KS 250 - Saw Alpha Tools - Free user manual and instructions

USER MANUAL KS 250 Alpha Tools

GBPlease pull out pages 2-5

Labeled diagram of a mechanical device with numbered parts for identification

3

2 ① ③ ④ ⑦ ② ⑪ ⑯ ⑯ ⑫ ⑫ ⑭ ⑫

3 2 ② ②

4 ① ② ⑯

Close-up of a mechanical device with a circular component and a curved base, no visible text or symbols

6 ② ⑩ ⑧ ⑰ ⑰ ⑰ ⑦ ⑨

7 ② ④ ⑧

4

12 3 5 ③ ⑤ 8

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1. Release button
2. Handle
3. On/Off switch
4. Machine head
5. Saw blade
6. Saw blade guard, hinged
7. Stop rail
8. Rotary table
9. Base plate, fixed
10. Locking handle
11. Latch
12. Locking nut
13. Workpiece support
14. Sawdust bag
15. Angle scale
16. Retaining pin
17. Scale (rotary table)
18. Elbow

2. Items supplied

●Circular cross-cut and mitre box saw
●Carbide-tipped saw blade
●Face wrench (30), hex wrench (31) and socket wrench (32)
●Clamping device (34)

3. Proper use

The KS 250 circular cross-cut and mitre box saw is designed for the cross-cutting of timber and plastic commensurate with the machine's size.

The machine is not to be used for cutting fire wood. The machine is to be used only for its prescribed purpose.

Any use other than that mentioned is considered to be a case of misuse. The user/operator and not the manufacturer shall be liable for any damage or injury resulting from such cases of misuse.

The machine is to be operated only with suitable saw blades. It is prohibited to use any type of cutting-off wheel.

To use the machine properly you must also observe the safety regulations, the assembly instructions and the operating instructions to be found in this manual. All persons who use and service the machine have to be acquainted with this manual and must be informed about its potential hazards.

It is also imperative to observe the accident prevention regulations in force in your area.

The same applies for the general rules of occupational health and safety.

The manufacturer shall not be liable for any changes

made to the machine nor for any damage resulting from such changes.

Even when the machine is used as prescribed it is still impossible to eliminate certain residual risk factors. The following risks may arise due to the machine's design and setup:
- Contact with the saw blade in the uncovered saw zone.
●Reaching into the running saw blade (cut injuries).
●Kick-back of workpieces and parts of workpieces.
●Saw blade fracturing.
●Catapulting of faulty carbide tips from the saw blade.
●Damage to hearing if essential ear-muffs are not worn.
●Harmful emissions of wood dust when the machine is used in closed rooms.

4. Important notes

Please read this manual carefully and pay attention to the information provided. Use this manual to familiarize yourself with the machine, its correct use and safety regulations.

Safety regulations

●Always pull the plug out of the power socket before adjusting or servicing the machine.
●Give these safety regulations to all persons who work on the machine.
●Do not use this saw to cut fire wood.
●Caution! Hands and fingers may be injured on the rotating saw blade.
●Before you use the machine for the first time, check that the voltage marked on the rating plate is the same as your mains voltage.
- If you need to use an extension cable, make sure its conductor cross-section is big enough for the saw's power consumption. Minimum cross-section: 1.5 ~mm^2 .
- If you use a cable reel, the complete cable has to be pulled off the reel.
●Never carry the saw by its cable.
- Do not leave the saw in the rain and never use it in damp or wet conditions.
●Provide good lighting.
●Never saw near combustible liquids or gases.
●Wear suitable work clothes! Loose garments or jewellery may become caught up in the rotating saw blade.

