MAKITA 9557NB - Grinders

9557NB - Grinders MAKITA - Free user manual and instructions

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Product type Angle grinder
Brand MAKITA
Model 9557NB
Wheel diameter 115 mm
Spindle thread M14
No-load speed 11 000 min⁻¹
Overall length 271 mm
Net weight 1,6 kg
Safety class Double insulation (class II)
Power supply Single-phase mains
Applications Grinding, cutting, sanding of metals and stones without water
Main functions Grinding, cutting, sanding
Sound pressure level 84 dB(A)
Operating noise level Can exceed 85 dB(A)
Weighted acceleration ≤ 2,5 m/s²
Switch Slide switch with lock for continuous operation
Spindle lock Yes, for accessory change
Protective guard Yes, adjustable (180° rotation)
Side handle Yes, supplied
Maintenance Clean ventilation slots regularly
Spare parts Grinding wheels, flanges, lock nut, wrench, brush, etc.
Certifications Compliant with EN50144, EN55014, EN61000

Frequently Asked Questions - 9557NB MAKITA

How to change the wheel on the MAKITA 9557NB?
Ensure the tool is unplugged and the wheel has stopped. Press the spindle lock to lock the shaft, then use the lock nut wrench to loosen the lock nut (turn counterclockwise). Replace the wheel and tighten firmly clockwise.
What is the rotation speed of the 9557NB grinder?
The no-load speed is 11,000 min⁻¹. Only use discs with a maximum operating speed at least equal to this value.
How to use the grinder for continuous operation?
Slide the switch to the 'I' (on) position, then press the front part of the switch to lock it in the continuous position. To stop, press the back part and slide to 'O' (off).
How to adjust the protective guard?
Unplug the tool. Loosen the guard screw, align the protruding part of the guard band with the notch on the gear housing, rotate the guard 180° to cover the user area, then tighten the screw firmly.
What accessories are recommended for the 9557NB?
Use genuine Makita accessories: depressed center wheels, inner flange, lock nut, rubber pad, abrasive discs, wire brushes, etc. See the manual for the full list.
What safety precautions should I take?
Always wear safety glasses and ear protection. Use the protective guard, hold the tool firmly, do not force it, and keep hands away from rotating parts.
How to clean the MAKITA 9557NB grinder?
Unplug the tool. Regularly clean the ventilation slots with a non-metallic object to prevent dust buildup. Keep the tool clean and dry.
What to do in case of excessive vibrations during use?
Stop the tool immediately. Check that the wheel is properly installed and not damaged. If vibrations persist, have the tool inspected by an authorized Makita service center.
Can I use saw blades on this grinder?
No. Never use wood or saw blades. These blades frequently kick back on a grinder, causing loss of control and serious injury.
Where to find spare parts for the 9557NB?
Contact an authorized Makita service center for genuine spare parts. Any repairs must be carried out by qualified personnel.

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Download the instructions for your Grinders in PDF format for free! Find your manual 9557NB - MAKITA and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. 9557NB by MAKITA.

USER MANUAL 9557NB MAKITA

The followings show the symbols used for the tool. Be sure that you understand their meaning before use.

Symboles

Explanation of general view
1Shaft lock6Lock nut10 Shaft lock
2Switch lever7Depressed center grinding wheel/ Multi-disc11 Exhaust vent
3Wheel guard12 Inhalation vent
4Screw8Inner flange
5Bearing box9Lock nut wrench
SPECIFICATIONS
Model9556NB9557NB9558NB
Depressed center wheel diameter100 mm115 mm125 mm
Spindle threadM10M14M14
No load speed (min-1)11,00011,00011,000
Overall length271 mm271 mm271 mm
Net weight1.6 kg1.6 kg1.6 kg
Safety class☐/II☐/II☐/II
  • Due to our continuing program of research and development, the specifications herein are subject to change without notice.
  • Note: Specifications may differ from country to country.

