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f) Never start or operate the tool with fingers or
other objects through the holes in the blades.
g) Use care when handling blades during and after
use. The blades and some areas of the tool become
hot in use.
h) Always ensure that before cutting there are
no hazards such as electrical wiring, pipes or
insulation in the area to be cut.
Allow for resting periods to ease the effect of the
i)
vibration of the tool. Use work gloves to minimise
vibration effect on the body.
Ensure the dust extraction equipment is
j)
connected and properly used.
k) The use of any accessory or attachment other
than those recommended in this instruction
manual may present a risk of personal injury.
Do not force the tool. It is designed to operate with
l)
moderate effort. Overheating of the drive system
and motor can occur if the tool is overloaded.
m) Always operate the tool holding it with both hands.
SYMBOLS The following symbols are sed in this
manual and marking of this tool
Class 2 Construction (Double Insulation
used throughout, no provision for earthing.)
Read instruction manual
Wear hearing protection
Wear eyes protection
Wear breathing protection mask
V~
volts alternating current
A
amperes
Hz
hertz
W
watt
N
no load speed
0
/min
reciprocations
dB
decibels
Nm
newton metres
m
metres
m/s
metres per second
mm
millimetres
kg-m
kilogram metres
ft-lb
foot pounds
3. FUNCTIONAL DESCRIPTION
1) AS175 Tool description
The AS175 is designed to cut rigid materials such as
mortar, clay fired bricks, plasterboard, fibreboard. The
AS175 uses a variety of blades to suit the material
being cut. Blades may also be changed to suit the
required depth or length of cut.
The blades are driven via conrods and a camshaft,
which is belt-driven. The belt drive designed to allow
some slip in case of the blades jamming. If excessive
belt slipping occurs, re-tensioning of the belt may
be required. It is easily tightened by removing the
plastic cover and is tensioned using the adjustable idler
pulley (see section 7.2). Blades are mounted to the
conrods using high tensile Allen™ head bolts.
A replaceable metal guard is provided to limit the
maximum cutting depth and prevent the blade mounts
from damaging the surface of the material being cut.
Shock and vibration to the operator are reduced by
a rubber-mounted top handle. The top handle is also
designed for comfort when used in a variety of cutting
orientations. The rubber bushes on the top handle can
be replaced if they become worn or damaged.
2) Blade Description
The AS175 uses a variety of blades to cut different
materials and different profiles.
General Purpose Blades use Tungsten
Carbide teeth and are suited for working
general masonry. General Purpose blades are
designed to cut to a depth of 115mm (4 1/2").
Plunge Blades use Tungsten Carbide
teeth and have a maximum cutting depth of
120mm ( 4 3/4" ). Mortar plunge blades can
cut slots of 75mm (3") in length.
Switch Box Blades use Tungsten Carbide
teeth and have a maximum cutting depth of
120mm ( 4 3/4" ). Suitable for installing small
electrical switch boxes into plaster, brick/
masonry walls.
Heritage Blades Ideal for mortar removal
on thin joints and heritage restoration. Depth
35mm (1 3/8"), Width 3mm (1/8" )
Headjoint Blades Ideal for mortar removal
on vertical joints. Depth 75mm (3"), Width
7.2mm (9/32" )
Caulking Blades Ideal to remove caulking
between concrete panels. E.g Tilt up,
parking lots. *Available in 3 widths (1/2",
1" and 2").
XL General Purpose Blades Cutting depth
up to 170mm (6 3/4 " ) without overcutting.
Tuckpointing Blades Used for removing the
mortar between bricks in restoration work.
Max. cutting Depth 35mm (1 3/8")
3
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