OPTIMUM M A S C H I N E N - G E R M A N Y Table of contents Safety Type plates ...............................7 Safety instructions (warning notes)......................8 1.2.1 Classification of hazards .......................8 1.2.2 Other pictograms...........................9 Intended use ............................10 Reasonably foreseeable misuse......................10...
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OPTIMUM M A S C H I N E N - G E R M A N Y Operation Safety ..............................34 Before starting work ..........................34 During work ............................35 Cooling ..............................35 Control and indicating elements DH26GTV | DH28GSV................ 36 Control panel DH26GTV and DH28GSV....................
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OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head ..........................67 Bohrkopf - Drilling head ..........................67 Bohrkopf - Drilling head ..........................68 Bohrkopf - Drilling head - DH26GTV | DH28GSV, Version 1.0 ..............68 7.10...
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OPTIMUM M A S C H I N E N - G E R M A N Y 10.8 Product follow-up..........................114 10.9 EC Declaration of Conformity DH26GTV | DH28GSV | DH32GSV............115 L500 | L520 Version 1.2.5 dated 10. März 2017...
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Dear customer, Thank you very much for purchasing a product made by OPTIMUM. OPTIMUM metal working machines offer a maximum of quality, technically optimum solutions and convince by an outstanding price performance ratio. Continuous enhancements and product innovations guarantee state-of-the-art products and safety at any time.
OPTIMUM M A S C H I N E N - G E R M A N Y Safety Glossary of symbols provides further instructions calls on you to act listings This part of the operating instructions explains the meaning and use of the warning notes included in these operating instructions, ...
M A S C H I N E N - G E R M A N Y INFORMATION If you are unable to rectify an issue using these operating instructions, please contact us for advice: Optimum Maschinen Germany GmbH Dr. Robert-Pfleger-Str. 26 D-96103 Hallstadt, Germany Email: info@optimum-maschinen.de...
OPTIMUM M A S C H I N E N - G E R M A N Y In case of specific dangers, we replace the pictogram with general danger with a warning of injury to hands, hazardous electri- rotating parts.
If the geared drill is used in any way other than described above, modified without authoriza- tion of Optimum Maschinen Germany GmbH, then the geared drill is being used improperly. We will not be held liable for any damages resulting from any operation which is not in accord- ance with the intended use.
OPTIMUM M A S C H I N E N - G E R M A N Y Clamp the workpiece in the machine vice. Make sure that the workpiece is firmly clamped in the machine vice and that the machine vice is firmly clamped onto the machine table.
OPTIMUM M A S C H I N E N - G E R M A N Y Always disconnect the geared drill if cleaning or maintenance work is being carried out, or is no longer in use. WARNING! The geared drill may only be operated with functional safety devices.
OPTIMUM M A S C H I N E N - G E R M A N Y 1.6.2 Authorized persons WARNING! Inappropriate operation and maintenance of the geared drill constitutes a danger for the personnel, objects and the environment.
OPTIMUM M A S C H I N E N - G E R M A N Y Operator positions The operator position is in front of the geared drill. Img. 1-1: User positions Safety measures during operation CAUTION! Danger due to inhaling dust and mist that are hazardous to health.
OPTIMUM M A S C H I N E N - G E R M A N Y a drilling table with T-slots to fix the workpiece or a vice, a drill chuck guard, in order to prevent interference with the rotating tool.
OPTIMUM M A S C H I N E N - G E R M A N Y 1.11 EMERGENCY STOP push button ATTENTION! The drilling spindle keeps turning for a short time even after actuating the EMERGENCY- STOP push button depending on the preset speed.
OPTIMUM M A S C H I N E N - G E R M A N Y INFORMATION The machine cannot be started, if the drill chuck guard is not closed. Clamping screw Drill chuck guard Img. 1-4: Drill chuck guard 1.12...
OPTIMUM M A S C H I N E N - G E R M A N Y 1.13 Safety during operation We provide information about the specific dangers when working with and on the geared drill in the descriptions for these types of work.
