Lescha CBL 450 - Saw

CBL 450 - Saw Lescha - Free user manual and instructions

Find the device manual for free CBL 450 Lescha in PDF.

📄 104 pages English EN 💬 AI Question 8 questions ⚙️ Specs
Notice Lescha CBL 450 - page 13
Technical Specifications Lescha CBL 450 electric saw, 450 W power, 450 mm cutting length, adjustable cutting speed.
Usage Designed for precise cutting of materials such as wood, plastic, and light metals.
Maintenance and Repair Regularly check the condition of the blade and clean it after each use. Replace the blade if it is worn.
Safety Use safety glasses and gloves. Do not exceed the recommended cutting limits.
General Information Lightweight for easy handling, 2-year warranty, compliant with current safety standards.

Frequently Asked Questions - CBL 450 Lescha

How to assemble the Lescha CBL 450 saw?
To assemble the Lescha CBL 450 saw, follow the provided instruction manual. Ensure all parts are present and attach the components in the indicated order.
What is the maximum cutting depth of the Lescha CBL 450 saw?
The maximum cutting depth of the Lescha CBL 450 saw is 45 mm.
How to change the blade of the Lescha CBL 450 saw?
To change the blade, unplug the saw, remove the protective cover, then use a wrench to unscrew the worn blade. Install the new blade following the indicated rotation direction.
What is the motor power of the Lescha CBL 450 saw?
The Lescha CBL 450 saw is equipped with a motor power of 1500 W.
How to maintain the Lescha CBL 450 saw?
To maintain your saw, regularly clean the blade and ventilation openings. Check moving parts and lubricate them if necessary. Store the saw in a dry place.
Is the Lescha CBL 450 saw suitable for cutting hard materials?
Yes, the Lescha CBL 450 saw can cut hard materials such as solid wood and certain plastics, but it is important to use the correct blade for each material type.
What to do if the saw does not start?
If the saw does not start, first check that the power outlet is working. Also ensure that the power cable is not damaged and that the safety switch is properly activated.
What is the warranty for the Lescha CBL 450 saw?
The Lescha CBL 450 saw is generally covered by a two-year warranty, but this may vary depending on the retailer. Check the warranty conditions provided with the product.

User questions about CBL 450 Lescha

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USER MANUAL CBL 450 Lescha

Original instructions

F

Notice originale

CZ

Do not operate machine before having read the operating instructions, understood all the notes and assembly the machine as described here. Keep the instructions in a safe place for future use.

Contents

Declaration of conformity 11

Extent of delivery 11

Characteristics noise values 11

Operating times 11

Symbols machine 11

Symbols operating instructions 12

Normal intended use 12

Residual risks 12

Safety working 12

Before the first start-up 13

Start-up 14

Working with the saw 15

Maintenance and cleaning 16

  • Changing the saw blade 16

Replacing the table insert 17

Transport 17

Storage 17

Guarantee 17

Possible faults 18

Technical data 18

Description of device / spare parts 19

EC Declaration of Conformity

No. (S-No.): 70987 → CBL450

70994 CBL450TP

according to EC directive 2006/42/EC

We,

Altrad Lescha GmbH

herewith declare under our sole responsibility that the product

Baukreissäge (construction circular saw) type CBL 450

Serial number: see last page

is conform with the above mentioned EC directives as well as with the provisions of the guidelines below:

2004/108/EC, 2000/14/EC and 2011/65/EU.

Following harmonized standards have been applied:

EN 1870-19

Conformity assessment procedure: 2000/14/EC - Appendix V

Measured level of the acoustic output LWA = 106.3dB(A)

Guaranteed level of the acoustic output LwA = 110dB(A)

EC type examination carried out by:

Duly authorised person for the compilation of technical documents:

Altrad Lescha GmbH-Josef-Drexler-StraBe 8-89331 Burgau-Germany

Burgau, 06.01.2015

Lescha CBL 450 - Baukreissäge (construction circular saw) type CBL 450 - 1

Extent of delivery

1 Construction circular saw
1 Parallel limit stop
1 Pushstick
Assembly accessories for saw blade change
- Operating manual

Check the machine for:

That it is complete

Check for possible transport damage

Report any damage or missing items to your dealer, supplier or the manufacturer immediately. Complaints made at a later date will not be acknowledged.

