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User manual Translation Bandsaw N3700 e-classic / N3800 / N4400 Keep this manual handy and in good condition for continual reference!! Dok.ID: 500033-901_02 • Englisch • 2017-01-26...
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Bandsaw N3700 e-classic / N3800 / N4400 Note: Year of construction The machine number of this machine will be printed on the cover sheet of this operating manual.. The final two digits of the machine number show the year of construction of this machine..
Bandsaw N3700 e-classic / N3800 / N4400 General 1 General 1.1 Symbol legend Important technical safety instructions in this manual are In all these particular cases, special attention must be marked with symbols. paid in order to avoid accidents, injury to persons or These instructions for work safety must be followed.
Bandsaw N3700 e-classic / N3800 / N4400 General 1.3 Liability and warranty The contents and instructions in this manual have been a 1:1 scale. The actual delivery contents are dependent compiled in consideration of current regulations and on custom-build specifications, add-on options or recent...
Bandsaw N3700 e-classic / N3800 / N4400 General 1.7 Disposal If the machine is to be disposed of, separate the compo- lute the environment or jeopardise public health. Interna- nents into the various materials groups in order to allow tional environmental regulations and local disposal laws them to be reused or selectively disposed of.
Bandsaw N3700 e-classic / N3800 / N4400 Safety 2 Safety At the time of its development and production, the safety and ensure the safe and trouble-free operation of machine was built in accordance with prevailing the machine. technological regulations and therefore conforms to To further minimise risks, the other chapters of this industry safety standards.
Bandsaw N3700 e-classic / N3800 / N4400 Safety 2.4 Responsibilities of the operator This manual must be kept in the immediate vicinity of accident prevention regulations, general safety regula- the machine and be accessible at all times to all persons tions as well as current environmental stipulations that working on or with the machine.
Bandsaw N3700 e-classic / N3800 / N4400 Safety 2.7 Personal protective equipment When working on or with the machine, the following must be strictly observed: Persons with long hair who are not wearing a hairnet are not permitted to work on or with the machine!
Bandsaw N3700 e-classic / N3800 / N4400 Declaration of Conformity 3 Declaration of Conformity EG-Declaration of Conformity According to Machine Guidelines 2006/42/EG We hereby declare that the machine indicated below, which corresponds to the design and construction of the model we placed on the market, conforms with the health and safety requirements as stated by the EC.
Bandsaw N3700 e-classic / N3800 / N4400 Specifications 4 Specifications 4.1 Dimensions and weight Machine (L x W x H) N3700/N3800 N4400 Total size 829 x 800 x 454 x 650 x 1750 mm 1865 mm Package size 640 x...
Bandsaw N3700 e-classic / N3800 / N4400 Specifications 4.3 Operation and storage conditions Operating/room temperature +10 to +40 °C Storage temperature –10 to +50 °C 4.4 Electrical connection N3700/N3800 Wechselstrommotor Drehstrommotor Motor voltage 1x 230 V 3x 400 V motor frequency...
Bandsaw N3700 e-classic / N3800 / N4400 Specifications 4.5 Dust Extractors The machine has to be connected to a dust extractor. The connection values and the position of the connection port are shown on the picture. The air speed at the connection point has to be a mini- mum of 20 m/s for materials with a humidity less than 12 %.
Bandsaw N3700 e-classic / N3800 / N4400 Assembly 5.2 Data plate The data plate displays the following specifications: • Manufacturer information KR-FELDER-STR.1 A - 6060 HALL in Tirol • Model designation AUSTRIA Tel.: 0043 (0)5223 / 45 0 90 •...
Bandsaw N3700 e-classic / N3800 / N4400 Setup and installation 6 Setup and installation 6.1 Safety instructions Warning! Risk of injury! Improper assembly and installation can lead to serious physical injury or equip- ment damage. For this reason, this work may only be carried out by authorised, trained personnel who are familiar with how to operate the machine and in strict observance of all safety instructions.
Bandsaw N3700 e-classic / N3800 / N4400 Setup and installation 6.2.1 Setting up the work table • The table insert and positioning pin have to be re- moved to set up the work table. • Thread the work table around the saw blade and "...
Bandsaw N3700 e-classic / N3800 / N4400 Setup and installation 6.2.4 Positioning and levelling the machine Attention! Risk of material damage! Do not lift the machine by its work table, extension frames or handwheels. The machine can be transported with a crane, forklift, pallet jack or rolling carriage.
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7 Operation 7.1 Safety instructions Warning! Risk of injury! Improper operation may lead to severe physical injury or material damage. For this reason, this work may only be carried out by authorised, trained personnel who are familiar with how to operate the machine and in strict observance of all safety instructions.
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7.2 Blade selection and maintenance Selecting the type of saw blade and its width, depends on the material to be cut and the type of cut: • Narrow saw blades are designed for curved and circular cuts, whereas wide saw blades are desi- gned for straight cuts.
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7.3 Saw blade replacement/tension 1. Disconnect the machine from the mains supply. 2. Remove table insert and positioning pin. Open wheel door. 3. Loosen the blade tension hand wheel by turning it clockwise.
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7.5 Adjusting the saw blade guide Warning! Risk of injury! Do not change settings whilst the machine is in operation! 7.5.1 Height adjustable protection device The upper saw blade guide has to be lowered as closely as possible to the work-piece (5–10 mm).
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7.6 Switching on the machine / Switching off the machine Warning! Risk of injury due to insufficient preparation! It is only permitted to switch on the machine if, for the work at hand, the required preconditions are fulfilled and any preliminary work is completed.
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7.7.2 Cutting round workpieces in the transverse direction Use an appropriate device with the minimum measure- ments as depicted in Fig. to avoid the workpiece twisting during the cutting process. Fig. 7-9: Cutting a circular workpiece 7.7.3 Cutting workpieces on the upright edge...
Bandsaw N3700 e-classic / N3800 / N4400 Operation 7.7.5 Mitre cuts Use auxiliary equipment as depicted in the figure. Fig. 7-12: Mitre cuts 7.7.6 Circular cuts Use auxiliary equipment as depicted in the figure. Accessories Order no.: 01.1.300 Fig. 7-13: Circular cuts 7.7.7 Diagonal cross-cut of rectangular workpieces...
Bandsaw N3700 e-classic / N3800 / N4400 Service 8 Service 8.1 Safety instructions Warning! Risk of injury! Improper adjustment and setup work can lead to serious physical injury or material damage. For this reason, this work may only be carried out by authorised, trained personnel who are familiar with how to operate the machine and in strict observance of all safety instructions.
Bandsaw N3700 e-classic / N3800 / N4400 Service 8.3 Replacing the rubber wearing surface of wheels Its highly recommended that this work is only carried out by a specialist or the manufacturer. Removing the saw blade See chapter entitled: Saw blade replacement/tension 1.
Bandsaw N3700 e-classic / N3800 / N4400 Faults 9 Faults 9.1 Safety instructions Warning! Risk of injury! Repairing faults incorrectly can result in personal injury or damage to the ma- chine. For this reason, this work may only be carried out by authorised, trained personnel who are famil- iar with how to operate the machine and in strict observance of all safety instructions.
Bandsaw N3700 e-classic / N3800 / N4400 Faults 9.4 Faults, causes and repairs Fault Cause and problem elimination Machine does not start Safety break switches are breaking the electric circuit Ensure that the side doors are closed properly Emergency stop switch engaged Unlock the emergency stop switch...
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