maintenance, check the following items:
• make surealldetached andre-attached connections are
solid.
• confirm that removed covers, screens or filters were re-
installed
• During disconnecting orreconnecting of anair-operated
equipment, injurymayoccurduetoawhipping air-hose
After conclusion of maintenance or repair andpriorto start of
operation, makesure to
• remove all materials, tools andothersupplies needed forthe
maintenance or repair from work area of theequipment
• remove leaking liquid oroils
• make sureallsafetydevices onthe equipment work perfectly!

8
1.7. Observe Environmental Regulations
Whenworking on or with the equipment, it is imperative to
observe all requirements inregards towaste-disposal and
proper recycling.
Especiallyduringinstallation, repairormaintenance, water
damaging agents such as
• lubricatinggreaseand oil
• hydraulic fluid
• coolingagents
• solvent-containing cleaningagents
must not leak into the ground orinto the sewage system!
Suchmaterials must bestored, transported, containedand
recycled insuitablecontainers.
2Designated Equipment Use
Screwdriver Spindles are constructedfor thestationaryuse in
•Lever OperatedSingle Spindle Screwdriving Stations
•ConstructionUnits
•Multi-Spindle Screwdriving Stations
•Robot End-Of-Arm Tooling
•X-Y-Z Screw-AssemblyStations
These Spindles assemble screws totorque andmeasure that torque more
accuratelythan any subsequent testingmethod.

9
3Installation
•
Blowout airlineand pressure hose, prior to connection it to thetool.
• Make sure, that all air lines have a sufficient cross-section(see technical
data)andhoses must befree of bends and kinks. The hose lengthshould
not exceed2 meters.
• All DEPRAGScrewdrivers, maybe operatedeither withor without
lubricatedair. (seeparagraph: Maintenanceand Upkeep)Whenoperating
with oilfreeair, a performance reduction of upto20% occurs and
maintenance requirements increases!
• Connect the equipment as follows:
a) for standardoperation connect equipment toa maintenance unit,
consistingof Filter with condensationreservoir, Regulatorand Oiler.
Whenchoosing amaintenance unit, observe air consumption ratefor
the tool(see TechnicalData).
Air ConsumptionThread Size Part No.
0,05 - 0,5m³/min ¼” 820454 A
0,15 – 1,5m³/min ½” 820455 A
0,8 –6,0 m³/min ¾” 821608 A
b) for theuse with minimal lubrication connect to afilter-regulator
consistingof Filter with condensationreservoir andpressure regulator
Air ConsumptionThread Size Part No.
0,05 - 0,5m³/min ¼” 822408 A
0,15 – 0,9m³/min
3⁄8” 826981 A
0,5 –1,5 m³/min ½” 822409 A
0,8 –6,0 m³/min ¾” 826982 A
Eachin connectionwith a Point-of-UseOiler (Part No. 378077 A)
c)for oilfree operation, connect to Filter/Regulator, consistingof Filter
with condensationreservoir andPressure Regulator.
Air ConsumptionThread Size Part No.
0,05 - 0,5m³/min ¼” 822408 A
0,15 – 0,9m³/min
3⁄8” 826981 A
0,5 –1,5 m³/min ½” 822409 A
0,8 –6,0 m³/min ¾” 826982 A

10
OUR RECOMMENDATION: The preferred lubricatingmethod for the
screwdriver spindles mountedinfixtures, brackets, machines, etc., eachin
connection with acontroller, is methodb) withPoint-of-Use Oiler.
• Check pressureat directlyon the machine. The Regulator needs tobe
adjusted toanairflow between 5.0 (71 PSI)and6.3bar(90 PSI). Ahigher
pressureleads toincreased wear and tear. A lower pressure maylead to
clutchnot being able tocorrectlyshut-off the motor.
In regards toair-qualityaccordingtoISO8573-1, we recommend:
CLASS
RESIDUE
OF OIL RESIDUE OF DUST RESIDUE OF WATER
Content
mg/m³ Particle
Size µm
Concentration
max. mg/m³ Dew Point oC
Pressure
Concentration
max. g/m³
Lubricated Air 4515 8+3 6
DryAir 3155-20 0,88