Intended use

The tool is intended for cutting, grinding and sanding of metal and stone materials without the use of water.

Power supply

The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can only be operated on single-phase AC supply. They are double-insulated in accordance with European Standard and can, therefore, also be used from sockets without earth wire.

Safety hints

For your own safety, please refer to the enclosed safety instructions.

ADDITIONAL SAFETY RULES

ENB031-6

  1. Always use eye and ear protection. Other personal protective equipment such as dust mask, gloves, helmet and apron should be worn.
  2. Always be sure that the tool is switched off and unplugged before carrying out any work on the tool.
  3. Keep guards in place.
  4. Use only wheels with correct size and wheels having a maximum operating speed at least as high as the highest No Load Speed marked on the tool's nameplate. When using depressed center wheels, be sure to use only fiberglass-reinforced wheels.
  5. Check the wheel carefully for cracks or damage before operation. Replace cracked or damaged wheel immediately.
  6. Observe the instructions of the manufacturer for correct mounting and use of wheels. Handle and store wheels with care.
  7. Do not use separate reducing bushings or adaptors to adapt large hole abrasive wheels.
  8. Use only flanges specified for this tool.
  9. Do not damage the spindle, the flange (especially the installing surface) or the lock nut. Damage to these parts could result in wheel breakage.

  10. For tools intended to be fitted with threaded hole wheel, ensure that the thread in the wheel is long enough to accept the spindle length.

  11. Before using the tool on an actual workpiece, test run the tool at the highest no load speed for at least 30 seconds in a safe position. Stop immediately if there is any vibration or wobbling that could indicate poor installation or a poorly balanced wheel. Check the tool to determine the cause.
  12. Check that the workpiece is properly supported.
  13. Hold the tool firmly.
  14. Keep hands away from rotating parts.
  15. Make sure the wheel is not contacting the workpiece before the switch is turned on.
  16. Use the specified surface of the wheel to perform the grinding.
  17. Do not use cutting off wheel for side grinding.
  18. Watch out for flying sparks. Hold the tool so that sparks fly away from you and other persons or flammable materials.
  19. Pay attention that the wheel continues to rotate after the tool is switched off.
  20. Do not touch the workpiece immediately after operation; it may be extremely hot and could burn your skin.
  21. Position the tool so that the power cord always stays behind the tool during operation.
  22. If working place is extremely hot and humid, or badly polluted by conductive dust, use a short-circuit breaker (30 mA) to assure operator safety.
  23. Do not use the tool on any materials containing asbestos.
  24. Do not use water or grinding lubricant.
  25. Ensure that ventilation openings are kept clear when working in dusty conditions. If it should become necessary to clear dust, first disconnect the tool from the mains supply (use non metallic objects) and avoid damaging internal parts.
  26. When use cut-off wheel, always work with the dust collecting wheel guard required by domestic regulation.
  27. Cutting discs must not be subjected to any lateral pressure.

SAVE THESE INSTRUCTIONS.

FUNCTIONAL DESCRIPTION

CAUTION:

Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool.

Shaft lock (Fig. 1)

CAUTION:

  • Never actuate the shaft lock when the spindle is moving. The tool may be damaged.

Press the shaft lock to prevent spindle rotation when installing or removing accessories.

Switch action (Fig. 2)

CAUTION:

  • Before plugging in the tool, always check to see that the slide switch actuates properly and returns to the "OFF" position when the rear of the slide switch is depressed.

To start the tool, slide the slide switch toward the "I (ON)" position. For continuous operation, press the front of the slide switch to lock it.

To stop the tool, press the rear of the slide switch, then slide it toward the "O (OFF)" position.

ASSEMBLY

CAUTION:

Always be sure that the tool is switched off and unplugged before carrying out any work on the tool.

Installing side grip (handle) (Fig. 3)

CAUTION:

  • Always be sure that the side grip is installed securely before operation.

Screw the side grip securely on the position of the tool as shown in the figure.

