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Jet MBS-827DGVI Operating Instructions Manual

Metal band saw

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GB - ENGLISH
Operating Instructions
Dear Customer,
Many thanks for the confidence you have shown in us with the purchase of your new JET-machine. This manual has been
prepared for the owner and operators of a JET MBS-823DGVI / MBS-827DGVI metal band saw to promote safety during
installation, operation and maintenance procedures. Please read and understand the information contained in these operating
instructions and the accompanying documents. To obtain maximum life and efficiency from your machine, and to use the
machine safely, read this manual thoroughly and follow instructions carefully.
...Table of Contents
1. Declaration of conformity
2. Warranty
3. Safety
4. Machine dimensions, Transport, Installation and
Dismantling
5. Functional parts of the machine
6. Wie man die Bandsäge korrekt verwendet
7. So stellen sie ihre Maschine richtig ein
8. Routine und Sonderwartungen
9. Technische Daten
10. Wahl des Sägebandes
11. Umweltschutz
12. Lieferbares Zubehör
13. Fehlersuche
1. Declaration of conformity
On our own responsibility we hereby declare that this
product complies with the regulations* listed on page 2.
Designed in consideration with the standards**.
2. Warranty
The Seller guarantees that the supplied product is free
from material defects and manufacturing faults. This
warranty does not cover any defects which are caused,
either directly or indirectly, by incorrect use,
carelessness, accidental damage, repair, inadequate
maintenance or cleaning and normal wear and tear.
Guarantee and/or warranty claims must be made within
twelve months from the date of purchase (date of
invoice). Any further claims shall be excluded.
This warranty includes all guarantee obligations of the
Seller and replaces all previous declarations and
agreements concerning warranties.
MBS-823DGVI / MBS-827DGVI
The warranty period is valid for eight hours of daily use. If
this is exceeded, the warranty period shall be reduced in
proportion to the excess use, but to no less than three
months.
Returning rejected goods requires the prior express consent
of the Seller and is at the Buyer's risk and expense.
Further warranty details can be found in the General Terms
and Conditions (GTC). The GTC can be viewed at
www.jettools.com
The Seller reserves the right to make changes to the product
and accessories at any time.
3. Safety
3.1 Authorized use
This machine is designed for sawing machinable metal and
plastic materials only.
Machining of other materials is not permitted and may be
carried out in specific cases only after consulting with the
manufacturer.
Never cut magnesium-high danger to fire!
The workpiece must allow to safely be loaded and clamped
for machining.
The proper use also includes compliance with the operating
and maintenance instructions given in this manual.
The machine must be operated only by persons familiar with
its operation and maintenance and who are familiar with its
hazards.
The required minimum age must be observed
The machine must only be used in a technically perfect
condition.
When working on the machine, all safety mechanisms and
covers must be mounted.
In addition to the safety requirements contained in these
operating instructions and your country's applicable
regulations, you should observe the generally recognized
technical rules concerning the operation of metalworking
machines.
or can be sent by post upon request.

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Summary of Contents for Jet MBS-827DGVI