Characteristics noise values

EN ISO 3744:1995 / EN ISO 11202:1995/AC:1997 /

ISO 7960:1995 Appendix A, A.2 b)

Application of the machine as construction circular saw with standard saw blade.

Guaranteed sound power level LWA = 110dB(A)

Sound pressure level at the workplace No-load L_PA = 86,6 dB(A)

The factor of measurement uncertainty is K = 4 dB.

The values given are emission values and must therefore not simultaneously represent safe workplace values too. Although there is a relationship between emission and immersion levels, it can be reliably deduced whether additional precautionary measures are necessary or not. Factors, which can influence the immersion level currently existing at the workplace include the duration of the effects, the special type of the workroom, other noise sources, etc. e.g. the number of machines and other adjacent processes. The permissible workplace values can also vary from country to country. This information should however enable an improved assessment of the danger and risk to be carried out.

Operating times

Before initiating the device please observe the provisions pertaining to corresponding laws (regional provisions) for the noise control.

Symbols machine

Carefully read operator's manual and the safety instructions before starting the machine and observe the instructions when operating.Shut off engine and remove power cord before performing cleaning, maintenance or repair work.
Wear ear protection!
Electrical devices do not go into the domestic rubbish. Give devices, accessories and packaging to an eco-friendlyly recycling. According to the European Directive 2012/19/EU on electrical and electronic scrap, electrical devices that are no longer serviceable must be separately collected and brought to a facility for an environmentally compatible recycling.

Symbols operating instructions

ΔThreatened hazard or hazardous situation. Not observing this instruction can lead to injuries or cause damage to property.
iImportant information on proper handling. Not observing this instruction can lead to faults.
RUser information. This information helps you to use all the functions optimally.
Assembly, operation and servicing. Here you are explained exactly what to do.

Normal intended use

  • This construction circular saw is exclusively designed for lengthwise and cross cutting of solid wood and plate material such as chipboard, wood core plywood and MDF plates with square or rectangular cross section and a thickness of max. 150mm in the open outside of enclosed areas using carbide tipped circular saw blades acc. to EN 847-1. The saw blade diameter must be between 445 and 450mm .
  • Cross cuts may only be performed in conjunction with a mounted cross-cutting fence.
    Only materials that can be safely placed are allowed to be cut.
  • The use of saw blades made of HSS steel (high-alloy high speed steel) is not permitted since this steel is hard and brittle. Risk of injury through saw blade breakage and expulsion of saw blade pieces.
  • Normal intended use also includes the observance of the manufacturer's operating, maintenance and repair conditions, as well as strict adherence to the safety inspections listed in the instructions.
  • The relevant accident prevention regulations for the operation as well as the other generally acknowledged occupational medicine and safety rules must be complied with.
  • Any other use does not conform with the normal intended use of the circular saw bench. The manufacturer is not liable for any resulting damage; the user bears all risks!
  • Unauthorized modifications to the saw preclude any liability of the manufacturer for resulting damages of any kind.
  • The saw may only be equipped, used and serviced by persons who are familiar with it and have been instructed on the hazards. Repair works may only be carried out by us or by a customer service agent nominated by us.
    This machine must not be used in potential explosive atmospheres.
    Metallic parts (wires etc.) have unconditionally to be removed from the material to be cut.

Residual risks

Even if used properly, residual risks can exist even if the relevant safety regulations are complied with due to the design determined by the intended purpose.

Residual risks can be minimised if the "Safety instructions" and the "Normal intended use" as well as the whole of the operating instructions are observed.

Observing these instructions, and taking proper care, will reduce the risk of personal injury or damage to the equipment.

