Bosch 1974-8 Operating/Safety Instructions Manual page 12

BM 1609929T61 07-09:BM 1609929T61 07-09 7/8/09 1:37 PM Page 12
SANDING DISC ASSEMBLY
BACKING PAD
Before attaching a backing
W RNING
pad be sure its maximum
safe operating speed is not exceeded by the
nameplate speed of the tool.
Wheel guard may not be
W RNING
used for most sanding
operations. Always reinstall wheel guard
when converting back to grinding operations.
TO INSTALL BACKING PAD AND
SANDING DISC
Disconnect tool from power source. Attach
hand guard (Fig. 1). Set the tool on its top
side (spindle up). Place the rubber backing
pad onto the spindle shaft. Center the
sanding disc on top of the backing pad.
Insert the lock nut through the disc and
thread onto the spindle as far as you can with
your fingers. Press in the spindle lock, then
tighten the backing pad securely with lock nut
wrench (Fig. 8).
WIRE BRUSH ASSEMBLY
Before attaching a wire
W RNING
brush be sure its maximum
safe operating speed is not exceeded by the
nameplate speed of the tool.
Before assembling wire brush to this tool,
disconnect from the power source. Attach
hand guard (Fig. 1). Wire brushes are
equipped with their own threaded hub, simply
thread on to spindle. Be sure to seat against
shoulder before turning tool "ON".
MOTOR HOUSING RELEASE LEVER
(Model 1994-6 & 1994-6D only)
Your tool is equipped with a motor housing
release lever that will allow you to rotate the
spindle in either direction 90˚. To use this
feature, pull release lever in direction of
arrow to release housing, and rotate housing
until it clicks into place (Fig. 9)
TO REMOVE: Reverse procedure.
FIG. 8
SPINDLE
LOCK
SPINDLE
SPIN-ON
WIRE
BRUSH
TO REMOVE: Reverse procedure.
WIRE WHEEL ASSEMBLY
Before assembling wire wheel to this tool,
disconnect from the power source. Attach
Type 27 guard (Fig. 2). Wire wheels are
equipped with their own threaded hub, simply
thread on to spindle. Be sure to seat against
shoulder before turning tool "ON".
TO REMOVE: Reverse procedure.
FIG. 9
-12-
RUBBER
B CKING
P D
S NDING
DISC
LOCK NUT