Check if they are working properly! 1.16 Accident report Inform your supervisors and Optimum Maschinen Germany GmbH immediately in the event of accidents, possible sources of danger and any actions which almost led to an accident (near misses). There are many possible causes for "near misses".
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OPTIMUM M A S C H I N E N - G E R M A N Y Technical specification The following information represents the dimensions and indications of weight and the manu- facturer‘s approved machine data. Explanation of abbreviations: *GTV - Bench drilling machine with frequency converter for infinitely variable speed adjust- ment.
OPTIMUM M A S C H I N E N - G E R M A N Y DH GTV DH 28 GSV DH32 GSV Working surface stand [mm] 350 x 322 350 x 356 420 x 644 Length x Width of the working surface Rotatable drilling table 360°...
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OPTIMUM M A S C H I N E N - G E R M A N Y Though there is a dependency between the degree of the noise emission and the degree of the noise disturbance it is not possible to use it reliably to determine if further precaution measures are required or not.
OPTIMUM M A S C H I N E N - G E R M A N Y Dimensions DH26GTV Img. 2-1: Dimensions DH26 GTV Technical specification DH26GTV | DH28GSV | DH32GSV Version 1.2.5 dated 2017-03-10 Original operating instructions Page 23...
OPTIMUM M A S C H I N E N - G E R M A N Y Dimensions DH28GSV Schwerpunkt / Centre of gravity Img. 2-2: Dimensions DH28GSV DH26GTV | DH28GSV | DH32GSV Technical specification Page 24 Original operating instructions...
OPTIMUM M A S C H I N E N - G E R M A N Y Dimensions DH32GSV Schwerpunkt / Centre of gravity Img. 2-3: Dimensions DH 32 GSV Technical specification DH26GTV | DH28GSV | DH32GSV Version 1.2.5 dated 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Assembly Scope of delivery When the machine is delivered, please check immediately that it has not been damaged during transport. Compare the scope of delivery with the attached packing list.
OPTIMUM M A S C H I N E N - G E R M A N Y The ground must be suitable for the geared drill. Pay attention also to the load-bearing capacity and evenness of the floor.
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OPTIMUM M A S C H I N E N - G E R M A N Y Through- bore Img. 3-1: Marking of the fixing points of the DH 26 GTV, DH 28 GSV Through- bore Img. 3-2: Marking of the fixing points of the DH 32 GSV Img.
OPTIMUM M A S C H I N E N - G E R M A N Y 3.5.1 Assembly drawing DH26GTV Attachment (2) Img. 3-4: Assembly drawing 3.5.2 Assembly drawing DH28GSV Attachment (2) Img. 3-5: Assembly drawing Assembly DH26GTV | DH28GSV | DH32GSV Version 1.2.5 dated 2017-03-10...
Only use the tool holders (e.g. drill chuck) which were delivered with the machine or which are offered as optional equipment by OPTIMUM. Only use tool holders in the intended admissible speed range. Tool holders may only be modified in compliance with the recommendation of OPTI- MUM or of the manufacturer of the clamping devices.
OPTIMUM M A S C H I N E N - G E R M A N Y 3.6.1 Connecting the optional foot switch Floating contact for thread cutting. The foot switch is used to reverse the direction of rotation for thread cutting.
OPTIMUM M A S C H I N E N - G E R M A N Y 3.7.1 Regulated drives in connection with residual current devices Speed-controlled drives are one of the standard equipment in machine and plant construction and perform various tasks.
OPTIMUM M A S C H I N E N - G E R M A N Y To avoid an operating fault, you need an AC/DC-sensitive ELCB. Be absolutely sure which leakage current security is necessary for dangerous body currents, as regulated in DIN VDE 0100 part 410, at your mains connection.
OPTIMUM M A S C H I N E N - G E R M A N Y Operation Safety Commission the machine only under the following conditions: The machine is in proper working order. The machine is used as prescribed.
OPTIMUM M A S C H I N E N - G E R M A N Y If required, adjust the desired drilling depth by means of the drilling depth stop in order to obtain a uniform drilling depth.
