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013124en
NOTICE ALL DOCUMENTATIONS !
Before beginning work this operating instruction booklet and the enclosed
safety instructions (no. 016000, pink-colored booklet) have to be read through
carefully. Always follow the instructions during operation. Give this operating in-
struction booklet and the appropriate safety instructions to the operator.
Operating Instruction Booklet
- Translation of the original instructions -
Pneumatic Screwdriver
MINIMAT
Motor Size 3
346-237U
346-737U
346-337U
346-437U
400373 B
400373 C
400373 D
400373 E
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Table of Contents
Related Manuals for Deprag MINIMAT 346-237U
Summary of Contents for Deprag MINIMAT 346-237U
- Page 1 013124en Operating Instruction Booklet - Translation of the original instructions - Pneumatic Screwdriver MINIMAT Motor Size 3 346-237U 400373 B 346-737U 400373 C 346-337U 400373 D 346-437U 400373 E NOTICE ALL DOCUMENTATIONS ! Before beginning work this operating instruction booklet and the enclosed safety instructions (no.
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Page 2: Table Of Contents
Contents 1 SIGNAL WORD AND SYMBOL DEFINITION ...............3 2 SAFETY INSTRUCTIONS .....................4 3 INTENDED USE......................5 4 DELIVERY CAPACITY ....................5 5 INSTALLATION ......................6 5.1. Recommended Equipment..................8 5.2. Optional Equipment....................9 5.2.1 Assembly of Exhaust Hose 413417 A ..............10 5.3. Connection Options for the Pressure Hose ..............11 6 OPERATION ........................12 6.1. -
Page 3: Signal Word And Symbol Definition
Signal Word and Symbol Definition The signal words and symbols used in the technical documentation (safety instructions, operating instruction booklet, etc.) have the following meaning: DANGER Indicates an immediate danger which causes serious injuries or even death if not avoided. WARNING Indicates a threatening danger which can cause serious injuries or even death if not avoided. -
Page 4: Safety Instructions
Safety Instructions WARNING Serious injuries or even death possible! Disconnect screwdriver from air/power supply when adjusting the clutch or changing/mounting the screwdriver tool (bit, socket) or accessory. CAUTION Risk of injury to persons or damage to the tool/work piece. Avoid pressure to fall below the minimum allowable air pressure, because the clutch cannot shut-off safely anymore. -
Page 5: Intended Use
Intended Use DEPRAG MINIMAT Screwdrivers with pistol grip are intended to be used only for manual, torque-controlled assemblies, preferably for horizontal applications. Reversible screwdriver models are also suitable to loosen screw connections. Delivery Capacity Check that the shipment is complete and that there have been no damages in transit. -
Page 6: Installation
Installation • Before connecting the air supply line to the screwdriver, clean the air pipe and the air hose by slightly blowing air into the pipe/hose in order to remove any dirt particles. Wear safety goggles! • Make sure, that all air lines have a sufficient cross-section ( chapter Technical Data) and that there are no throttle areas, bends or kinks. -
Page 7: Illustration 1 - Installation
With regard to air quality according to ISO 8573-1 we recommend: Class Residual Oil Residual Dust Residual Water particle max. pressure max. content size concentration dew-point concentration mg/m³ µm mg/m³ °C g/m³ Lubricated air Oil-free air 0.88 Illustration 1 - Installation... -
Page 8: Recommended Equipment
5.1. Recommended Equipment Balancer (without vacuum interruption) max. Cable Travel Load Range (kg / lbs.) Weight (kg / lbs.) Order No. (m / ft.) 0.0 – 0.5 / 0.0 – 1.1 1.6 / 5.2 0.4 / 0.9 833320 A 0.3 – 1.5 / 0.7 – 3.3 1.6 / 5.2 0.5 / 1.1 833320 B... -
Page 9: Optional Equipment
413417 A Pressure hoses, connecting components etc. catalog D 3340 All catalogs are available for download from our web site: www.deprag.com Operating Screwdriver with a Finder: Installation of the finder (optional equipment): • Remove screw cap (left-hand thread) from spring sleeve. -
Page 10: Assembly Of Exhaust Hose 413417 A
5.2.1 Assembly of Exhaust Hose 413417 A Mount the exhaust hose as follows: Disconnect screwdriver from air supply. Clamp screwdriver on its pistol grip into a vice. Unscrew the quick release nipple 804289 (AF 19, right-hand thread) and the connec- tion piece 407465 (internal hex. -
Page 11: Connection Options For The Pressure Hose
5.3. Connection Options for the Pressure Hose There are 3 options to connect the pressure hose (hose i.d. 6 mm / ¼”) onto the screw- driver by means of the supplied quick release coupling 804251. Lower air-inlet (Standard) Installation steps Always lightly grease the o-rings. -
Page 12: Operation
Torque Adjustment The required torque adjustment can be checked using a torque wrench or measuring platform (see DEPRAG catalogs D3020 and D3022). This equipment can also be used to re-adjust the torque of the screwdriver. 2. If necessary, exchange clutch spring. -
Page 13: Torque Adjustment