11
4Operation
Unless otherwise requested thedriver is preset to max. torque with the
strongest clutch spring. Adjust clutchtotherequired torquevalue. If
necessary, exchange clutchspring.
Operating theclutch using aclutchspring which exceeds its
allowable torque, leads toa reductionof thetorque accuracy.
The necessarytorque adjustment can be tested, usinga DEPRAG Torque
Wrenchor Dynamometer (see DEPRAG catalogs D3020and D 3022). This
equipment can alsobe usedto re-adjust the torqueof theScrewdriver
Spindle.
Attention:
Push- to- start -screwdriver!
The flowpressure should not dropbelow 5 bar (71PSI)!
The installationandconnectionof the Screwdriver Spindle requires the
following steps:
1. Adjust clutch to required torquesetting(see paragraph: Torque
Adjustment).
2. InstallScrewdriver spindleaccordingto picture: „Installation Tips for
screwdriver spindle“.
3. Connect mainairhose.
4. Connect pneumatic functioncontrolhose. This functioncontrolis under
pressureof 2,5 bar during actual screw-driving. Ifthe function control
is not needed, theport hasto beclosed, otherwise there is aloss of
power of about 15 %.
Pleasemake surenot toexceed the max. driver stroke (see Installation Tips
for screwdriverspindle) during Screwdriving. The noise level can befurther
reduced, when an exhaust connection with connectedFilter/Silenceris used.
The screwdriver will immediatelystart running when the push-
to-start-strokeof approx. 2 mm is activated.
Attention:
Screwdriver is furnishedwith aclutch with leftshut-
off andleft
rotatingclutch so thatlookingdown at thescrewdriver from
the top(= air connector) –it will turnclockwise.

12
4.1. Range and Exchange of Clutch Spring
The torque range of theDEPRAG Screwdriver is adjustable. Please seea
listing forthe torque ranges of the color
-
coded springs below.
Torque Range of the individual clutch spring:
PART-NO.
WIRE-∅
COLOR TORQUE - MIN. TORQUE - MAX.
326391 3,4 mm black appx. 2,5 Nm / 22 in.lbs. appx. 5,0 Nm / 44 in.lbs.
323034 3,2 mm violet appx. 2,0 Nm / 18 in.lbs. appx. 4,0 Nm / 35 in.lbs.
323035 2,8 mm green appx. 1,4 Nm / 12 in.lbs appx. 2,5 Nm / 22 in.lbs.
323036 2,2 mm red appx. 0,5 Nm / 4,4 in.lbs. appx. 1,5 Nm / 13 in.lbs.
323037 1,6 mm yellow appx. 0,2 Nm / 2 in.lbs. appx. 0,6 Nm / 5,3 in.lbs.
All torquevalues are based on 90-PSI (6,3bar)airpressure. Torque values
are estimateddata which maydiffer– dependingon thetype of screwjoint.
Change of Clutch Spring
To avoid loosingparts, it is recommended toonly
disassemble the machineontopof aflat work surface.
1. Disconnect driver from air supply.
2. Unscrewclutchbearing (left-handthread).
3. Remove clutchcomplete.
4. Insert handscrewdriver into thehalf-round boreof thelock ring and turn
hand screwdriver clockwise, untilthe adjustment nut comes off.
5. Remove lock ring.
6. Remove clutchspring, replace with new clutch springandreassemble
clutch.
7. Insert clutchintothe clutch bearingand tightenclutchbearing to the
DEPRAG Screwdriver (left-hand thread).
Attention:
The clawof the intermediateringmust engage with the
clawof thespindle.
8. An external torque adjustment of theclutchis again possible (see section:
Torque Adjustment).
Check andensurethat engagement lift on thespindleis avail-
able!

13
Picture: Exchangeof clutchspring
Make sureto screw adjustment (adjusting) nut ontoclutchbearing
untilone line of the threadis visible.
4.2. Torque Adjustment
For an externaltorque adjustment use the following steps:
1. Disconnect thescrewdriver from the air supply.
2. Insert the supplied hand screwdriver through one of the3 openings on
the motorhousinginto thehalf-roundbore of thelock ring(if necessary,
turnbit byhand).
3. Byturning thehandscrewdriver clockwise (-), the torque is reducedand
vice-versa (+), thetorque is increased.
Picture: TorqueAdjustment
adjustment
nut
half-round
bore clutchspring
half-
round borefor
hand screwdriver
clawof the
intermediatering

14
4.3. Change of bits
Attention:
Beforeexchange of bits, clutchbearinghas to be inplaceand
driver needs tobedisconnectedfrom air supply.
To change bits, refer to pictureChange of bits:
• Unscrewspringsleeve 364672 A (Accessories -Optionalequipment)(left-
hand thread)–onlynecessaryif a finder is mounted.
• Pull the lock sleeve 351890forward, the bit cannowbe removed or
inserted.
Picture: Changeof bits
4.4. Connection-Possibilitiesof the Function Control
•
Use as air pressure outletduring screw-assembly:
- to controldriver start and stop, as well as shut-off control of clutch;
- as cycle counterof the completeprocess;
eachin connectionwith a PE-Switchor similar.
• Use as air pressure inlet:
- if 6,3bar(90PSI) air pressure is given to thefunctioncontrol port,
the driver starts rotatingat about 15 %of its speed. This will
simplifytheengagement of bit/socket to fastener(for example
when driving hexscrews, nuts, etc.)

