Operating Instructions - Bosch 1873-6 Operating/Safety Instructions Manual

BM 1609929H54 08-06
BACKING PAD
Before attaching a backing
! WARNING
pad be sure its maximum
safe operating speed is not exceeded by the
nameplate speed of the tool.
Wheel guard may not be
! WARNING
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. 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.
TO REMOVE BACKING PAD AND
SANDING DISC
Disconnect tool from power source. Using
the lock nut wrench unscrew the nut from the
spindle, while holding spindle lock in.
WIRE BRUSH ASSEMBLY
Before assembling wire brush to this tool,
disconnect from the power source. Wire
brushes are equipped with their own
threaded hub, simply thread on to spindle. Be
sure to seat against shoulder before turning
tool "ON".
"TRI-CONTROL" PADDLE SWITCH
The "Tri-Control" Paddle Switch enables the
operator to control the switch functions of
"Lock-OFF", "ON/OFF" and "Lock-ON".
TO UNLOCK SWITCH
AND TURN TOOL "ON":
Push paddle
FORWARD (toward the
spindle) then squeeze
the paddle lever.
TO SWITCH TOOL "OFF": Release pressure
on paddle lever. The switch is spring loaded
and will return
automatically.
8/3/06 11:44 AM
Sander Assembly

Operating Instructions

lever
to "OFF" position
Page 9
SIDE HANDLE
The side handle used to guide and balance
the tool can be threaded into the front housing
on either side, and on top of the tool,
depending on personal preference and
comfort. Use the side handle for safe control
and ease of operation.
Always
!
WARNING
handle
control over torque reaction or kick-back.
Operation of the grinder without the side
handle could cause loss of control of the
grinder, resulting in possible serious personal
injury.
SPINDLE LOCK
SPINDLE
SPIN-ON
WIRE
BRUSH
The "Lock-ON" feature, incorporated into the
paddle switch, is a convenience for long
operations.
TO LOCK SWITCH "ON": After paddle switch
has been activated push paddle lever
completely FORWARD and release paddle
lever.
TO SWITCH TOOL "OFF": Squeeze and
then release paddle lever. The switch is
spring loaded and will return to "OFF"
position automatically.
Hold the tool with both hands
! WARNING
while starting the tool, since
torque from the motor can cause the tool to
twist.
-9-
use auxiliary
for maximum
RUBBER
BACKING
PAD
SANDING
DISC
LOCK NUT