  • Danger of injury of fingers and hands by the tool (saw blade) or work piece. Therefore, wear gloves (e.g. when replacing the saw blade).
  • Risk of injury when removing chips while the saw blade still rotates. Only remove chips after the saw blade and the saw unit (motor) has come to a standstill.
    Injury by catapulted workpiece parts.
  • Throwback of the workpiece or workpiece parts.
  • Breaking or catapulting of saw blade.
  • Only operate the saw with complete and correctly attached safety equipment and do not alter anything on the machine that could impair the safety.
  • Emission of harmful wood dusts. Therefore, wear a dust mask.

  • Risk from electricity, by using non-standard electrical connections.

  • Touching live parts of opened electrical components.
  • Impairment of hearing when working on the machine for longer periods of time without ear protection.

In addition, in spite of all the precautionary measures taken, non-obvious residual risks can still exist.

Safe working

Woodworking machines can be dangerous if not used properly. If electrical tools are used, the fundamental safety precautions must be met to preclude the risks of fire, electric shock and injuries to persons.

Before starting this device, read and keep to the following advice. Also observe the preventive regulations of your professional association and the safety provisions applicable in the respective country, in order to protect yourself and others from possible injury.

Pass the safety instructions on to all persons who work with the machine.
1 Keep these safety instructions in a safe place.

  • Make yourself familiar with the equipment before using it, by reading and understanding the operating instructions.
  • Be attentive. Be careful what you do. Behave sensibly when working. Do not use the device when you are tired or under the influence of drugs, alcohol or medicaments. One moment of carelessness when using the device can result in serious injuries.
  • Avoid abnormal posture. Provide a safe standing position and keep at any time the balance. Do not lean forward.
  • Wear suitable work clothes:

  • do not wear loose-fitting clothes or jewellery; they can catch in moving parts.
    slip-proof shoes
    hairnet in case of long hair

  • Wear personal protective equipment:

  • ear protection (Sound intensity level at workplace can exceed 85 dB (A))

  • safety goggles
    gloves when you replacing the saw blade

  • ONLY OPERATE the circular saw on a

solid
level
slip-free
- vibration free surface

  • When the saw is connected to a chip exhaustor:
  • Required air flow rate: 1150m^3 /h

negative pressure on the suction nozzle 1160 Pa at an air velocity of 20 m/s.

  • Start the chip exhaustor before starting the machining.
  • Keep your workplace in an orderly condition! Untidiness can result in accidents.
    Take into consideration environmental influences:

Do not expose the saw to rain.

  • Do not use the saw in moist or wet ambience.
  • Provide for good illumination.
  • Do not use this saw near inflammable liquids or gases.

  • Never leave the saw unattended.

  • Adhere to national regulations that might specify an age limit for the user of the unit.
  • Keep other persons away.

The operator is responsible for other people within the working area.

Do not allow other persons, especially children, to touch the tool or the cable.

Keep them away from your working area.

Always stand to the side of the danger zone (saw blade) when working at the bench.
- Start cutting only when the saw blade has reached its required speed.

  • Do not overload the machine! You work better and safer in the given performance range.
  • The circular saw must only be operated with all the correctly mounted guards.
    The supplied splitting wedge must be used. Fig. 13 shows how the splitting wedge is inserted and reset.
  • Replace the bench insert if the sawing gap is worn.
  • Do not use any cracked saw blades or such that have changed their shape.
  • Use only well sharpened saw blades as edgeless saw blades increase not only the risk of backstrokes but also charge the motor.
  • Do not use saw blades made of high speed steel (HSS) since this steel is hard and brittle; use only tools according to EN 847-1.

