Ferm BGM1021 Instruction Manual download pdf (Page 5)

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3. Installation

The grinder must be firmly bolted to a workbench.

The length of the fixing bolts will depend on the

thickness of the workbench. If the workbench is

made of steel, it is advisable to use a wooden

block or plank between the grinder and the bench,

to insulate it and prevent vibration.

Mounting and adjustment of eye shield

bracket and eye shield

Fig. B

The eye shield bracket and eye shield

should only ever be assembled/

adjusted with the grinding wheel

stationary, and the machine

disconnected from the power supply.

• Mount the eyeshield bracket together with the

eye shield itself, by means of the screw (A).

• Adjust the height of the eyeshield bracket of

the eyeshield by loosening a bit screw . The

free space between the stone and the

eyeshield bracket of the eyeshield will amount

to 1 - 1,5 mm.

• Fasten well screw (A).

• Adjust the eyeshield in such a way that your

face will be protected, at the utmost.

• Use always safety glasses.

Adjusting tool rest

Fig. B

The tool rest should only be adjusted

when the grinding wheel is completely

statio nary, and the machine is

disconnected from the power supply

(the wall socket).

Secure the tool rest, allowing a maximum

clearance (C) between the tool rest and the

grinding stone of 1 -1.5 mm.

Replacing the grinding stone

Fig. C

Required tools:

• 19 mm Spanner

• 8 mm Spanner

• Screwdriver

Only ever replace the grinding wheel

when the motor is at a standstill and the

power is completely disconnected.

• Remove the guards, using the above tools.

When replacing the stones, remember the

right-hand spindle is fitted with right-hand

thread, the left-hand spindle with left-hand

thread.

• Loosen the nut by means of the spanner.

Remove the stone.

• Clean the flanges. Replace one flange, with

the concave side facing the grinding stone.

Slide the new grinding stone on to the spindle.

Replace the se cond flange on the spindle, with

the concave side facing the grinding stone.

Tighten the nut securely, but not too tightly!

Replace the guards and adjust the tool rest.

Let the motor run for a few seconds before you

start to grind.

4. Operation

Selecting the grinding wheel

Coarse grinding wheels will in general remove the

most material, and fine grinding wheels are used

for finishing. If the surface is uneven, begin by

using a coarse grinding wheel, and grind the

workpiece until it is smooth. Next use a fine

grinding wheel to remove the grooves and

scratching left by the coarse wheel, and finish off

the workpiece.

Grinding

The grinding machine comes with one grinding

disc for dry grinding and one for wet grinding. In

principle, the dry-grinding disc is suited for corase

grinding and the wet-grinding disc for fine grinding

where it suffices to press the workpiece lightly

against the grinding stone. This grinding machine

has been especially designed for treating and

grinding tools with cutting edges such as knives,

scissors, chisels, etc. For best results, fill the

water container with tap water.

To prevent the grinding surface from blocking up,

avoid holding wood, lead or any other soft material

or metal against the grinding wheel. To avoid

creating grooves, do not press the workpiece too

firmly on the grinding wheel. Use water to regularly

cool the workpiece being ground. Wood chisels

and the like should never be sharpened ‘blue’.

Take care not to lose your grip on the object being

ground, as it may suddenly become jammed

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Ferm BGM1021 Instruction Manual Page 5

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