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●Operators have to be at least 18 years of age. Trainees of at least 16 years of age are allowed to use the machine under supervision.
- Keep children away from the machine when it is connected to the power supply.
- Check the power cable (9). Never use a faulty or damaged power cable.
- Keep your workplace clean of wood scrap and any unnecessary objects.
●Persons working on the machine should not be distracted.
●Note the direction of rotation of the motor and saw blade.
●After you have switched off the motor, never slow down the saw blade by applying pressure to its side.
●Fit only blades which are well sharpened and have no cracks or deformations.
●The machine is to be operated only with tools which conform with prEN 847-1: 1996.
●Faulty saw blades have to be replaced immediately.
●Never use saw blades which do not comply with the data specified in this manual.
●Make sure that the arrow on the saw blade complies with the arrow marked on the machine.
●Make certain that the saw blade does not touch the rotary table in any setting. To do so, pull out the power plug and tilt the saw blade by hand into the 45° position and the 90° position. If necessary, re-adjust the saw head as described in Section C/F.
- It is imperative to make sure that all the devices used to cover the saw blade are in good working order.
●Never wedge the hinged guard hood in open position.
- Never dismantle the machine's safety devices or put them out of operation.
● Damaged or faulty safety devices have to be replaced immediately.
●Never cut workpieces which are too small to hold securely in your hand.
- Do not place your hands in awkward positions where one or both may slip suddenly and touch the saw blade.
- When working with long workpieces, use an additional support (table, stand, etc.) to prevent the machine from tipping over.
●Always clamp round workpieces such as dowel rods etc. with suitable devices.
●There must be no nails or other foreign bodies in that part of the workpiece you want to cut.
●Always stand to the side of the saw blade when working with the saw.
●Never load the machine so much that it cuts out.

●Always press the workpiece firmly against the table and the stop rail to prevent it from wobbling or twisting.
●Make sure that off-cuts can be removed from the side of the saw blade. If not, they may catch on the saw blade crown and be catapulted into the surrounding area.
- Never saw several workpieces simultaneously. - Never remove loose splinters, chips or jammed pieces of wood when the saw blade is running.
●To rectify faults or remove jammed pieces of wood, always switch off the machine first. - Pull out the power plug!
●Conversions, adjustments, measurements and cleaning jobs are to be performed only when the motor is switched off. - Pull out the power plug!
●Before you switch on the machine, check that all wrenches and adjustment tools have been removed.
- When you leave your workplace, switch off the motor and pull out the power plug.
●Electric installation work, repairs and maintenance are to be carried out only by specialists.
●All guards and safety devices have to be refitted immediately after completion of any repairs or maintenance.
- It is imperative to observe the manufacturer's safety, operating and maintenance instructions as well as the dimensions quoted in the technical data.
- It is imperative to observe the accident prevention regulations in force in your area as well as all other generally recognized rules of safety.
●Note the information published by your professional associations.(VBG7j)
●Switch on the dust extraction system each time you use the machine.
●The machine may be used in closed rooms only in conjunction with a suitable vacuum extraction system.
●The circular cross-cut must be connected to a 230 V socket-outlet with a minimum 10 A fuse.
●Never use light-duty machines for heavy-duty work.
●Never use the cable for any purpose other than that for which it is intended!
●Adopt a firm standing position and keep your balance at all times.
●Check the tool for signs of damage!
●Before you carry on using the tool it is imperative to check that its safety devices and any slightly damaged parts are working properly and in the way intended.
- Check that the moving parts work properly and do not jam or whether any of the parts are

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damaged. All parts must be fitted correctly and satisfy all conditions for the tool to work properly

●Unless otherwise stated in these instructions, damaged safety devices and parts must be repaired or replaced by experts in an approved specialist workshop.
●Have damaged switches replaced by a customer service workshop.
●This tool complies with the pertinent safety regulations. Repairs are to be carried out only by qualified electricians using original replacement parts. The user may suffer an accident if this condition is not observed.
●Be careful when making vertical cuts.
●Take special care when making double miter cuts.
●Do not overload the tool!
●Wear safety goggles.
●Use a breathing mask on dusty jobs.
- Check the tool's power cable / extension cable for damage.

Wear goggles

Wear ear-muffs

Wear a breathing mask

is a correlation between emission and immission levels it is impossible to draw any certain conclusions as to the need for additional precautions. Factors with a potential influence on the actual immission level at the workplace include the duration of impact, the type of room, and other sources of noise etc., e.g. the number of machines and other neighbouring operations. Reliable workplace values may also vary from country to country. With this information the user should at least be able to make a better assessment of the dangers and risks involved."