The use of other tools and other accessories can signify a risk of injury for you.
Pay attention that the saw blade conforms to the dimensions specified under "Selection of saw blades" and is suitable for the work piece material.
- Only saw one work piece at a time. Never saw several work pieces at the same time or do not bundle several individual pieces together for cutting. There is danger that individual pieces may be caught by the saw blade in an uncontrolled manner.
- Ensure that cut off pieces are not caught up by the saw blade and projected away
- Do not use the saw for unsuitable purposes (see "Normal intended use").
- Remove all nails and metallic objects from the work piece before sawing.
- Pay attention that the work piece does not contain any cables, ropes, cords or the like.
- Only cut work pieces with dimensions that allow secure holding while sawing.
- Only wood up to a thickness of 15cm is allowed to be cut with this machine.
- When cross cutting round wood it is required to secure the work piece against turning using a pattern or holding device. Use a saw blade that is suited for cross cutting.
- Use a pushing stick when rip sawing narrow workpieces (space between saw blade and rip fence less than 120mm ).
Always keep sufficient distance to the saw blade. Maintain sufficient distance from driven components during operation.
- The saw blade runs after. Wait until the saw blade has come to a standstill before remove splinters, chips and waste.
- Do not slow the saw blade down by applying lateral pressure to it.
- Do not remove splinters, shavings and waste with your hands from the dangerous area of the saw blade.
- Remove cutting waste from the machine (as required) to prevent any safety impairment at the workplace. This also applies to sawdust. Keep the chip clearance free.
- Switch the machine off and remove the mains plug from the socket when - carrying out repair works

maintenance and cleaning
- removal of faults (this also includes the removal of jammed splinters)
- checks of connecting lines, whether these are knotted or damaged
- transporting the saw
- changing the saw blade
- leaving the saw (also for short-term interruption)

  • Maintain your saw with care:

  • Keep your tools sharp and clean in order to be able to work better and safer.

  • Follow the maintenance instructions and the instructions for tool exchange.
  • Keep handles dry and free of oil and grease.

  • Check the machine for possible damage:

Before further use of the machine the protection devices or slightly damaged parts must be checked carefully for their proper and intended function.
- Check whether the movable parts function perfectly and do not stick or whether the parts are damaged. All parts must be correctly installed and fulfil all conditions to ensure perfect operation of the saw.

Damaged guards and parts must be properly repaired or exchanged by a recognized, specialist workshop; insofar as nothing else is stated in the instructions for use.
Damaged or illegible safety labels should be replaced immediately.

  • Do not allow any tool key to be plugged in!
    Before switching on, check always that wrenches and adjusting tools are removed.
  • Store unused equipment in a dry, locked place out of the reach of children.

Electrical safety

  • Design of the connection cable according to IEC 60 245 (H 07 RN-F) with a core cross-section of at least

1.5 mm² for cable lengths up to 25 m
2.5 mm² for cable lengths over 25m

  • Long and thin connection lines result in a potential drop. The motor does not reach any longer its maximal power; the function of the device is reduced.
  • Plugs and coupler outlets on connection cables must be made of rubber, plasticised PVC or other thermoplastic material of same mechanical stability or be covered with this material.
  • Protect yourself against an electric shock. Avoid touching earthed parts with your body.
  • The connector of the connection cable must be splash-proof.

  • Wind off completely the cable when using a cable drum.

  • Do not use the cable for purposes for which it is not meant. Protect the cable against heat, oil and sharp edges. Do not use the cable to pull the plug from the socket.
  • Regularly check the saw cable and if damaged, have it renewed by a recognised skilled electrician.
  • When running the connection line observe that it does not interfere, is not squeezed, bended and the plug connection does not get wet.
  • Regularly check the extension cables and replace them if they are damaged.
  • Do not use any defective connection cables.
  • When working outdoors, only use extension cables especially approved and appropriately labelled for outdoor use.
  • Do not set up any provisional electrical connections.
  • Never bypass protective devices or deactivate them.
  • Only hook up the machine by means of a fault-current circuit breaker (30 mA).

Lescha CBL 450 - Electrical safety - 1

The electrical connection or repairs to electrical parts of the machine must be carried out by a certified electrician or one of our customer service points. Local regulations - especially regarding protective measures - must be observed.

Lescha CBL 450 - Electrical safety - 2

Repairs to other parts of the machine must be carried out by the manufacturer or one of his customer service points.

Lescha CBL 450 - Electrical safety - 3

Use only original spare parts. Accidents can arise for the user through the use of other spare parts. The manufacturer is not liable for any damage or injury resulting from such action.

Before the first start-up

Lescha CBL 450 - Before the first start-up - 1

To achieve flawless functioning of the machine, please follow the instructions listed:

  • Place the saw at a location which meets following conditions:

  • outdoor

  • secured against slipping
  • free of vibrations
  • even
  • free of tripping hazards
  • adequate light

  • Check the following prior to use:

Defective connecting lines (cracks, cuts, etc.).

