GÜDE MBS 115 E User manual

Operating Manual
Güde GmbH & Co. KG
Birkichstrasse 6
74549 Wolpertshausen
www.guede.com
Hack band- saw MBS 115 E
Ordering No. 40536
Read this operating manual carefully before
use

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List of Contents
Description Page
Properties 2
General safety information 2
Technical data 3
Motor assembly 3
Band saw assembly 3
Band speed 3
Saw band replacement 4
Saw upper wheel alignment 4
Guide bearings set-up k 4
Saw band tension set-up 4
Operator instructions 5
Hints for cutting 5
Selection of saw band 5
Putting the saw in operation 5
Maintenance 5
Troubles, causes, troubleshooting 6
Technical drawing 8
List of spares 9
Wiring diagram 9
Declaration of Conformity 10
Properties
1. Band saw was developed especially for vertical and horizontal use.
2. There are 3 speeds on the machine to cut metal, plastic or wood.
3. The unit will turn off automatically when the material is cut through.
4. Division in grades is provided on the unit to facilitated angular cutting.
5. The machine run is very silent.
6. The machine is easy to transfer owing to the wheels.
General Safety Information
1. This unit has a three-conductor cable with an earth and should be connected to the earthed sockets
only. Connection without a ground conductor is not permitted as lives of operators may be
threatened.
2. Damaged or worn cables and other defective parts should be replaced immediately.
3. Be careful to have any protection devices fitted on.
4. Remove any tools after adjustment before switching the unit on.
5. Keep your workplace tidy, untidy workplace and worktables may result in accidents.
6. Never use the electric tools in moist and wet surroundings.
7. Wear protective goggles. Wear a dustproof respirator at works generating dust.
8. Take a good care of your machine. The saw should always be clean and the saw band sharp for
you to attain the best possible results and your work to be as safe as possible.
9. Unplug before any maintenance and replacement of tools.
10. Use the proper machine. Do not expect the machine to do a job it has not been built for.
11. Before plugging the machine in, make sure that the switch is in OFF position.
12. Keep children and unauthorised persons at a sufficient distance from your workplace.
13. The value of lighting of the workplace should be 300 LUX as a minimum
14. Never stand on the machine and never lean over it either
15. Pay a special attention to vertical cuts. Keep your hands off the saw band!

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Technical Data
Supply connection: 230 V/ 50 Hz
Motor output: 375 W
Cutting power : 100 x 150 mm
Cutting power: 115 mm
Saw band: 12,7 x 0,64 x 1638 mm
Speed: 20, 28, 50 rpm
Weight: ca 68 kg
Assembly
1. Attach the motor to the backplate using 4 screws
See the figure. The motor shaft should be in parallel With
the driving shaft.
2. Fit in the V-belt cover with the round hole being above the drive shaft and the oval one above the
motor shaft. .
3. Connect the micro-switch cable to the motor cable.
Caution: The microswitch prevents the motor from running if the V-belt cover is opened. „If the
motor connection is not right or the V-belt cover is opened, the motor does not get live!
4. Fit in the motor pulley with the largest diameter being directly by the motor. .
5. Fit in the driving pulley with the smallest diameter being directly by the bearing. Tighten up the
socket screw.
6. Grooves of either pulley should run in parallel.
7. Fit in the V-belt in such a combination of the pulleys that would give the required speed .
8. Pull the motor with hand until the V-belt reaches the correct tension and then tighten up the
adjusting screw with right hand so that the backplate is held in the position. Caution: clamping
plate below the plate.
9. Fit in the switch according the figure below :
Acoustic output level:
idling: 65 dB
cutting: 70 dB
(top-down)
V-belt cover
Motor mounting screws
V-belt tension set-up screw
(top-down)
V-belt cover
Drive shaft hole microswitch
Motor cable motor shaft hole
(top-down
small V-belt pulley Mon the motor Pin to attach the V-belt pulley
V-belt
Large V-belt pulley on the gearbox

