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012457EN 

 

 

 

 
 

Operating Instruction Booklet  

 
 
 

 

 

 
 

Pneumatic Screwdriver  

 
 
 

346-138U 

396188 A 

346-238U 

396188 B 

346-738U 

396188 C 

346-338U 

396188 D 

346-438U 

396188 E 

 

 

 

 

 

 

 

 

 

 

 

MINIMAT 

 

Summary of Contents for 346-138U

Page 1: ...012457EN Operating Instruction Booklet Pneumatic Screwdriver 346 138U 396188 A 346 238U 396188 B 346 738U 396188 C 346 338U 396188 D 346 438U 396188 E MINIMAT ...

Page 2: ...nt 1 SAFETY TIPS 3 1 1 General Safety Tips 3 1 2 General Safety Tips for Pneumatic Screwdriver Spindles 4 1 3 Owner Obligation 5 1 4 Operator Obligation 5 1 5 Warranty and Liability 5 1 6 Symbol Description 6 1 7 Observe Environmental Regulations 7 2 DESIGNATED EQUIPMENT USE 8 3 INSTALLATION 8 4 OPERATION 10 4 1 Range and Exchange of Clutch Spring 11 4 2 Torque Adjustment 14 5 HANDLING 15 6 ASSEMB...

Page 3: ...is clearly described in chapter Designated Equipment Use and those requirements have to be observed as well Prerequisite for the safe conduct and the uninterrupted operation of the equipment is the knowledge of the basic safety tips and the safety regulations Additionally all current regulations for a safe operational area for accident prevention guidelines of electrical and mechanical installatio...

Page 4: ...s flying splinters When using tool with bit adapter or bit extension i e Magnetic Bitholder make sure that those items are in good condition and well suited for the application with this tool When using a screwdriver stand make sure that the tool is securely mounted If no stand is used make sure to have a solid stance to absorb the tools torque reaction force If you are not able to absorb the torq...

Page 5: ...ety and accident preventing regulations read and observe the safety and warning notifications of this operating instruction booklet 1 5 Warranty and Liability Unless otherwise specified our General Sales and Delivery Conditions apply Warranty and liability claims in regards to persons or equipment damages are invalid if one or several of the following causes apply Use of the equipment in a non des...

Page 6: ... damaging grease cooling agents or detergents RECOMMENDATIONS Important or additional information on the equipment or in the documentation Use eye protection or wear safety goggles Wear hearing protection Warning against hand injuries Attention Keep away your hands from areas which are marked with this symbol Hands may be crushed seized or otherwise injured ESD protected area Equipment may be dama...

Page 7: ...jury may occur due to a whipping air hose After conclusion of maintenance or repair and prior to start of operation make sure to remove all materials tools and other supplies needed for the maintenance or repair from work area of the equipment remove leaking liquid or oils make sure all safety devices on the equipment work perfectly 1 7 Observe Environmental Regulations When working on or with the...

Page 8: ...uipment as follows a for standard operation connect equipment to a maintenance unit consisting of Filter with condensation reservoir Regulator and Oiler When choosing a maintenance unit observe air consumption rate for the tool see Technical Data Air Consumption Thread Size Part No 0 05 0 5 m min 820454 A 0 15 1 5 m min 820455 A 0 8 6 0 m min 821608 A b for the use with minimal lubrication connect...

Page 9: ...flow between 5 0 71 PSI and 6 3 bar 90 PSI A higher pressure leads to increased wear and tear A lower pressure may lead to clutch not being able to correctly shut off the motor In regards to air quality according to ISO8573 1 we recommend CLASS RESIDUE OF OIL RESIDUE OF DUST RESIDUE OF WATER Content mg m Particle Size mm Concentration max mg m Dew Point o C Pressure Concentration max g m Lubricate...

Page 10: ...7 D 0 1 0 3 6 1 2 5 346697 E 0 3 0 5 6 1 2 5 346697 F 4 Operation Unless otherwise requested the driver is preset to max torque with the strongest clutch spring installed on the clutch Adjust clutch to the required torque value If necessary exchange clutch spring The required torque adjustment can be checked using a DEPRAG Torque Wrench or Dynamometer see DEPRAG catalogs D 3020 and D 3022 This equ...