15
Function Description / Driver Start
Picture: Installation
5Disassembly-Assembly
Disassembly: (see SpareParts Drawing)
Prior todisassembly, disconnect equipment from air
supply! Onlyexperiencedmaintenance personnel may
assembleor disassemble thisequipment.
After repair or maintenance, verifythat equipment runs tospecification!
Principally, useonly DEPRAG originalspare parts. Otherwise, a reduction
in equipment power-output and anincreasedmaintenance-requirement
occurs. If NON-DEPRAG parts areinstalled, DEPRAG is justifiedto void
anyexisting warrantyand liabilityobligations.
Attention:
Motor- and gearingparts maybe damaged if dropped!
Attention:
Never clamp motorhousinginto avice, without theusage of the
protective chuckingjaws, sincedamage tomotor-housing and
internalparts isunavoidable.

16
For disassembly proceedinthesequencedescribed below:
1. Disconnect thescrewdriver from the air supply.
2. Unscrewthe clutchbearing 386437A (AF 24, left-hand thread) complete
with the spring sleeve (Accessories –OptionalEquipment).
3. Take out thecomplete clutch 395750 A/B/C.
4. Remove thehex. nut 826715(right-hand thread)andtakeoff thecom-
pleteguidebolt 389749 A.
5. Clamp thescrewdriver spindle on its flange into a vice.
6. Unscrewthe nipple3236293bymeans of spanner AF 13and remove
the silencers 323665 and301295.
7. Unscrewthe sleeve 384494(AF 24, right-handthread).
8. Hold themotor housingbymeans of a 24-mm spannerand unscrewthe
valve housing 384469 bymeans of pinwrench 462122(right-hand
thread).
9. Take out thevalve set 386359 B.
10. Carefullypushthe motor- and gearingparts out of the motor housingto-
wards air inlet side (bymeans of asuitable arbor).
a. Clamp rotor cylinder into chucking jaws.
b. Pull of shaft-sidebearing cover fromrotor.
c. Remove rotorcylinder.
NOTE
Exchange onlycompletesets of vanes.
d. Remove vanes andcheck themthoroughly. Vanes that are toonarrow
or damagedhave to be replaced in sets.
e. Pull of air connecting-sidebearing cover from rotor.
f. Press thetwo ballbearings from thebearing covers.

17
Assembly:
Use the DEPRAG Grease 807293 (100-g tube) to grease the
ball bearing, needle bearing and gearing parts priorto
reassembly.
a. Clean rotor.
b. Press theballbearings intothe two bearing covers.
c. Press theshaft-side bearingcover with theballbearing on therotor.
d. Insert the newvanes intothe rotor.
e. Put therotorcylinder over therotor.
After assemblythe bearing covers shouldn’t have anyaxial
gap. The rotor must turnfreely.
f. Press air-connecting side bearingcover with the ball bearing ontherotor.
For remainingassemblyproceed logicallyin reverse order with referenceto
disassembly!
Special Repair Tools (Optional Equipment)
NAME PART NO.
Fixing device (for rotorcylinder) 460474
Assemblyarbor (to assemble circlip800248 ontospindle
351888) 461292
Chucking jaws (formotor housing 384449) 462048
Pin wrench (forvalve housing 384469) 462122
Spanner AF 24(formotorhousing+ clutchbearing) 800406
Spanner AF 8(for function controlline) 800399
Spanner AF 13(fornipple3236293) 800404

18
5.1. CorrectAssemblyof Shut-Off Function on Clutch
ATTENTION
If thestop-pin isinstalledincorrectly,the clutch will NOT
shut -off.
In between the two curves, thetaperof thestoppinhas topoint towards
the outside(as illustrated inthe pictures below).
Curves
Taper on
StopPin
Taper on
StopPin

19
5.2. Spare PartsDrawing

20