OPTIMUM M A S C H I N E N - G E R M A N Y Control and indicating elements DH26GTV | DH28GSV Pos. Designation Item Designation EMERGENCY STOP push button Control panel Drill chuck guard Drilling table...
OPTIMUM M A S C H I N E N - G E R M A N Y Control panel DH26GTV and DH28GSV Rev counter Emergency-stop button Control dial Push button "OFF" Scale drill depth Push button „ON“ Push button "threading"...
OPTIMUM M A S C H I N E N - G E R M A N Y 4.6.1 Drill depth stop Use the drilling depth stop when drilling several holes of the same depth. Adjust the desired drilling depth by means of the scale and of the adjusting screw...
OPTIMUM M A S C H I N E N - G E R M A N Y 4.8.1 Gear selector switch - DH26GTV ǀ DH28GSV The speed is selected by means of the gear selector switches. Speed table Gear selector switch...
OPTIMUM M A S C H I N E N - G E R M A N Y Disassembly, assembly of drill chucks and drill bits DH26GTV ǀ DH28GSV 4.9.1 Use of the quick-action drill chuck The drill chuck consists of two parts (1 and 2).
OPTIMUM M A S C H I N E N - G E R M A N Y 4.9.3 Disassembly with integrated drill drift Move the spindle sleeve lever a bit downward until it is possible to turn the interlocking device for integrated drill drift.
OPTIMUM M A S C H I N E N - G E R M A N Y 4.9.4 Fitting the drill chuck The drill chuck or the tool is secured in the drill spindle against turning over by means of a form- locking connection (driver).
OPTIMUM M A S C H I N E N - G E R M A N Y 4.11 Control and indicating elements DH32GSV Pos. Designation Item Designation Emergency-stop button Push button ON / OFF Drill chuck guard Push button in lever for spindle sleeve...
OPTIMUM M A S C H I N E N - G E R M A N Y 4.12 Control panel DH 32 GSV Emergency-stop button Rev counter Speed control dial Push button "ON" Push button "OFF" Rotation direction push button Left hand motion/ clockwise Push button "threading"...
OPTIMUM M A S C H I N E N - G E R M A N Y Coolant pump ON / OFF Switches the backlight on or off. Machine illumination ON / OFF Switches the backlight on or off.
OPTIMUM M A S C H I N E N - G E R M A N Y 4.13 Switching on the machine - DH 32 GSV INFORMATION The machine cannot be started, if the drill chuck guard is not closed.
OPTIMUM M A S C H I N E N - G E R M A N Y 4.14.2 Speed table - DH 32 GSV Img. 4-14: Speed table DH 32 GSV INFORMATION Observe the speed table on the drilling head when selecting the range of speed.
OPTIMUM M A S C H I N E N - G E R M A N Y INFORMATION The higher the pre-set speed the more rapid is the feed speed on the sleeve. Adjust the correct speed depending on the used material and on the drill diameter.
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OPTIMUM M A S C H I N E N - G E R M A N Y ATTENTION! The tool and/or the drill chuck will fall down. Hold the tool or the drill chuck while drifting it out. ATTENTION! Do not try to expel the tool when it is in the intermediate position.
OPTIMUM M A S C H I N E N - G E R M A N Y 4.16.3 Fitting the drill chuck The drill chuck or the tool is secured in the drill spindle against turning over by means of a form- locking connection (driver).
OPTIMUM M A S C H I N E N - G E R M A N Y Coolant dosing tap Img. 4-21: Coolant shut-off tap and doser Adjust the flow using the shut-off and dosing tap. ATTENTION! Destruction of the pump due dry running.
OPTIMUM M A S C H I N E N - G E R M A N Y Determining the cutting speed and the speed Table cutting speeds / infeed Material table Recommended infeed f in mm/revolution Recommended cutting speed...
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OPTIMUM M A S C H I N E N - G E R M A N Y Drill bit Ø Speed n in rpm in mm 1062 1274 1415 1769 2123 2477 2831 3539 4246 5662 7077 1146 1274...
