Ryobi BGH6110 Manuel d'utilisateur télécharger pdf (Page 11)

11 — English

WARNING:

Do not allow familiarity with tools to make you care-

less. Remember that a careless fraction of a second is

sufficient to inflict serious injury.

WARNING:

Always wear eye protection with side shields marked to

comply with ANSI Z87.1. Failure to do so could result in

objects being thrown into your eyes, resulting in possible

serious injury.

WARNING:

Do not use any attachments or accessories not

recommended by the manufacturer of this tool. The use

of attachments or accessories not recommended can

result in serious personal injury.

CAUTION:

Excessive pressure on a cold wheel may cause the wheel

to crack.

CAUTION:

Never sharpen or grind anything made of aluminum,

brass, or copper.

WARNING:

Do not use wheels rated less than the speed of this tool.

Failure to heed this warning could result in personal injury.

APPLICATIONS

This product has been designed only for the purposes listed

below:

 Sharpening drill bits

 Sharpening lawn mower blades

 Sharpening chisels and flat screwdrivers

BASIC OPERATION

To be efficient and work as designed, your tools should be

kept sharp. Dull tools can and will cause accidents.

Bench Grinders are ideal for sharpening tools such as chis-

els, planer blades, scissors, etc., and for removing rust or

corrosion. Grinders remove material rapidly so pressure is

the key to efficient grinding.

The proper way to sharpen a tool and avoid overheating is:



Keep the object in constant motion, moving it at an even

pace.



Never force a tool against the grinding wheel.

 Keep the tool cool by using a pan of water.

 The grinding wheel should rotate “into” the object being

sharpened.

NOTE: Excessive pressure may damage the tool, cause the

motor to overheat, and prematurely wear down the grinding

wheel.

ON/OFF SWITCH

See Figure 8, page 15.

The Bench Grinder features a front access On/Off switch for

convenience and safety.

SHARPENING TWIST DRILL BITS

See Figure 9, page 15.

Drill bits are best sharpened on a sharpening jig (available at

most hardware stores). Begin on one side of the point at the

existing angle, then twist the bit while maintaining contact

with the grinding surface. Sharpen only the tip.

This technique requires considerable practice, so take your

time and make a few “dry runs” first with the grinder off. Be

sure to maintain the original cutting edge angle as this is

important to the efficiency of your bits.

SHARPENING LAWN MOWER BLADES

See Figure 10, page 15.

Lawn mower blades are usually sharpened on only one edge

and dressed up slightly on the other. Perform this sharpening

process on both cutting ends of the blade. After sharpening,

be sure to balance the blade by removing additional material.

CAUTION:

An unbalanced lawn mower blade may cause excessive

vibration which will damage the lawn mower.

SHARPENING CHISELS AND SCREWDRIVER

BLADES

See Figure 11, page 15.

When sharpening chisels and screwdrivers, work rest should

support the chisel at the correct angle against the wheel.

OPERATION

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 39 40

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Ryobi BGH6110 Manuel d'utilisateur Page 11

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