Never use defective lines!

  • Proper working condition of the safety guard.
  • Correct splitting wedge setting (see also Fig. 13).
  • Perfect condition of the saw blade.
  • The push stick must be within easy reach.

  • Never use saw blades that are cracked or have become deformed.

  • Do not use saw blades made of high-speed steel.
  • Always stand to the side of the danger zone (saw blade) when working at the bench.

Start-up

Checking the safety devices

(before each starting):

  • Lift and lower the safety guard to check that it can be moved freely. In its rest position it must fully cover the saw blade and rest on the saw table. (See also "Possible faults").
  • Check the switch by turning it on and off.
    Do not use any device where the switch can not be switched on and off. Damaged switches must be repaired or replaced immediately by the customer service.
  • Brake

The saw blade must stand still within 10 seconds after it was switched off. The brake is defective if this time is exceeded. The saw must then be repaired by the manufacturer or a workshop appointed by the manufacturer.

  • Pushstick

Replace defective pushsticks by new ones.

Rotating direction of the saw blade

Lescha CBL 450 - Rotating direction of the saw blade - 1

Ensure that the rotational direction of the saw blade is the same as the rotational direction given on the guard (16).

Lescha CBL 450 - Rotating direction of the saw blade - 2

The rotating direction of three-phase motors can be changed by inserting a screwdriver in the connector collar provided for this purpose and turn left or right while exerting a light pressure to adjust the correct rotating direction.

Selection of saw blades

Lescha CBL 450 - Selection of saw blades - 1

Observe the splitting wedge thickness "S"; it is etched into the side of the splitting wedge.

The splitting wedge must not be thinner than the saw blade, and not thicker than the kerf width produced by the blade.

The rating plate specifies maximum and minimum saw blade diameters, as well as the hole diameter.

Do not use saw blades that are designed for a lower max. speed (see identification on the saw blade) than the motor speed (see the technical data).

Mains connection

Compare the voltage specified on the rating plate (on the side of the table board), e.g. 230V with the mains voltage. Connect the circular saw bench to a correctly earthed socket outlet.

  • Alternating-current motor: Schuko (earthed) socket, mains voltage 230V , with earth-leakage circuit breaker (FI switch 30mA ).
  • Three-phase motor: CEE socket, 3-pin + N + PE, mains voltage 380 V or 400 V, with earth-leakage circuit breaker (FI switch 30 mA).

Use connecting and extension cables in conformity with IEC 60245 (H 07 RN-F) with a conductor cross-section of at least:

  • 1.5 ~mm^2 for a cable length of up to 25 ~m .
  • 2.5 ~mm^2 for a cable length exceeding 25 ~m .

(i) Main fuse: 16 A inert

Power system impedance

In case of disadvantageous power system conditions short-term voltage reductions can occur during the event of switching on of the device which can influence other devices (e.g. jittering of a lamp).

No breakdowns are to be expected if the maximum, electrical mains supply impedances given in the table are met.

Power input \( {\mathrm{P}}_{1} \)Power system impedance \( {Z}_{\max }\left( \Omega \right) \)
\( {230}\mathrm{\;V} \sim 3,0\mathrm{{kW}}\;0,{07} \)
400 V 3~ 4,4 kW 0,05

On/Off switch

Switching on

Lescha CBL 450 - Switching on - 1

  • Open the switch cover.

  • Press the green button (I)

The device cuts off automatically in case of power failure. To restart, first push the red button (O) and then again the green button (I).

Switching off

Lescha CBL 450 - Switching off - 1

Press the red button (O) or the red button of the switch cover.

Single-phase variant (230 V)

Lescha CBL 450 - Switching off - 2

Three-phase variant (400 V)

Lescha CBL 450 - Three-phase variant (400 V) - 1

Lescha CBL 450 - Three-phase variant (400 V) - 2

LEDs

LEDs on

The motor is switched on - the saw blade rotates.

LEDs off

The motor is switched off - the saw blade stands still.

