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90566167 900.24542 grinder revised.qxd:1006292-00 11651 grinder
ADJUSTING THE GUARD (FIGURE D)
Note: The guard is pre-adjusted to the
diameter of the gear case hub at the
factory. If, after a period of time, the guard
becomes loose, tighten the adjusting screw
(10) with latch in the closed position and
guard installed on the tool.
D
10
CAUTION: Do not tighten the adjusting
screw with the latch in the open position.
Undetectable damage to the guard or the
mounting hub may result.
CAUTION: If the guard cannot be
tightened by the guard latch, do not use
the tool and take the tool and guard to a
service center to repair or replace the
guard.
Note: Edge grinding can be performed
with Type 27 wheels designed and
specified for this purpose; 1/4 inch (6mm)
thick wheels are designed for surface
grinding while 1/8 inch (3mm) wheels are
designed for edge grinding.
OPERATION
SWITCH
To start the grinder, push the slider switch
(1) forward. For continuous operation,
push the slider switch forward and push
the front down until it locates in the lock
position. To turn the tool off, press the rear
of the slider switch. Spring action returns
the switch to the off position.
CAUTION: Hold the side handle (5) and
body of the tool (4) firmly to maintain control
of the tool at start up and during use and
until the wheel or accessory stops rotating.
Make sure the wheel has come to a
complete stop be fore laying the tool down.
Allow the tool to reach full speed before
touching tool to the work surface. Lift the
tool from the work surface before turning
the tool off.
ROTATING THE GEAR CASE (FIG. E)
Turn off and unplug tool before making any
adjustments or removing or installing
accessories. Before reconnecting the tool,
depress and release the trigger switch
to ensure that the tool is off.
1. Remove guard and flanges from tool.
2. Remove the four corner screws attaching
the gear case to motor housing.
3. Separating the gear case from motor
housing not more than 1/4 in., rotate
the gear case head to desired position.
NOTE: If the gear case and motor housing
become separated by more than 1/4 in.,
the tool must be serviced and re-
assembled by a SEARS service center.
Failure to have the tool serviced may
cause brush, motor and bearing failure.
4. Re-install screws to attach the gear
case to the motor housing.
Tighten screws to 18 in./lbs. torque.
Overtightening could cause screws to strip.
E
90 ∘
90 ∘
SPINDLE LOCK
The spindle lock button (6) is provided to
prevent the spindle from rotating when
installing or removing wheels. Operate the
spindle lock only when the tool is turned off
and the wheel has come to a complete stop.
WARNING: Do not engage the spindle
lock while the tool is operating. Damage to
the tool will result and attached accessory
may spin off possibly resulting in injury.
To engage the lock, depress the spindle
lock button shown in figure E1 and rotate
the spindle until you are unable to rotate the
spindle further.
E1
MOUNTING AND USING DEPRESSED
CENTER GRINDING WHEELS AND
SANDING FLAP DISCS
Mounting and Removing Hubbed Wheels
WARNING: To prevent accidental
operation, turn off and unplug tool
before performing the following
operations. Failure to do this could result
in serious personal injury.
Hubbed wheels install directly on the 5/8 in.-
11 threaded spindle.
1. Thread the wheel on the spindle by hand.
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2. Depress the spindle lock button and use a
wrench (figure E1) to tighten the hub of the
wheel.
3. Reverse the above procedure to remove
the wheel.
Failure to properly seat the wheel before
turning the tool on may result in damage
to the tool or the wheel.
MOUNTING NON-HUBBED WHEELS
WARNING: To prevent accidental
operation, turn off and unplug tool
before performing the following
operations. Failure to do this could result
in serious personal injury.
Depressed center Type 27 grinding wheels
must be used with included flanges. See
pages 9 and 10 of this manual for more
information.
1. Figure F - Install the unthreaded backing
flange (11) on spindle (12) with the
raised section (pilot) against the wheel.
4-1/2 inch (115mm) Grinding Wheels
Type 27 guard
Type 27 guard
unthreaded
backing flange
Type 27 hubbed wheel
Sanding Discs
Type 27 depressed
center wheel
rubber backing pad
threaded clamp nut
threaded clamp nut
F
12
2. Place wheel against the backing flange,
centering the wheel on the raised
section (pilot) of the backing flange.
3. Figure G - While depressing the
spindle lock button, thread the threaded
clamp nut (13) on spindle.
G
13
Wire Wheels
Type 27 guard
3 inch wire
cup brush
Type 27 guard
sanding disc
4 inch wire
cup brush
9
11
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