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Band Saw Assembly and Installation
1. The saw may be attached to the worktable or a stand with 6 screws. .
2. The backplate rear end should be mounted on the end of the worktable or the stand so that band
saw can be tilted in the vertical position.
Saw Band Speed
Using the band saw, you should always select the speed most appropriate to the given material. A small
overview of adjusting various materials will give you the list of materials and cutting thereof.
List of Materials and Cutting Thereof
Pulley to be used
Material Speed Motor Saw
Tool steel
Stainless
Bearing bronze 20 m/min. Small Large
Regular steel
Hard brass
Bronze 29 m/min. Medium-sized Medium-sized
Soft brass
Aluminium
Other light-weight
materials
50 m/min. Large Small
Saw Band Replacement
Tilt the saw head into the vertical position, open the band cover and loosen the band clamping screw so
that the band may be removed from the wheels.
Fit in the new band as follows:
1. Put the saw band between the guide bearings.
2. Take the band with your left hand over the drive wheel (down) and hold it in the position.
3. Pull the band up with your right hand to get it closer to the drive wheel.
4. Pull with your left hand further at the saw band upper end
5. Set up the band adjusting screw with your right hand so that it is possible to shift it over the upper
wheel with your left hand.
6. Set up the band tension so that it cannot skid. The tension should not be excessive.
7. Put a couple of oil drops on the band.
8. Close the band cover.
Saw Upper Wheel Alignment
1. Remove the band cover.
2. Loosen the band clamping screw a bit so that the band is not tense at full.
3. Screw the socket screw on the clamping block for the upper wheel to be at precise parallel with the
drive wheel and the band is straight.
4. Put the band in correct tension.
5. Check on the band run so that you will switch the machine on .If the band is skidding forward, the
adjustment should be repeated until the band rear side is in contact with the upper wheel edge.
6. Switch the machine off again.
7. Remount the saw band cover.
Guide Bearings Set-up
Caution: This is essential adjustment on the saw. . Reasonable result cannot be attained at work, if ht
guide bearing are not set up correctly. Clearance should not be above 0,1 mm or the saw band can be
in contact with the bearing. To set up in this way, the procedure should be as follows:
1. Each bearing should be fitted on an eccentric case and may be adjusted.

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2. Loosen the nut and while doing so, fix the pin with a forked socket.
3. The eccentric position will give the required clearance (with correct set-up, the saw band will be
precisely vertical at cutting).
4. Retighten the nut to block the eccentric position.
5. The other guide should be set up in the same way.
Band Tension Set-up
1. Make sure that the motor is off.
2. Check on the band tension with your left hand. see Fig. 2)
3. Turn the tension knob with your right hand until the tension id correct.
,
Operating Instructions
1. Tilt the saw head in the vertical position.
2. Automatic switch set up so that the saw switches off automatically when the material is cut through
3. Set the cut material stop at a required length.
4. Open the vice by hand wheel so that the material to be cut may be clasped in it. If the piece is too
long, it should be supported at the end.
5. Close the vice with the hand wheel.
6. Select the appropriate speed and switch the machine on.
7. Return the saw head slowly until it reaches the piece to be cut. Too big pressure could make the
band crack. .
8. Turn the adjusting lever until the correct thrust is obtained.
Hints for Cutting
1. The harder the material is, the slower the cutting speed should be.
2. Cooling oil is recommended at higher speed of the saw band.
3. To increase the cutting pressure, turn the adjusting lever (at the left of the backplate) anticlockwise
if you want to reduce the pressure, turn it clockwise. Turn by one turn as a maximum for one
adjustment.
Saw Band Selection
1. The band saw has a universal saw band.
2. Selection of the gap between the teeth is subject to the thickness of material to be cut
3. The lighter is the weight of material, the more teeth should be on the band.
4. If the gap between the teeth is too large both the material and the band may get damaged.
Putting the Saw in Operation
1. Never switch the saw on with the saw band cover being fitted on.
2. Make sure that the band does not touch the material to be cut when the motor is switched on.
3. Start the motor and wait for the saw to reach the full speed.
4. Never let the saw head fall down and never push on it. The set up thrust will be only reached by
slow lowering on the material to be cut.
5. Correct adjustment of the thrust is very important. Too much thrust can make the band broken or
the saw may get stuck. Too little thrust the band will get blunt fast.
6. Never use a new band to finish a cut already started.
7. Never start cutting on the sharp edge.
Maintenance

