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6
Kickback and related warnings
a)
Kickback is a sudden reaction to a pinched or snagged cutting disc
. Pinching
or snagging causes rapid stalling of the rotating wheel which in turn causes the
uncontrolled power tool to be forced in the opposite direction of the wheels rotation
b)
Maintain a firm grip on the power tool and position your body and arm to
allow you to resist kickback forces. Always use auxiliary handle, if provided, for
maximum control over kickback or torque reaction during start-up.
The operator
can control torque reactions or kickback forces, if proper precautions are taken. Never
place your hand near the cutting disc. The wall chaser may kickback over your hand
c)
Do not position your body in the area where the power tool will
move if kickback occurs.
Kickback will propel the tool in the direction
opposite to the wheel’s movement at the point of snagging
d)
Use special care when working corners, sharp edges, etc. Avoid bouncing
and snagging the accessory.
Corners, sharp edges or bouncing have a tendency
to snag the rotating accessory and cause loss of control or kickback
e)
Do not “jam” the cut-off wheel or apply excessive pressure. Do not attempt to make an
excessive depth of cut.
Overstressing the wheel increases the loading and susceptibility to
twisting or binding of the wheel in the cut and the possibility of kickback or wheel breakage
f)
When wheel is binding or when interrupting a cut for any reason, switch off the power
tool and hold the power tool motionless until the wheel comes to a complete stop.
Never
attempt to remove the cut-off wheel from the cut while the wheel is in motion, otherwise kickback
may occur. Investigate and take corrective action to eliminate the cause of wheel binding
g)
Do not restart the cutting operation in the workpiece.
Let the wheel
reach full speed and carefully re-enter the cut. The wheel may bind, walk
up or kickback if the power tool is restarted in the workpiece
1 Spindle Lock
2 Trigger Switch
3 Lock-Off Button
4 Rear Handle
5 Motor Cover
6 Front Handle
7 Baseplate
8 Depth Lock
9 Blade Guard
10 Dust Extraction Port
11 Hex Key
12
Pin Spanner
13
Chisel
Product Familiarisation
Accessories
• 1 x Pair Spare Carbon Brushes
• 2 x Diamond Cutting Discs (fitted)
Intended Use
Mains-powered portable power tool with dual diamond-grit metal cutting
discs cuts vertical and horizontal channels into plaster, brick, aerated blocks
and concrete for laying cables, pipes, conduit and trunking.
Unpacking Your Tool
• Carefully unpack and inspect your tool. Fully familiarise yourself with all its features and functions
• Ensure that all parts of the tool are present and in good condition. If any parts are
missing or damaged, have such parts replaced before attempting to use this tool
Before Use
WARNING:
Ensure the tool is disconnected from the power supply before attaching or changing
any accessories, or making any adjustments.
Dust extraction
Connect vacuum system to the Dust Extraction Port (10) for efficient dust collection and a cleaner,
safer working environment
Setting the cutting depth
The depth of cut can be adjusted from 10mm to 42mm
1. Loosen the Depth Lock (8) and move the Baseplate (7) along the guide to the depth required
2. Tighten the Depth Lock firmly
Setting the cutting width
The following cutting widths can be set: 14, 19 and 29mm
1. Use the 6mm Hex Key (11) supplied to undo the Blade Guard (9) retaining screws. Remove and
set aside
2. Loosen the Depth Lock (8), then secure the Baseplate (7) at minimum depth
3. Depress the Spindle Lock (1) and use the Pin Spanner (12) supplied to loosen and remove the
outer flange.
Note:
Reverse thread
4. Carefully remove the outer blade and spacers
5. Arrange the spacers and outer blade on the spindle as necessary to achieve the required cutting
width. See Fig I
Note:
Replace the blade in the correct direction of rotation, with the printed side facing away from
the machine and the direction arrows matching those on the Blade Guard
6. Refit the outer flange and secure with the Pin Spanner
7. Refit the Blade Guard
Operation
WARNING:
ALWAYS wear eye protection, adequate respiratory and hearing
protection, as well as suitable gloves, when working with this tool.
Set up
1. Mark a reference line on the wall at the centre line of the required chase
2. Using a suitable detector, check there are no hidden cables or pipes in the cutting area
Cutting
1. Hold the unit firmly with both hands - one on the Rear
Handle (4) and one on the Front Handle (6)
2. Start the motor by depressing the safety Lock-Off Button (3) and squeezing the Trigger Switch (2)
3. Allow the motor to reach full speed, then apply the wall
chaser at the top end of the chase required
4. Press firmly so the Baseplate (7) is flat against the wall, and move the
tool slowly down the wall, following the marked reference line
5. If the discs become too hot, cool them by taking the tool off load and running it
freely for approximately 30 seconds. DO NOT use water or cooling fluid
6. Remove the wall chaser from the wall and release the Trigger Switch (2) to switch off the machine
7. Allow the cutting discs to stop completely before putting the unit down
8. To form the chase, clear the block between the two cut lines with the Chisel (13) supplied
Accessories
• Accessories for your wall chaser, including blades and personal protective equipment (PPE), are
available from your Silverline stockist. Spare parts can be obtained at www.toolsparesonline.com
Maintenance
WARNING:
ALWAYS disconnect from the power supply before carrying out any inspection,
maintenance or cleaning.
Replacing the cutting discs
Regularly check the condition of the cutting discs and replace as necessary. Cracked, bent,
heavily worn or damaged discs must be replaced immediately. Only use flawless discs
1. Remove the Blade Guard (9) and set the Baseplate (7) at minimum depth
2. Use the Pin Spanner (12) to remove the outer flange. Note: Reverse thread
3. Remove the worn cutting blades and install the new blades, positioning the
spacers as necessary to achieve the cutting width required. Note:
a. Never install the blades without the inner flange in position first
b. Always install the blades in the correct direction of rotation, with the printed side facing
away from the machine and the direction arrows matching those on the Blade Guard
4. Refit the outer flange and secure with the Pin Spanner
5. Refit the Blade Guard
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