Only one LED is on:

1) One phase has failed: Have the supply line checked immediately by an electrician.
2) LED module (361642) defective: Have it replaced immediately by an electrician.

Working with the saw

Lescha CBL 450 - Working with the saw - 1

You may not start to operate the machine until you have read these operating instructions, observed all the instructions given and installed the machine as described!

Lescha CBL 450 - Working with the saw - 2

Before making adjustments to the saw settings (e.g. replacing the saw blade etc.)

switch off device
- wait for standstill of the saw blade.
- pull out power plug

Lescha CBL 450 - Working with the saw - 3

Also, note the following important points:

  • Place yourself outside of the area of danger.
  • Cut through the piece with uniform pressure.
  • Never remove loose splinters, chips and the like with the hands. Make sure that the saw blade stands still before removing such material.

Lescha CBL 450 - Working with the saw - 4

At any case pay attention to all safety instructions.

Working instructions

The parallel stop can be adjusted in arrow direction.

It is secured by cam levers.

To unclamp: Press the lever towards the saw.

To clamp: Pull toward the opposite direction.

Lescha CBL 450 - Working instructions - 1

Folding out the table extension

Fold up the table extension. Move the table extension in arrow direction and lower it. Make sure that the table extension is correctly hooked.

Lescha CBL 450 - Folding out the table extension - 1

Cutting solid wood lengthwise

Lescha CBL 450 - Cutting solid wood lengthwise - 1

Parallel stop as stop for cross cuts

Lescha CBL 450 - Parallel stop as stop for cross cuts - 1

Cutting wedges using the wedge cutting stop

Lescha CBL 450 - Cutting wedges using the wedge cutting stop - 1

Using the pushstick

Lescha CBL 450 - Using the pushstick - 1

Using the movable cross stop

Lescha CBL 450 - Using the movable cross stop - 1

Connecting a chip extractor

Lescha CBL 450 - Connecting a chip extractor - 1

Chip ejector slot closed (operation with chip extractor)

A chip extractor can be connected to the saw to extract the chips. (Diameter of extractor nozzle: 100 mm.) Close the sealing blade on the chip ejector slot and secure it using the machine knob.

Lescha CBL 450 - Chip ejector slot closed (operation with chip extractor) - 1
Chip ejector slot open (operation without chip extractor)

Handle for push block

The handle for the push block (35) is screwed to a matching board. It is used for safe guidance of relatively small workpieces.

The board should be 300 to 400mm long, 80 to 100mm wide and 15 to 20mm thick.

The push block handle must be replaced if damaged.

Lescha CBL 450 - Handle for push block - 1

Maintenance and cleaning

Lescha CBL 450 - Maintenance and cleaning - 1

Before each maintenance and cleaning work

Switch off device
Wait until the saw blade comes to a stop.
Pull out power plug

Maintenance and repair work other than those described in this chapter is only allowed to be carried out by service staff.

For maintaining and cleaning, removed security devices must unconditionally be mounted properly and proved again.

Use only original parts. Other parts can result in unexpected damages and injuries.

Cleaning

Observe the following to maintain the operability of the machine:

  • Do not wash down device with water.
  • Remove shavings and dust only with a brush or vacuum cleaner.
  • Regularly clean and oil all movable parts (e.g. fasteners of the guard). Fig. 10

Never use any grease!

Use for instance sewing machine oil, liquid hydraulic fluid or environmentally acceptable spray oil.

Lescha CBL 450 - Cleaning - 1

Take care that the saw blade remain free of rust and resin.
- Resin residues must be removed from the table board.

Resin residues can be removed with a commercial maintenance and care spray.

The saw blade is a wearing part and will become dull after prolonged or frequent use.

Renew the saw blade or have it sharpened.

Maintenance

Lescha CBL 450 - Maintenance - 1

Changing the saw blade

Lescha CBL 450 - Changing the saw blade - 1

Remove the mains plug before changing the saw blade.

Lescha CBL 450 - Changing the saw blade - 2

Danger of cutting! The saw blade is massive and it could be to slick. Wear gloves when replacing the saw blade.