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-Clean the machine after every work and lubricate with oil to prevent corrosion.
-Use oil SAE-30 to lubricate the saw parts.
-Lubricate the vice parts occasionally.
-It is not necessary to lubricate drive wheels more frequently than annually except for cases of
overloading the saw.
Troubles, Causes, Troubleshooting
Trouble Cause Troubleshooting
Saw band has broken
1. Material to be cut is loosen in
the vice
2. Wrong speed or wrong thrust
3. Too big gap between teeth
on the saw band
4. Work too coarse
5. Unfitting tension of the saw
band
6. The saw band bears on the
piece to be cut before the
motor is witched on
7. The band catches on the
drive or guide wheel rear
edge.
8. Poorly set up saw guide.
9. Too thick saw band
10. Weld crack
1. Tighten up the vice. h
2. Adjust the speed or thrust.
3. Replace the saw band with one
of smaller gap between the teeth
4. Set up the tension of the saw
band so that it will not slip on the
drive wheel when the motor is
switched on and runs at full
speed.
5. Set up the drive wheel so that it
is in parallel with drive wheel. h
6. Set up the saw guide.
7. Use a thinner saw band
8. Have it welded up at a specialist
The band gets blunt
quickly
1. Too coarse saw band
2. Too high speed
3. Inappropriate thrust
4. Hard elements in the material
5. Material too hard
6. The saw band scrolls up
7. Band tension insufficient
8. Band slipping
1. Use finer teething
2. decelerate
3. Reduce the tension of the spring
on the side of the tool. The thrust
will increase
4. Reduce the speed and increase
the thrust
5. Increase the thrust by decreasing
the spring tension
6. Replace the band with a new one
and set up the band tension
7. Increase the tension of the band
using the adjusting knob
8. Increase the tension of the band
using the adjusting knob
and slow down
Unusual wear on the saw
band rear side or from the
side
1. The saw band guide is not all
right any longer
2. The saw band guide bearing
is not set up correctly
3. Loose holding square or the
saw guide
1. Replace
2. Set up precisely m
3. Tighten up
Teeth of the saw band get
broken
1. Too coarse teething for the
given job
2. Too much thrust , too low
speed
3. The material to be cut is
vibrating
1. Use finer teething
2. Reduce thrust, accelerate
3. Tighten the material to be cut
4. Use coarser teething to remove
the sawdust with a brush

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4. The wood slipped by cutting
Motor gets excessively
hot
1. Excessive thrust of the saw
band
2. Excessive tension of V-belt
3. Teething too coarse
4. Teething too fine
5. The guide wheel is no set up
correctly
6. Wheels need oil
7. Excessive stress
1. Reduce the saw band tension
2. Reduce the V-belt tension
3. Use finer teething
4. Use coarser teething
5. Adjust
6. Lubricate
7. Reduce the thrust and speed
Wrong cut (inclined)
1. Excessive thrust
2. Guide bearings not set up
correctly
3. Wrong tension of the saw
band
4. Saw band blunt
5. Poor speed
6. Too much clearance of the
saw guide
7. Loosened guide square
8. The band does not pass
round the guide wheel
correctly
1. Reduce the thrust by increasing
the spring tension
2. Adjust the guide bearings. The
clearance not above 0.1 mm
3. Increase the saw band tension
with adjusting knob
4. Replace the band
5. Adjust the speed
6. Adjust the saw guide y
7. Tighten up
8. Adjust
Wrong cut (coarse) 1. Excessive thrust or speed
2. Teething too coarse
3. Saw band tension too loose
1. Reduce thrust/decelerate
2. Use finer teething
3. tighten up
Saw band gets skidding 1. Too much strain n 2. The band tension too high 4. Reduce thrust/decelerate
1. Reduce the band tension