Page 11: ...lbs 353795 3 2 mm blue appx 2 0 Nm 18 in lbs appx 4 4 Nm 39 in lbs All torque values are based on 90 PSI 6 3 bar air pressure Torque values are estimated data which may differ depending on the type of screw joint Type 346 338U and 346 438U Torque Range of the individual clutch spring PART NO WIRE Æ COLOR TORQUE MIN TORQUE MAX 328562 5 6 mm white appx 10 0 Nm 89 in lbs appx 24 0 Nm 212 in lbs 32802...

Page 12: ...tch 396030 B Slide the sup plied spanner 805491 AF 11 over the hex of the clutch shaft and un screw the adjustment nut by means of spanner 800408 AF 19 5 Remove lock ring 6 Exchange clutch spring and reassemble clutch in reverse order 7 Insert clutch into the clutch bearing and tighten clutch bearing complete with spring sleeve to the DEPRAG Screwdriver left hand thread Attention The claw of the c...

Page 13: ...clutch 396030 B 8 An external torque adjustment of the clutch is again possible see section Torque Adjustment Make sure to screw adjustment adjusting nut onto clutch bearing until one line of the thread is visible clutch spring adjustment nut hex of the clutch shaft ...

Page 14: ...screwdriver version 346 3 438U clutch 396030 B Push the sup plied adjustment wrench 337691 through the slot on the motor housing into the bore of the adjustment nut 3 By turning the hand screwdriver resp adjustment wrench clockwise the torque is reduced and if turned counter clockwise the torque is increased Picture Torque Adjustment Screwdriver version 346 1 2 738U Clutch 389748 B D half round bo...

Page 15: ...nd or lateral handle as per brochure D 3340 E The operating direction of reversible Screwdriver models can be reversed by actuating the reverse button in order to loosen tightened screws Tool will also start after pushing it down The clutch will be locked in the reverse direction An increased reaction torque may occur in the case of screws are hard to tighten such as screws with defective thread T...

Page 16: ...gearing parts may be damaged if dropped For disassembly proceed in the sequence described below 1 Disconnect the machine from air supply 2 Unscrew clutch bearing AF 27 left hand thread complete with spring sleeve Accessories Optional equipment 3 Take out the complete clutch 4 Unscrew the quick release nipple 804271 AF 17 and remove the o ring 802514 and the silencer 402378 5 Clamp the exterior mot...

Page 17: ...s from the bearing covers Minimum vanes width should be 8 mm Assembly Use the DEPRAG Grease 807293 100 g tube to grease the ball bearing needle bearing and gearing parts prior to reassembly For assembly proceed logically in reverse order with reference to disassem bly Special Repair Tools Optional Equipment NAME PART NO Arbor to disassemble bearing cover with groove ball bearing 462330 Press in de...

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Page 28: ...28 6 2 Dimensional Drawing ...

Page 29: ... is in the lubricator if lubrication is used and that the adjustment is correct We recommend for your lubricator DEPRAGOL part 790081 E After cleaning the gearing parts have to be greased prior to re assembly preferably with Grease part 807293 After assembly fill 2 3 drops of DEPRAGOL into the air inlet nipple If tool are being used with lubrication we recommend to have tools tested and cleaned ev...

Page 30: ...ing Insufficient Power Air pressure too low Minimum air pressure should be 90 PSI for maximum performance Restriction in air hose Remove bends or other restrictions Valve Pin too short Check required length of valve pin according to picture Actual Size of Valve Pin If needed exchange valve pin Hose I D is too small Use required hose I D Screen Support Silencer clogged Clean screen support silencer...

Page 31: ...ention When connecting to compressed air supply valve pin may be catapulted out which may cause serious injuries When verifying the actual size of the valve pin make sure N O T to hold the screwdriver directed towards yourself or any other person Verify the actual size only with compressed air connected ...