6.2. Torque Adjustment For an external torque adjustment use the following steps: Disconnect screwdriver from air supply. For screwdriver type 346-237U/737U: Insert the supplied key 326240 through the slot on the pistol grip into the half-round bore of the lock ring. For screwdriver type 346-337U/437U: Push the supplied key 337691 through the slot on the pistol grip into the bore of the adjustment nut. -
Page 14: Range And Exchange Of Clutch Spring
6.3. Range and Exchange of Clutch Spring The torque range of the screwdriver is adjustable. The torque ranges of the color-coded springs are shown in the table below. IMPORTANT You can only use those clutch springs, which are possible for the respective torque range of the screwdriver. -
Page 15: Illustration 3 - Exchange Of Clutch Spring
NOTICE The claw of the clutch must engage with the claw of the spindle (located in clutch bearing). The hex of the clutch shaft must engage with the hex of the spindle (located in gearing). Screwdriver type 346-237U and 346-737U Clutch 389748 I claw of the clutch half-round bore... -
Page 16: Insert Or Change Inserting Tool
6.4. Insert or Change Inserting Tool IMPORTANT Use perfect inserting tool (e.g. bits) with DIN 3126 – E6.3 (1/4“) external hexagon end only. The screwdriver is equipped with a quick change chuck. Mount or change the inserting tool as follows: Disconnect screwdriver from air/power supply. -
Page 17: Handling
Handling The operation of the screwdriver is very simple As soon as you put the screwdriver tool (bit, socket) onto the screw/nut and actuate the pusher, the screwdriver will start running. After reaching the preset torque, the automatic clutch will disengage and turn off the screwdriver. -
Page 18: Maintenance And Upkeep
Maintenance and Upkeep Incorrect disassembly or assembly can lead to injury of an operator and damage of the ma- chine. Disassembly and assembly work may only be carried out by DEPRAG or qualified personnel. 8.1. Lubricants Use only lubricants approved by the manufacturer. -
Page 19: Maintenance Plan
Fill approx. 2 - 3 drops of oil into After each cleaning / Recommended oil the air inlet after assembly chapter Lubricants Check speed and vibration level After assembly chapter Technical Data If malfunctioning, we recommend sending the machine to DEPRAG. -
Page 20: Disassembly - Assembly
Disconnect machine from air supply. CAUTION Incorrect disassembly/assembly can lead to injury of an operator and damage of the machine. Disassembly and assembly work may only be carried out by DEPRAG or qualified personnel. NOTICE When disassembling, parts could be lost or damaged. -
Page 21: Disassembly
Take out the vanes and check them thoroughly. IMPORTANT Too small or damaged vanes have to be replaced in sets. Basically, use only original vanes from DEPRAG. e) Pull off air-connecting side bearing cover from rotor. f) Press the two ball bearings from the bearing covers. -
Page 22: Assembly
Clamp the motor housing 400336 into a vice on the output side by means of the chu- cking jaws 460475. Apply DEPRAG-grease ( Lubricants) to the valve housing 400341 and press the 4 balls 802201 into the appropriate recess. - Page 23 Mont the o-ring 807647, the disc 326962 and the lock ring 800387 (service tool: suit- able plier) onto the interior motor package. Attach the reverse handle 400271 (with o-ring 802478) onto the pistol grip by means of the screw 400284 (right-hand thread). CAUTION The screw 400284 may become loose and cause injuries.
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Page 24: Check Length Of Valve Pin
9.4. Check Length of Valve Pin WARNING When connecting to compressed air supply valve pin may be cata- pulted out – this may cause serious injuries. When verifying the actual size of the valve pin, make sure not to hold the screwdriver directed towards yourself or any other person. -
Page 25: Spare Part Drawings
9.5. Spare Part Drawings... -
Page 32: Dimension Sheet
9.6. Dimension Sheet... -
Page 33: Troubleshooting
Check required length of valve pin chapter Check Length of Valve Pin ) and replace and/or shorten valve pin if necessary If necessary, please send the tool to DEPRAG for service. 11 Shut Down For shut-down perform the following steps: No. Action Turn the air supply to “OFF”. -
Page 34: Technical Data
12 Technical Data Type 346-237U 346-737U 346-337U 346-437U Order No. 400373 B 400373 C 400373 D 400373 E Motor Size Direction of Rotation reversible Design trigger start Air-Inlet upper, lower or rear air-inlet Screws up to Torque min. (Nm/in.lbs) 2 / 17.7 Torque max. -
Page 35: Ec-Declaration Of Conformity
As manufacturer of the machine we declare that the machine specified in the following corresponds to the Directives and Standards listed below. Manufacturer DEPRAG SCHULZ GMBH u. CO. P.O. Box 1352, D-92203 Amberg Kurfürstenring 12 – 18, D-92224 Amberg Authorized Person Mr. -
Page 36: Service Locations And Authorized Partners
14 Service Locations and Authorized Partners Contact persons in Germany as well as contact persons worldwide can be found on our web site www.deprag.com... - Page 39 Notes...
- Page 40 DEPRAG SCHULZ GMBH u. CO. P.O. Box 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...