  • Page 1 Dear Customer, Many thanks for the confidence you have shown in us with the purchase of your new JET-machine. This manual has been prepared for the owner and operators of a JET MBS-823DGVI / MBS-827DGVI metal band saw to promote safety during installation, operation and maintenance procedures.
  • Page 2 MBS-823DGVI / MBS-827DGVI Any other use exceeds authorization. Do not operate the electric tool near inflammable liquids or In the event of unauthorized use of the machine, the gases. manufacturer renounces all liability and the responsibility Observe the fire fighting and fire alert options, for example is transferred exclusively to the operator.
  • Page 3 MBS-823DGVI / MBS-827DGVI 4. Machine dimensions, Transport, Installation and MBS-827DGVI Dismantling 4.1 Machine dimensions MBS-823DGVI 4.2 Assembling the Saw and the Base - Join panels A, B, and C by inserting tenon into mortise as shown in circle diagram 1 and 2.
  • Page 4 MBS-823DGVI / MBS-827DGVI 4.5 Instructions for assembly of the loose parts and accessories Fit the components supplied: Detail 1 Mount bar-stop rod Detail 2 Mount and align the roll-supporting arm as per the counter-vise table. 4.6 Deactivation of machine - If the sawing machine is to be out of use for a long period, it...
  • Page 5 MBS-823DGVI / MBS-827DGVI MBS-823DGVI C1 Manual position MBS-827DGVI C2 Auto position 5.2 Controls Fork handle Spring knob Hydraulic Flow control valve Hydraulic regulation valve Trigger Switch Blade Tension gauge...
  • Page 6 MBS-823DGVI / MBS-827DGVI - Once in position, move the lever (2) to the right to lock it MBS-823DGVI / MBS-827DGVI into position. - Lock the track support (1) by turning handle clockwise. Clamping the Work Piece - Place work piece between the jaws.
  • Page 7 MBS-823DGVI / MBS-827DGVI MBS-823 DGVI The hydraulic cylinder is ideal for the cutting of thin or stainless steel section bars that determines a constant lowering and consequently a good efficiency of the blade throughout the work phase. By adjusting the flow control valve (A), this device can be accommodated to the different situations and applications.
  • Page 8 MBS-823DGVI / MBS-827DGVI C2 Auto position - If cutting pipe with thin walls, reduce the saw arm descent rate by adjusting the flow control valve (A). - Press the emergency push button (E) down to shut off all functions. To release the emergency push button rotate the mushroom shaped button (E) clock-wise.
  • Page 9 MBS-823DGVI / MBS-827DGVI Blade cutting direction 6. Advice on using your bandsaw - Do not use blades of a different size from those stated in the machine specifications. 6.1 Recommendations and advice for using the machine - If the blade gets stuck in the cut, release the running button...
  • Page 10 MBS-823DGVI / MBS-827DGVI - Tighten down the setscrews (D) to secure the micro switch (B) in place. 7.2 Adjusting the blade guide - Disconnect the machine from the power source. - Use a Hex. Wrench to loosen Hex. Socket screw (A) on the square lock plate.
  • Page 11 MBS-823DGVI / MBS-827DGVI - Tension the blade and make sure it perfectly fits inside B- A tilt in this direction will cause the blade to ride away from the seat of the flywheels. the flange. - Assemble the mobile blade-guide end, the flywheel D- Set screw guard, and fasten it with the relative knobs.
  • Page 12 MBS-823DGVI / MBS-827DGVI 8.2 Weekly maintenance 8.8 The gear box - Thorough cleaning of the machine to remove shavings, especially from the lubricant fluid tank. - Removal of pump from its housing, cleaning of the suction filter and suction zone.
  • Page 13 MBS-823DGVI / MBS-827DGVI 9. Technical characteristics 10. Choosing the saw band 9.1 Table of cutting capacity and technical details Choose a toothing that is appropriate to the workpiece being MBS-823DGVI processed. Ideally, at least 3 teeth should be in action at the same time.
  • Page 14 MBS-823DGVI / MBS-827DGVI When cutting thick material, a coarse Tooth Pitch “T” is Perfect: needed to accommodate the big chips. Loose curled chips If the chips are thin or powdered increase the feed pressure. If the chips are burned reduce the cutting speed and decrease the feed pressure.
  • Page 15 MBS-823DGVI / MBS-827DGVI COMBO TOOTH: 9º - 10º positive rake. This type of blade is the most suitable for the cutting of section bars and large and thick pipes as well as for the cutting of solid bars at maximum machine capacity.
  • Page 16 MBS-823DGVI / MBS-827DGVI 10.3 Workpiece materials and characteristics TYPES OF STEEL CHARACTERISTICS Hardne Hardness R=N/mm AISI- ROCKWE AF NOR BRINEL LL HB L HB Fe360 St37 ---- ---- 360÷480 Constructi Fe430 St44 ---- 430÷560 on Steel Fe510 St52 ---- 510÷660...
  • Page 17 MBS-823DGVI / MBS-827DGVI 11. Environmental protection Protect the environment. Your appliance contains valuable materials which can be recovered or recycled. Please leave it at a specialized institution. 12. Available accessories Refer to the JET-Pricelist for various saw blades.
  • Page 18: Troubleshooting

    MBS-823DGVI / MBS-827DGVI 13. Troubleshooting This chapter lists the probable faults and malfunctions that could occur while the machine is being used and suggests possible remedies for solving them. 13.1 Blade and cut diagnosis FAULT PROBABLE CAUSE REMEDY Tooth Breakage...
  • Page 19 MBS-823DGVI / MBS-827DGVI FAULT PROBABLE CAUSE REMEDY Wrong tooth pitch or shape Replace blade with a more suitable Tooth Breakage one. See "Material classification and blade selection" in the Blade Types section. Adjust blade guide pads. Insufficient lubricating, refrigerant, Check level of liquid in the tank.
  • Page 20 MBS-823DGVI / MBS-827DGVI FAULT PROBABLE CAUSE REMEDY Faulty welding of blade The welding of the blade is of utmost Sawblade breakage importance. The meeting surfaces must perfectly match and once they are welded they must have no inclusions or bubbles; the welded part must be perfectly smooth and even.
  • Page 21 MBS-823DGVI / MBS-827DGVI FAULT PROBABLE CAUSE REMEDY Steaked or etched blades Damaged or chipped blade guide Replace them. pads Adjust them (see Chapter "Machine Tight or slackened blade guide adjustments" in Blade guide section). bearings. Check fastenings of the blade guide...
  • Page 22 MBS-823DGVI / MBS-827DGVI FAULT PROBABLE CAUSE REMEDY Faulty cut Worn out flywheels The support and guide flange of the band are so worn out that they cannot ensure Flywheel housing full of chips the alignment of the blade, causing faulty cutting;...

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