OPTIMUM M A S C H I N E N - G E R M A N Y Drill bit Ø Speed n in rpm in mm 39,0 40,0 41,0 42,0 43,0 44,0 45,0 46,0 47,0 48,0 49,0 50,0 Examples to calculatory determine the required speed for your drilling machine The necessary speed is depending on the diameter of the drill bit, on the material which is being machined as well as on the cutting material of the drill bit.
OPTIMUM M A S C H I N E N - G E R M A N Y Maintenance In this chapter you will find important information about Inspection, Maintenance and Repair. ATTENTION! Properly performed regular maintenance is an essential prerequisite for operational safety, ...
OPTIMUM M A S C H I N E N - G E R M A N Y WARNING! Before starting the machine you must be sure that no dangers generated for persons, the machine is not damaged. ...
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OPTIMUM M A S C H I N E N - G E R M A N Y Interval Where? What? How? Lubricate the drill column regularly with commercial oil, machine oil, engine oil. Lubricate the toothed rod regularly with commercial grease (e.g.
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OPTIMUM M A S C H I N E N - G E R M A N Y Interval Where? What? How? The chip separator prevents the reflux of chips in the coolant tank. Clean the chip separator regularly. Impurities in the cooling lubri- cant cause blockages and reducing the life of the cooling lubricant pump.
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OPTIMUM M A S C H I N E N - G E R M A N Y Interval Where? What? How? The gear is lubricated with the grease STABURAGS NBU 12. Depending on the usage the gear has to be lubricated in regular intervals.
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OPTIMUM M A S C H I N E N - G E R M A N Y Interval Where? What? How? "Obligations of the operating company“ on page 13 "Electronics“ on page 19 If the light bulb is defective: ...
If the repairs are carried out by qualified technical personnel, they must follow the indications given in these operating instructions. Optimum Maschinen Germany GmbH accepts no liability nor does it guarantee against damage and operating malfunctions resulting from failure to observe these operating instructions.
OPTIMUM M A S C H I N E N - G E R M A N Y Cooling lubricants and tanks CAUTION! The cooling lubricant can cause diseases. Avoid direct contact with cooling lubricant or parts covered in cooling lubricant.
OPTIMUM M A S C H I N E N - G E R M A N Y 6.4.1 Inspection plan for water-mixed cooling lubricants Company: No.: Date: used cooling lubricant size to be checked Inspection methods Inspection Procedure and comment...
OPTIMUM M A S C H I N E N - G E R M A N Y Ersatzteile - Spare parts - DH26GTV | DH28GSV Elektrische Ersatzteile - Electrical spare parts Schaltplan - Wiring diagram Der aktuelle Schaltplan mit Ersatzteilliste befindet sich im Schaltschrank der Maschine.
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head Abb. 7-2: Bohrkopf - Drilling head Ersatzteile - Spare parts - DH26GTV | DH28GSV DH26GTV | DH28GSV DE ǀ GB Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head 55 AB Abb. 7-3: Bohrkopf - Drilling head DE ǀ GB DH26GTV | DH28GSV Ersatzteile - Spare parts - DH26GTV | DH28GSV Originalbetriebsanleitung Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head 118 CD Abb. 7-4: Bohrkopf - Drilling head Bohrkopf - Drilling head Abb. 7-5: Bohrkopf - Drilling head...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head Abb. 7-6: Bohrkopf - Drilling head Bohrkopf - Drilling head - DH26GTV | DH28GSV, Version 1.0 Abb. 7-7: Bohrkopf - Drilling head DE ǀ...
OPTIMUM M A S C H I N E N - G E R M A N Y 7.10 Bohrkopf - Drilling head - DH26GTV | DH28GSV, Version 1.1 Abb. 7-8: Bohrkopf - Drilling head Ersatzteile - Spare parts - DH26GTV | DH28GSV DH26GTV | DH28GSV DE ǀ...
OPTIMUM M A S C H I N E N - G E R M A N Y 7.11 Bohrfutterschutz - Drilling chuck protection 107-1 107-2 Abb. 7-9: Bohrfutterschutz- Drilling chuck protection Teileliste Bohrkopf - Parts list drilling head - DH26GTV | DH28GSV Menge Grösse...