5. Technical data

Asynchronous motor 230 V 50 Hz

Input power P_1	1400 W
Operating mode S1
Idle speed n0 4500 rpm
Carbide saw blade ø250 x ø16 x 3,2 mm
Number of teeth 36
Standing area 445 x 330
Tilting range -47° / 0° / +47°
Mitre cuts 0° to 45° to the left
Saw bed support 450 x 160 mm
Sawing width at 90°	135 x 70 mm
Sawing width at 45°	100 x 70 mm
Sawing width at 2 x 45°(double mitre cuts)	100 x 70 mm

Noise emission values

●The saw's noise is measured in accordance with DIN EN ISO 3744; 11/95, E Din EN 31201; 6/93, ISO 7960 Annex A; 2/95. The machine may exceed 85 dB(A) at the workplace. In this case, noise protection measures need to be introduced for the user (ear-muffs).

Cutting Idling

Sound pressure level LPA 100,4 dB(A) 91,7 dB(A)

Sound power level LWA 111,4 dB(A) 102,7 dB(A)

„The quoted values are emission values and not necessarily reliable workplace values. Although there

6. Before putting the machine into operation

●The machine has to be set up in a stable position, i.e. it has to be bolted to a workbench, a universal stand or the like.
●All the covers and safety devices have to be properly fitted before the machine is switched on.
- It must be possible for the saw blade to run freely.
- When working with wood that has been processed before, watch out for foreign bodies such as nails or screws etc.
●Before you actuate the On/Off switch, make sure that the saw blade is correctly fitted and that the machine's moving parts run smoothly.
●Before you connect the machine to the power

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supply, make sure the data on the rating plate is the same as that for your mains.

7. Assembly

Assembling the saw: (Fig. 1/3)

●Screw the locking handle (10) in the elbow (18).
●Push the workpiece support (13) in the mount (21) and secure with the grub screw (22). The workpiece supports can be adjusted to suit the length of the workpiece.
● Plug the clamping device (19) in one of the two holes (20) on the left and right of the base plate (9).

A.) Adjusting the saw (Fig. 1/2)

●To adjust the rotary table (8), slacken the locking handle (10) by approx. 2 turns and press the latch (11) in order to unlock the rotary table (8).
●The rotary table (8) has latching positions at 0°, 15°, 22.5°, 30° and 45°. Once the latch (11) is engaged you must also tighten the locking handle (10) in order to fix the table in position.
- If you need to work with any other angles, the rotary table is fixed in position with just the locking handle (10).
●While pressing down lightly on the machine head (4), pull the lock pin (16) out of the motor holder to disengage the saw from its bottom working position.
●Swing up the machine head until the retaining hook latches home.
●The machine head (4) can be tilted a max. 45^ to the left by undoing the clamping screw (13) with the hex wrench (25) or knob (20).
- Check that the voltage marked on the rating plate is the same as your mains voltage and connect up the machine.

B.) 90° cross-cuts and 0° rotary table (Fig. 1)

• Press the main switch (3) to turn on the saw.
• Important! Place the material you want to saw flat on the machine surface and secure with the clamping device (34) so that the material cannot move while you are cutting.
  ●After switching on the saw, wait for the blade (5) to reach its maximum speed.
  ●Turn the release button (1) clockwise and, holding the handle (2), lower the machine head smoothly down through the workpiece applying slight pressure.
• When the cut is completed, return the machine to its top parking position and let go of the On/Off switch. Caution! A return spring causes the machine head to rise automatically at the end of the cut.

Do not let go of the handle (2) as soon as the cut is completed but steady the machine head and allow it to rise slowly.

C.) Precision adjustment of the stop for 90° cross-cuts (Fig. 4/5)

●Lower the machine head (4) and fix with the lock pin (16).
- Slacken the locking nut (12). - Place the stop angle (A) between the saw blade (5) and the rotary table (8).
- Slacken the counter nut (17) and adjust the setting screw (12) until the angle between the saw blade (5) and the rotary table (8) equals 90°.
●Re-tighten the counter nut (17) to fix the machine in this setting.

D.) 90° cross-cuts and 0°-47° rotary table (Fig.6)

The KS 250 can be used to make angled cuts of 0^ -
47" relative to the stop rail on the left and right side.
●Release the rotary table (8) by slackening the locking handle (10) and pressing the latch (11).
●Turn the rotary table (8) by its handle (2) to the angle you want, i.e. the mark (a) on the rotary table has to comply with the required angle dimension (17) on the base plate (9).
●Re-tighten the locking handle (10) in order to fix the rotary table (8) in position.
●Make the cut as described in Section B.).