Page 32: ... and Exchange of Clutch Spring 10 Accessories Optional equipment NAME PART NO Spring sleeve cpl without screw suction 364672 A Spring sleeve cpl with screw suction 364672 C Exhaust hose 398703 A Support ring 398704 A Screwdriver adaption for linear stand 400833 A Prism clamping device for linear stand 400833 E Operating Screwdriver with a Finder Installation of the Finder optional equipment Remove...

Page 33: ...bly of exhaust hose 398703 A A complete exhaust hose 398703 A is available as an optional item Please mount exhaust hose as follows 1 Disconnect the screwdriver from air supply 2 Remove the quick release nipple 804271 with o ring 802461 and the silencer 402378 3 Assemble the hose connection 402385 with o ring 827750 onto the screwdriver and tighten it with the quick release nipple 804271 socket wr...

Page 34: ... screwdriver from air supply 2 Unscrew the complete clutch bearing left hand thread 3 Remove the o ring from the clutch bearing 4 Assemble the supplied o ring 824932 into the groove of the support ring 5 Mount the support ring and tighten the complete clutch bearing with the support ring to the Screwdriver 11 Storage Unused machines should be stored in a dry locked area ...

Page 35: ...rque hard pull up max Nm in lbs 3 27 5 5 49 8 71 Speed unloaded rpm 4200 2300 1200 Noise level dB A 74 Vibration m s 2 5 Air Consumption m min cfm 0 4 14 Quick change chuck mounted yes TYPE 346 338U1 346 438U1 Part No 396188 D 396188 E Screws up to M6 M8 Drive hex female DIN 3126 F 6 3 1 4 Weight kg lbs 1 5 3 3 Air pressure bar PSI 6 3 90 Hose I D for air supply mm in LW 6 Torque min Nm in lbs 2 1...

Page 36: ... stored in a dry locked area Disassemble the machine for the required disposal complete Observe local and environmental regulations for the separation and recycling of materials Recycle waste oil to avoid environmental contamination Waste Oil ...

Page 37: ... DEPRAG SCHULZ GMBH CO PO Box 1352 D 92203 Amberg hereby confirm that the design of the screwdriver 346 138U 346 238U 346 738U 346 338U 346 438U conforms to the following relevant regulation EC Machine Guidelines Version 98 37 EC Amendment No 1 and No 2 2 Applicable Standard EN ISO 12100 1 and 12100 2 Amberg 19 10 2007 ...

Page 38: ... Pneumacon OY Kankurinkatu 4 6 FI 05800 Hyvinkää Tel 358 0 10 7781 400 Fax 358 0 10 7781 401 Internet http www pneumacon fi e mail info pneumacon fi e mail harri lindroos pneumacon fi Tallinn office PK 2841 Kose PK EE 12001 Tallinn Tel 372 0 6 41 94 91 Fax 371 0 6 41 94 92 e mail rauno kolga pneumacon fi FINLAND Pneumacon OY Kankurinkatu 4 6 FI 05800 Hyvinkää Tel 358 0 10 7781 400 Fax 358 0 10 778...

Page 39: ...sal Import Tel 47 0 2 2681 530 Fax 47 0 2 2199 127 POLAND INTEGRATOR RHC ul Wielki Rów 40 B 87 100 Torun Tel 48 56 66 93 841 Fax 48 56 66 93 805 Internet www integrator rhc pl e mail leszek wojtowicz rhc com pl e mail marek sobocinski rhc PORTUGAL Anibal Pires Lda EN 1 Mourisca do Vouga Ap 23 P 3750 907 TROFA AGD Tel 351 0 234 690 080 Fax 351 0 234 690 090 Internet http www anibalpires pt e mail a...

Page 40: ...GMBH u CO Postfach 1352 D 92203 Amberg Kurfürstenring 12 18 D 92224 Amberg 09621 371 0 Fax 09621 371 120 Internet http www deprag com e mail info deprag de Okt 07 Änderungen vorbehalten Technical alterations reserved ...

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