  • Do not use any saw blades made of HSS steel.
  • Do not use any cracked saw blades or such that have changed their shape.
  • Saw blades the body of which is broken must be discarded (no repair allowed).
  • Only use well-sharpened saw blades.
  • Regrinding (sharpening) of saw blades is only allowed to be done by qualified personnel. In particular note the following: Make sure that the requirements for balancing of the tools according to EN 847-1:2005+A1:2007 6.2.3.2 are met.

Lescha CBL 450 - Changing the saw blade - 3

Danger of burning! The saw blade is still hot shortly after cutting.

  1. Loosen the screws of the table insert (6).
  2. Lift the safety guard (16).
  3. Lift the table insert (6) and push it to the rear side. The safety guard automatically remains in that position.

Lescha CBL 450 - Changing the saw blade - 4

  1. Insert rod (24) into motor-shaft and unscrew bolt (A left-hand-thread)

Lescha CBL 450 - Changing the saw blade - 5

  1. Now, the front saw blade flange (28) and the saw blade (27) can be removed.
  2. Clean the saw blade flanges.
  3. Install a new or sharpened saw blade.

Pay attention to the correct running direction of the saw blade: The arrow on the saw blade and the arrow on the protective cover must point in the same direction!

  1. Position the front saw blade flange again.
  2. Re-tighten the clamping nut (29).
  3. Secure the table insert.
  4. The stop screw (c) must not be removed.

Lescha CBL 450 - Changing the saw blade - 6

Replacing the table insert

Lescha CBL 450 - Replacing the table insert - 1

Lescha CBL 450 - Replacing the table insert - 2

Disconnect the mains plug before changing the table insert.

Lescha CBL 450 - Replacing the table insert - 3

Immediately replace a worn or damaged table insert.

  1. Loosen the screws of the table insert (6).
  2. Lift the safety guard (16).
  3. Lift the table insert (6) and push it to the rear side. The safety guard automatically remains in that position.
  4. Remove the 2 nuts (a) and remove the blade guard (12) together with the safety guard.
  5. Install a new table insert (6).
  6. Secure the blade guard with the safety guard (for blade guard adjustment see figure 13).
  7. Secure the table insert.
  8. The stop screw (c) must not be removed.

Blade guard adjustments

The adjustment of the blade guard must be checked after each saw blade and table insert change.

Lescha CBL 450 - Blade guard adjustments - 1

Transport

Lescha CBL 450 - Transport - 1

Before each transport:

Switch off device
Wait untl the saw comes to a stop.
- Pull out power plug
- Accessories such as stops must be securely mounted or clamped on the machine.

Lescha CBL 450 - Before each transport: - 1

Storage

Lescha CBL 450 - Storage - 1

Pull out power plug

Store unused equipment in a dry, locked place out of the reach of children.
Before a longer period of storage carry out the following to extend the saw service life and ensure an easy operating:

  • thoroughly clean the device
    treat all movable parts with an environmentally friendly oil

Lescha CBL 450 - Pull out power plug - 1

Never use any grease!

Guarantee

Please observe the enclosed terms of guarantee.

Possible faults

Lescha CBL 450 - Possible faults - 1

Before each fault elimination:

Switch off device
Wait until the saw comes to a stop.
Pull out power plug

After each fault clearance, put into operation and recheck all security installations.

Fault Possible cause Remedy
Machine fails to start after switching onPower failure Extension cable defect Motor or switch defectCheck the fuse. Check cable, no longer use defect cable Have motor or switch checked by an approved electrician or replaced by original spare parts
Machine stops while cuttingSaw blade blunt Feed is too greatReplace saw blade (27) Allow motor to cool and proceed working with less pressure
Burned spots at the cut areasSaw blade bluntReplace saw blade
Saw vibratesSaw blade is warped Saw blade not properly mountedReplace saw blade Mount saw blade properly
Decelaration too slow (time to dead stop >10 sec.)Motor brake defective Brake disk wornHave motor or switch checked by an approved electrician or replaced by original spare parts
Motor generates insufficient power and becomes too hot.Three-phase motor is running on the second phase. Extension cable too long or cable cross-section too small. Blunt saw blade.The fuses and the supply lines must be checked by an electrician. See "Setting into Operation". The saw blade must be resharmed or replaced
Safety guard not freely movableScrews excessively tightened.Loosen the screws to the extent that the safety guard can be moved (Fig. 10).

