Bosch Power Tools 1821 manual Disc Grinding Wheel Assembly, Lock NUT

Models: 1821

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BM 1609929Y07 10-10:BM 1609929Y07 10-10 1/18/11 10:06 AM Page 11

DISC GRINDING WHEEL ASSEMBLY

Disconnect tool from power source. Be sure that wheel guard is in place for grinding. Place BACKING FLANGE and GRINDING WHEEL on the spindle. Thread on the lock nut and tighten nut using the supplied lock nut wrench, while holding the spindle lock in (Fig. 3).

TO REMOVE: Reverse procedure.

When using spin-on wheels, thread directly onto the spindle.

TYPE 27

 

 

 

 

 

SPINDLE

 

 

 

 

 

GRINDING

 

 

 

 

 

 

WHEEL

 

 

 

 

BACKING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLANGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIG. 3

TYPE 27

GRINDING

WHEEL

SPINDLE

TYPE 27

WHEEL GUARD

BACKING

FLANGE

LOCK NUT

LOCK NUT

TYPE 27 SPIN-ON GRINDING WHEEL

ABRASIVE TYPE 1A & 27A

WHEEL ASSEMBLY

Using the optional type 1A wheel guard, it is possible to perform limited cutting on small stock such as metal tubes, piping or rebar.

Do not attempt to cut large stock or sheets of metal as this tool is not designed to be a dedicated cutting tool.

! WARNING

Always use type 1A protection

 

guard for cutting.

 

Disconnect tool from power source. Be sure that wheel guard is in place for cutting.

When using mounting wheels, thread BACKING FLANGE onto spindle, then place WHEEL on the spindle. Thread on the lock nut and tighten nut using a lock nut wrench provided with adapter kit, while holding the spindle lock in (Fig. 4).

TO REMOVE: Reverse procedure.

TYPE 1 ABRASIVE

STRAIGHT GRINDING WHEELS

Do not use type 1 abrasive ! WARNING wheels designed for

straight/die grinding. This tool is not designed for use with type 1 abrasive straight/die grinding wheels.

FIG. 4

SPINDLE

TYPE 1A

WHEEL GUARD

BACKING

FLANGE

 

LOCK NUT

TYPE 1A

TYPE 27A

(ISO41)

CUTOFF

CUTTING

WHEEL

WHEEL

 

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Bosch Power Tools 1821 Disc Grinding Wheel Assembly, Type Grinding Wheel Spindle Wheel Guard Backing Flange, Lock NUT