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OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste Bohrkopf - Parts list drilling head - DH26GTV | DH28GSV Menge Grösse Artikelnummer Artikelnummer Item no. Item no. Bezeichnung Description Qty.
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OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste Bohrkopf - Parts list drilling head - DH26GTV | DH28GSV Menge Grösse Artikelnummer Artikelnummer Item no. Item no. Bezeichnung Description Qty.
OPTIMUM M A S C H I N E N - G E R M A N Y 7.12 Bohrtisch - Drilling table - DH26GTV Abb. 7-10: Bohrtisch - Drilling table - DH 26 GT Ersatzteile - Spare parts - DH26GTV | DH28GSV DH26GTV | DH28GSV DE ǀ...
OPTIMUM M A S C H I N E N - G E R M A N Y 7.13 Bohrtisch - Drilling table - DH28GSV Abb. 7-11: Bohrtisch - Drilling table - DH 28 GSV DE ǀ GB DH26GTV | DH28GSV...
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OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste Bohrtisch - Parts list drilling table - DH26GTV | DH28GSV Menge Grösse Artikelnummer Artikelnummer Item no. Item no. Bezeichnung Description Qty.
7.15 Schaltplan - Wiring diagram - DH28GSV, Version 1.0...
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OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste elektrische Komponente - Spare part electrical component - DH26GTV | DH28GSV, Version 1.0 Grösse Artikelnummer Bezeichnung Description Size Item no. DH26GTV...
OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste elektrische Komponente - Spare part electrical component - DH26GTV | DH28GSV, Version 1.1 Grösse Artikelnummer Bezeichnung Description Size Item no. Antriebsmotor...
OPTIMUM M A S C H I N E N - G E R M A N Y Ersatzteile - Spare parts - DH32GSV Bohrkopf- Drilling head Abb. 8-1: Bohrkopf - Drilling head DE ǀ GB DH 32 GSV Ersatzteile - Spare parts - DH32GSV Originalbetriebsanleitung Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head Abb. 8-2: Bohrkopf - Drilling head Ersatzteile - Spare parts - DH32GSV DH 32 GSV DE ǀ GB Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head 67AB Abb. 8-3: Bohrkopf - Drilling head DE ǀ GB DH 32 GSV Ersatzteile - Spare parts - DH32GSV Originalbetriebsanleitung Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head 67CD Abb. 8-4: Bohrkopf - Drilling head Ersatzteile - Spare parts - DH32GSV DH 32 GSV DE ǀ GB Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head Abb. 8-5: Bohrkopf - Drilling head DE ǀ GB DH 32 GSV Ersatzteile - Spare parts - DH32GSV Originalbetriebsanleitung Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head - DH32GSV, Version 1.0 Abb. 8-8: Bohrkopf - Drilling head Ersatzteile - Spare parts - DH32GSV DH 32 GSV DE ǀ...
OPTIMUM M A S C H I N E N - G E R M A N Y Bohrkopf - Drilling head - DH32GSV, Version 1.1 Abb. 8-9: Bohrkopf - Drilling head DE ǀ GB DH 32 GSV Ersatzteile - Spare parts - DH32GSV Originalbetriebsanleitung Version 1.2.5 2017-03-10...
OPTIMUM M A S C H I N E N - G E R M A N Y 8.10 Bohrkopf - Drilling head - DH32GSV Abb. 8-10: Bohrkopf - Drilling head Ersatzteile - Spare parts - DH32GSV DH 32 GSV DE ǀ...
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OPTIMUM M A S C H I N E N - G E R M A N Y Ersatzteilliste Bohrkopf DH 32GSV - Spare part list drilling head DH 32 GSV Menge Grösse Artikelnummer Bezeichnung Description Qty. Size Item no.
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OPTIMUM M A S C H I N E N - G E R M A N Y Ersatzteilliste Bohrkopf DH 32GSV - Spare part list drilling head DH 32 GSV Menge Grösse Artikelnummer Bezeichnung Description Qty. Size Item no.
