Sparky MBGS 200 - Инструкция по эксплуатации - Страница 8

6

EN

MBG 150/175/200/250

 • 

MBGT 150

 • 

MBGS 200

▪

Mount the eye shield supports (3). During normal 

operation the operator must have a clear view of the 

grinding wheels (4) through the eye shields (2).

WARNING:

 Never operate the bench grinder 

without the wheel guards and the eye shields.

▪

After assembling the machine connect the dust port 

(10) to a dust extraction system.

WHEEL REPLACEMENT

WARNING:

 Always switch off and unplug the 

power tool prior to any adjustment, servicing or mainte-

nance, including accessory replacement.

WARNING:

 Use only grinding wheels with di-

mensions and peripheral speed, corresponding to the 

specification of the bench grinder.

To replace a grinding wheel perform the following opera-

tions:
1. Inspect the new grinding wheel for visible defects. 

Then insert your forefinger into the wheel arbor and 

tap it gently with a light non-metallic object (for exam-

ple with a screwdriver handle or a mallet) 

(Fig.3)

. The 

sound emitted by the wheel should be clear and ring-

ing. A damaged wheel will respond with a dull thud; in 

this case the wheel has inner cracks and defects and 

must be discarded.

NOTE:

 The wheel you intend to test must be dry. Damp 

wheels emit a dull thud.

WARNING:

 Never use damaged wheels!

2. Remove the wheel guard (8).

3. Holding the wheel (4) firmly with one hand, remove 

the nut and the outer flange from the spindle with a 

spanner 

(Fig. 4)

. Please note that the left wheel nut is 

left-treaded, and the right wheel nut is right-threaded. 

4. Remove the old wheel and replace it with the new one.

5. Place back the flange and the nut. Do not over-tighten 

the nut. Inspect the wheel visually for faults resulting 

from tightening.

6. Re-install the wheel guard (8) and fasten it tightly.

7. Run the bench grinder for a couple of minutes at no 

load to assure that the wheel rotates freely and is well 

balanced.

BRUSH REPLACEMENT 

 (MBGT 150)

WARNING:

 Always switch off and unplug the 

power tool prior to any adjustment, servicing or mainte-

nance, including accessory replacement.

To replace the brush (11) perform the following 

operations:

1. Remove the brush guard (12).

2. Remove the nut and the outer flange. Please note that the 

nut is right-threaded 

(Fig. 5)

.

3. Remove the old brush and replace it with the new one.

4. Place back the flange and tighten the nut. Do not over-

tighten the nut.

5. Re-install the brush guard and fasten it tightly.

6. Run the bench grinder for a couple of minutes at no load to 

assure that the brush rotates freely and is well balanced.

BELT REPLACEMENT  

(MBGS 200)

WARNING:

 Always switch off and unplug the 

power tool prior to any adjustment, servicing or mainte-

nance, including accessory replacement.

1. Pull the belt tension lever (14) and slide off the old belt. 

(Fig. 6)

2. Check that the replacement belt fits well and is not 

frayed at the edges.

3. The arrows on the belt shall point to the same direction 

as the arrow on the belt housing (16).

4. Place the tension lever (14) back in its initial position. 

(Fig. 7)

5. Plug the machine to a power source and switch it on. 

Allow the belt to rotate for a short period. 

6. Whilst the belt is running, use the tracking knob (15) to 

align the belt to the centre of the roller. 

(Fig. 8)

7. Repeat these operations until the belt is properly 

aligned.

8. Place the belt housing (16) in the desired operating 

position by means of the inner hex screw (19) 

(Fig. 9)

9. Adjust the tool rest (18) position in relation to the belt by 

means od the lever (13). 

(Fig. 10)

MACHINED PIECE DIMENSIONS

The overall dimensions and weight of the machined piece 

shall ensure easy machining without preliminary fixing and 

should not hamper the operator’s natural posture during 

work.

OPERATING THE BENCH GRINDER

▪

Do not overload the power tool. Excessive pressure 

may result in motor overheating and untimely wheel 

wear.

WARNING:

 Excessive pressure on a cold 

wheel may cause the wheel to crack.

▪

Do not use this power tool for purposes it was not de-

signed for.

▪

Strictly observe the above mentioned instructions for 

replacing the accessories.

▪

Remove all spanners and parts from the power tool 

and in the near vicinity prior to beginning of operation.

▪

The eye shields position can be adjusted to ensure 

proper view on the work area for the operator.

▪

Check and adjust if necessary the tool rests position 

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30.7.2012 г.   15:12:52 ч.