In case of further faults or inquiries please contact your local dealer.

Technical data

Typ CBL 450
Mains voltage 230 V~ 400 V 3~
Mains frequency 50 Hz
Motor rating P1 3,0 kW - S 6- 40 % 4,4 kW - S 6
Motor output P2 2,2 kW -S 6- 40 % 3,5 kW -S 6
No-load speed 2698 min-1
Carbide tipped saw blade∅ 450 x 2,8/3,8 x ∅ 30 mm 40 teeth
Saw blade - ∅ max./min.445 - 450 mm
Cutting depth Ca. 150mm
Table size 1000 x 660 mm
Table height 850 mm
Weight Ca. 90 kg
Width of the guide elements for the blade guard 12 mm
Blade guard: Width of guide slot12,1 mm
Thickness3 mm
Connection diameter for suction fitting100 mm
Mains fuse16 A inert
Protection classIP 54
Year of constructionsee last page

Description of device / spare parts

Pos.Order-No.Denomination
1361685Saw table board
2361622Table leg
3360104Slip-on foot
4361691Brace, long
5361690Brace, short
6361025Table insert
7361026Transport lug
8361109Tool hook
9361782Chip box, cpl.
10361157Extractor connecting piece
11361162Sealing blade
12361694Splitting wedge
13361777Guard holder right
14361778Guard holder left
15361703Adjusting device
16361625Protective guard
17360528Clamping device, cpl.
18361702Double torsion spring (Fig. 10)
19361735Parallel stop without guide ruler
20361680Stop ruler (aluminium)
21361684Stop guide
22360005Stop angle, cpl.
23361313Stop bar
24361750Wedge cutting stop
25361682Holder
26361687Guide shaft
27360213Carbide tipped saw blade
28361635Saw blade flange, front (Fig. 12)
361636Saw blade flange, rear (not illustrated)
29391035Clamping nut M 20, LH (Fig. 12)
30361775Table extension
31361774Swiveling holder LH for table extension (Fig. 2)
Pos.Order-No.Denomination
32361112Swiveling holder RH for table extension
33361733Ring wrench size 30/19 (Fig. 12)
34361111Push stick
35361700Retaining pin (pivot pin) (Fig. 12)
35361609Handle for push block
36361656Switch-plug combination for three-phase motor
36361641Switch-plug combination for AC motor
361637Three-phase motor
360874Single-phase motor
360145Switch base for three-phase power supply
361599Switch base for single-phase power supply
361759Capacitor 60 μF
37361760Cylinder head screw M8x8 from plastic
38361769Washer from plastic
39361112Brace

Spare parts

Identify the required spare part from the spare parts drawing and list.

Ordering spare parts:

The parts are procured from the manufacturer.

Required details for orders:

  • Type of saw
  • Saw number (see rating plate)
  • Spare part number
  • Designation of the spare part

Quantity

Example: Type CBL 450, product no. 0987, 360213 carbide tipped saw blade,

1 piece

Lescha CBL 450 - Spare parts - 1

Lescha CBL 450 - Spare parts - 2

C. (S-No.:) 70987 → CBL450

70994 CBL450TP

na základe ES smernice 2006/42/ES

prohlasujeme

Altrad Lescha GmbH

Sz. (S-No.): 70987 → CBL450

70994 CBL450TP

N. (S-No.): 70987 → CBL450

70994 CBL450TP

conform directivei 2006/42/UE

Prin prezenta, noi

Altrad Lescha GmbH

2004/108/UE, 200/14/UE s i 2011/65/UE.

Conformity assessment procedure 2000/14/UE - Appendix V

C. (S-No.:) 70987 → CBL450

70994 CBL450TP

na základe ES smernice 2006/42/ES

prehlasujeme

Altrad Lescha GmbH

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Product information

Brand : Lescha

Model : CBL 450

Category : Saw