Installing or removing wheel guard (Fig. 4 & 5)

CAUTION:

  • The wheel guard must be fitted on the tool so that the closed side of the guard always points toward the operator.

Mount the wheel guard with the protrusion on the wheel guard band aligned with the notch on the bearing box. Then rotate the wheel guard around 180 degrees. Be sure to tighten the screw securely.

To remove wheel guard, follow the installation procedure in reverse.

Installing or removing depressed center grinding wheel/Multi-disc

Mount the inner flange onto the spindle. Fit the wheel/disc on the inner flange and screw the lock nut onto the spindle. (Fig. 6)

To tighten the lock nut, press the shaft lock firmly so that the spindle cannot revolve, then use the lock nut wrench and securely tighten clockwise.

To remove the wheel, follow the installation procedure in reverse. (Fig. 7)

WARNING:

  • Only actuate the shaft lock when the spindle is not moving.

OPERATION

WARNING:

  • It should never be necessary to force the tool. The weight of the tool applies adequate pressure. Forcing and excessive pressure could cause dangerous wheel breakage.
  • ALWAYS replace wheel if tool is dropped while grinding.
  • NEVER bang or hit grinding disc or wheel onto work.
  • Avoid bouncing and snagging the wheel, especially when working corners, sharp edges etc. This can cause loss of control and kickback.
  • NEVER use tool with wood cutting blades and other sawblades. Such blades when used on a grinder frequently kick and cause loss of control leading to personal injury.

CAUTION:

  • After operation, always switch off the tool and wait until the wheel has come to a complete stop before putting the tool down.

Grinding and sanding operation (Fig. 8)

ALWAYS hold the tool firmly with one hand on housing and the other on the side handle. Turn the tool on and then apply the wheel or disc to the workpiece.

In general, keep the edge of the wheel or disc at an angle of about 15 degrees to the workpiece surface.

During the break-in period with a new wheel, do not work the grinder in the B direction or it will cut into the workpiece. Once the edge of the wheel has been rounded off by use, the wheel may be worked in both A and B direction.

MAINTENANCE

CAUTION:

Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance.

The tool and its air vents have to be kept clean. Regularly clean the tool's air vents or whenever the vents start to become obstructed. (Fig. 9)

To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts.

ACCESSORIES

CAUTION:

  • These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose.

If you need any assistance for more details regarding these accessories, ask your local Makita service center.

  • Wheel guard (Wheel cover)
  • Inner flange
    Depressed center wheels
  • Lock nut (For depressed center wheel)
    Rubber pad
  • Abrasive discs
  • Lock nut (For abrasive disc)
  • Lock nut wrench
  • Wire cup brush
    Wire bevel brush 85
  • Side grip
  • Dust collecting wheel guard

Descriptif

EC-DECLARATION OF CONFORMITY

We declare under our sole responsibility that this product is in compliance with the following standards of standardized documents,

EN50144, EN55014, EN61000

in accordance with Council Directives, 73/23/EEC, 89/336/EEC and 98/37/EC.

FRANÇAISE

DECLARATION DE CONFORMITE CE

Michigan Drive, Tongwell, Milton Keynes,

Bucks MK15 8JD, ENGLAND

Responsible manufacturer:

Fabricant responsible :

de accordo com as directivas 73/23/CEE, 89/336/CEE e 98/37/CE do Conselho.

DANSK

EU-DEKLARATION OM KONFORMITET

Michigan Drive, Tongwell, Milton Keynes,

Bucks MK15 8JD, ENGLAND

Fabricante responsavel:

Ansvarlig fabrikant:

For European countries only

Noise and Vibration

The typical A-weighted sound pressure level is 84 dB (A).

The noise level under working may exceed 85 dB (A).

  • Wear ear protection. -

The typical weighted root mean square acceleration value is not more than 2.5m / s^2

These values have been obtained according to EN50144.

ITALIANO

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Product information

Brand : MAKITA

Model : 9557NB

Category : Grinders