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Assembly
Lock Nut and Backing Flange
Y o u r t o o l i s e q u i p p e d w i t h a t h r e a d e d
spindle for mounting ac ces sories. Always
use the supplied original BOSCH lock nut,
a n d b a c k i n g f l a n g e , t h a t h a s t h e s a m e
thread size as the spindle. Backing flange is
keyed to output shaft (Fig. 4). Always make
sure that the lock nut is tightened correctly
with the supplied wrench.
Disc Grinding Wheel Assembly
1. Disconnect battery pack from tool.
2. Be sure that wheel guard is in place for
grinding.
3. Place BACKING FLANGE and GRINDING
WHEEL on the spindle.
4. Thread on the lock nut and tighten nut
using the lock nut wrench, while holding
the spindle lock. (Fig. 4).
TO REMOVE: Reverse procedure.
WHEN USING SPIN-ON WHEELS
1. Disconnect battery pack from tool.
2. Be sure that wheel guard is in place for
grinding.
3. T h r e a d w h e e l d i r e c t l y o n t o s p i n d l e
without using the supplied flanges.
TO REMOVE: Reverse procedure.
All parts of a spin-on wheel must be within
lip of grinding guard (Fig. 5). If spin-on
wheel is past lip of guard, do not use that
wheel as it does not fit on this grinder.
Do not use accessories
that run eccentrically.
The tool will vibrate excessively and may
cause loss of control and the accessory may
burst.
Lock Nut
Type 27
Grinding
Wheel
Backing
Flange
Spindle
Type 27
Grinding
Wheel
Spindle
Type 27
Wheel
Guard
Backing
Flange
Fig. 4
Lock Nut
FIG. 5
Spin-On
Wheel
Lip of
Guard
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