OPTIMUM M A S C H I N E N - G E R M A N Y Ersatzteilliste Bohrkopf DH 32GSV - Spare part list drilling head DH 32 GSV Menge Grösse Artikelnummer Bezeichnung Description Qty. Size Item no.
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OPTIMUM M A S C H I N E N - G E R M A N Y Ersatzteilliste Bohrtisch- Spare part list drilling table - DH 32 GSV Menge Grösse Artikelnummer Bezeichnung Description Qty. Size Item no. Maschinenfuss Machine base 0303424021 Bohrsäule...
OPTIMUM M A S C H I N E N - G E R M A N Y 8.12 Bohrfutterschutz - Drilling chuck protection 107-1 107-2 Abb. 8-12: Bohrfutterschutz- Drilling chuck protection Ersatzteilliste Bohrfutterschutz - Spare part list drilling chuck protection...
8.14 Schaltplan - Wiring diagram - DH 32 GSV - 2-2, Version 1.0 Drill drift Chuck guard Emergency stop switch Sensor above Sensor below Automatic feed Control board Electrical clutch FU pilot control...
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OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste elektrische Komponente - Spare part electrical component - DH 32 GSV, Version 1.0 Menge Artikelnummer Bezeichnung Description Qty. Item no. Elektrokupplung...
OPTIMUM M A S C H I N E N - G E R M A N Y Teileliste elektrische Komponente - Spare part electrical component - DH 32 GSV, Version 1.1 Menge Größe Artikelnummer Bezeichnung Description Qty. Size Item no.
OPTIMUM M A S C H I N E N - G E R M A N Y Malfunctions Cause/ Malfunction Solution possible effects Motor is hot • Wrong electrical connection of 400V • "Electrical connection“ on page machines Noise during work.
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OPTIMUM M A S C H I N E N - G E R M A N Y Cause/ Malfunction Solution possible effects The drilling spindle cannot be • Integrated drill has been swiveled • Swivel integrated drill drift out moved downwards.
Besides the legal liability claims for defects of the customer towards the seller, the manufac- turer of the product, OPTIMUM GmbH, Robert-Pfleger-Straße 26, D-96103 Hallstadt, does not grant any further warranties unless they are listed below or were promised as part of a single contractual provision.
V-belts, ball bearings, illuminants, filters, sealings, etc. - Non reproducible software errors Any services, which OPTIMUM GmbH or one of its agents performs in order to fulfil any additional warranty are neither an acceptance of the defects nor an acceptance of its obli- gation to compensate.
Example: not stackable - do not stack a second pack- ing case on top of the first one. Consult Optimum Maschinen Germany GmbH if the machine and accessories are stored for more than three months or are stored under different environmental conditions than those spec- ified here.
OPTIMUM M A S C H I N E N - G E R M A N Y 10.5.1 Decommissioning CAUTION! Used devices need to be decommissioned in a professional way in order to avoid later misuses and endangerment of the environment or persons.
Any experiences with the geared drill which might be important for other users Recurring malfunctions Optimum Maschinen Germany GmbH Dr.-Robert-Pfleger-Str. 26 D-96103 Hallstadt Fax +49 (0) 951 - 96 555 - 888 email: info@optimum-maschinen.de DH26GTV | DH28GSV | DH32GSV...
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M A S C H I N E N - G E R M A N Y 10.9 EC Declaration of Conformity DH26GTV | DH28GSV | DH32GSV in accordance with the Machinery Directive 2006/42/EC Annex II 1.A The manufacturer/ Optimum Maschinen Germany GmbH Dr.-Robert-Pfleger-Str. 26 distributor: D - 96103 Hallstadt hereby declares that the following product...
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OPTIMUM M A S C H I N E N - G E R M A N Y Index Speed table .............39 Storage ..............26 Accident report ............. 19 Assembly .............. 26 Table cutting speeds ..........52 Technical data ............20 Change information ..........111 Classification of hazards ........