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Technical Drawing

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List of Spare Parts
Spare Part No. Spare Part No.
Ordering
No. Versi on Figur eDescription Orderin g No. Versi on Figur eDescription
40536 01 001 Pentagon screw 40536 01 041 Clamp plate
40536 01 002 Pentagon nut 40536 01 042 Insulation plate
40536 01 003 Washer 40536 01 043 Rubber ring
40536 01 004 Right hand stand 40536 01 044 Electrical cable
40536 01 005 Wheel axis 40536 01 045 Guide square
40536 01 006 Cotter 40536 01 046 Adjusting screw
40536 01 007 Axis support 40536 01 047 Spring
40536 01 008 Ball bearing 40536 01 048 Screw
40536 01 009 Wheel 40536 01 049 Swivelling jaw
40536 01 010 Wheel bearing cover 40536 01 050 Hexagon screw
40536 01 011 Hexagonal screw 40536 01 051 Washer
40536 01 012 Hexagonal nut 40536 01 052 Hexagon screw
40536 01 013 Left-hand stand 40536 01 053 Hexagon screw
40536 01 014 Handle 40536 01 054 Swing bearing
40536 01 015 Adjusting lever 40536 01 055 Worked piece support
40536 01 016 Supply cable 40536 01 056 Support
40536 01 017 Swivelling shaft 40536 01 057 Adjustable support
40536 01 018 Angular stop 40536 01 058 Grooved screw
40536 01 019 Piece to be worked stop 40536 01 059 Band cover
40536 01 020 Socket screw 40536 01 060 Safety ring
40536 01 021 Stop shaft 40536 01 061 Bearing
40536 01 022 Pull relief 40536 01 062 Guide bearing
40536 01 023 Switch 40536 01 063 pin
40536 01 024 Hexagonal switch 40536 01 064 Guide square
40536 01 025 Washer 40536 01 065 Adjustable support
40536 01 026 Switch plate 40536 01 066 Fixing screw
40536 01 027 Clamping device wheel handle 40536 01 067 Spacing ring
40536 01 028 Clamping device wheel 40536 01 068 screw
40536 01 029 Socket screw 40536 01 069 Band guide
40536 01 030 Self-locking bolt 40536 01 070 Hexagon nut
40536 01 031 Safety washer 40536 01 071 Drive wheel
40536 01 032 Spindle nut 40536 01 072 Bearing cover
40536 01 033 Spindle nut 40536 01 073 wedge
40536 01 034 Sliding jaw 40536 01 074 Socket screw
40536 01 035 Washer 40536 01 075 Hexagon screw
40536 01 036 Hexagon screw 40536 01 076 Switching stop
40536 01 037 Backplate 40536 01 077 Guide wheel
40536 01 039 Angular scale 40536 01 078 Oil drop
40536 01 040 Cable connector 40536 01 079 Band width knob

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Spare Part No. Spare Part No.
Ordering
No. Versi on Figur eDescription Orderin g No. Versi on Figur eDescription
40536 01 080 Spring 40536 01 097 Worm shaft
40536 01 081 case 40536 01 098 Grooved-head screw
40536 01 082 Hexagon screw 40536 01 099 washer
40536 01 083 Hexagon screw 40536 01 100 screw
40536 01 084 backplate 40536 01 101 pulley
40536 01 085 Motor 40536 01 102 Socket crew
40536 01 086 Motor pulley 40536 01 103 Clamping block
40536 01 087 Ball bearing 40536 01 104 Hexagon screw
40536 01 088 Bearing case 40536 01 105 Spring bolt
40536 01 089 sealing 40536 01 106 Clamping bolt holder
40536 01 090 Gear axis 40536 01 107 Drive wheel shaft
40536 01 091 Tooth wheel 40536 01 108 Safety ring
40536 01 092 Gear sealing 40536 01 109 Guide square
40536 01 093 Gear cover 40536 01 110 V-belt cover
40536 01 094 worm 40536 01 111 V belt cover
40536 01 095 Spring bolt 40536 01 112 v-belt
40536 01 096 Bearing case 40536 01 113 Saw band
Wiring Diagram