E.) Mitre cuts 0^-47^ and rotary table 0^ (Fig. 4/7)

The KS 250 can be used to make mitre cuts of 0^ .
45" relative to the machine bed on the left side.
- Lift the machine head (4) to its top position. - Fix the rotary table (8) in 0° position.
●Undo the locking nut (12) and, holding the handle (2), tilt the machine head (4) to the left until the pointer (a) coincides with the required angle dimension (b).
●Re-tighten the locking nut (12) and make the cut as described in Section B.).

F.) Precision adjustment of the stop for 45° mitre cuts (Fig. 8/9)

●Lower the machine head (4) and fix with the lock pin (16).
●Fix the rotary table (6) in 0° position.
●Undo the locking nut (12) and, holding the handle (2), tilt the machine head (4) to the left by 47^
- Place the 47^ stop angle (A) between the saw blade (5) and the rotary table (8).
●Slacken the counter nut (25) and adjust the setting screw (26) until the angle between the

saw (5) and the rotary table (8) equals exactly 45^ .

devices are in good working order.

G.) Mitre cuts 0°-45° and rotary table 0°-47° (Fig. 10)

The KS 250 can be used to make mitre cuts on the left at an angle of 0^-45^ relative to the work top and 0^-45^ relative to the stop rail.
●Lift the machine head (4) to its top position.
●Undo the rotary table (8) by slackening the locking handle (10) and pressing the latch (11).
- Adjust the rotary table (8) by its handle (2) to the required angle (see also Section D).
●Re-tighten the locking handle (10) to fix the rotary table in position.
●Undo the clamping nut (12) and, holding the handle (2), tilt the machine head (4) to the left to the required angle dimension (see also Section E).
●Re-tighten the clamping nut (12).

H.) Chip extractor (Fig. 2)

The saw is equipped with a bag (14) to collect sawdust and chips. You can pull off the sawdust bag

(14) to the rear by pressing together the two clips (27). To empty the bag, undo the zip at the bottom.

I.) Replacing the saw blade (Fig. 10)

●Pull out the power plug.
●Swing up the machine head (4).
●Undo the cheese-head screw (29) and flip back the connecting part (35).
●Slacken the two recessed head screws (28) and take off the hinged saw blade guard (6).
●Unscrew the 4 recessed head screws (23) and take off the left saw blade cover (15).
- Use the supplied face wrench (30) to lock the outer flange (33) in place and use the socket wrench (31) to unscrew the hex screw (Important: left-hand thread. Unscrew clockwise!).
●Take the saw blade (5) off the inner flange and lift up and out.
- Mount the new saw blade in reverse order and fasten. Important! The cutting bevel of the teeth, i.e. the direction of rotation of the saw blade, has to conform with the direction of the arrow marked on the housing.
●Clean the saw blade flanges thoroughly before mounting the saw blade.
●Re-fit the hinged saw blade guard (6) in reverse order.
●Before using the saw again, check that the safety

8. Maintenance

- Keep the machine's air vents unclogged and clean at all times.

- Remove dust and dirt regularly from the machine. Cleaning is best done with compressed air or a raq.

●Re-lubricate all moving parts in regular intervals.

●Never use caustic agents to clean plastic parts.

9. Ordering replacement parts

Please quote the following data when ordering replacement parts:

●Type of machine
●Article number of the machine
●Identification number of the machine
●Replacement part number of the part required

F

1. Description de la machine (fig. 1)

Technical diagram of a mechanical assembly with numbered components for identification

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Exploded view diagram of a mechanical assembly with numbered components for identification

GB EC Declaration of Conformity

The undersigned declares in the name of the company that the product is in compliance with the following guidelines and standards.

Le sousssigné déclare au nom de l'entreprise la conformité du produit avec les directives et normes suivantes. De ondertekenaar verklaart in naam van de firma dat het product overeenstemt met de volgende richtlijnen en normen. El abajo firmante declara, en el nombre de la empresa, la conformidad del producto con las directrices y normas siguientes.

KGS-0628-25-4155050-E

© GARANTIEURKUNDE

The guarantee period begins on the sales date and is valid for 5 years. Responsibility is assumed for faulty construction or material or functional defects. Any necessary replacement parts an necessary repair work are free of charge. We do not assume responsibility for consequential damage.

Your customer service partner

E CERTIFICADO DE GARANTIA

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Info-Tel. [phone] • Telefax 0 99 51-26 10 und 52 50

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