Certa CTPTDCSAWA, User Manual, Page: 9 / 40

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Cut-off discs are intended only for radial
loading, i.e. for cutting. Do not grind with the
sides of the cutting disc! This will break the
disc!
10
Caution!
Never change direction (turning radius less than 5
meters (16 feet), exert lateral (sideways) pressure or
tip the Certa Petrol Demolition Concrete Saw during
cutting!
11
• Use a cutting disc only for cutting the
materials it is intended for. The proper type of
disc must be used, for either metals or
masonry.
•
The arbour hole of the cutting disc must be an
exact fit with the arbour or shaft if the arbour
hole is larger, it must be fitted with an adapter
ring (available as an accessory).
•
The cutting disc must be rated for freehand
cutting at up to 4370 rpm or 80 m/sec for 350
mm discs or up to 5100 rpm or 80 m/s for 300
mm discs. Use only cutting discs that comply
with EN 12413, EN 13236.
• The disc must be free of defects. Do not use
defective cutting discs.
12
Always tighten the cutting disc mounting bolt to a torque of 30 Nm. Otherwise, the cutting
disc can twist.
• Before starting the cutting disc, make sure you have a steady footing.
• Put the Certa Petrol Demolition Concrete Saw
into operation only as described in this user
guide.
13
Always place your left foot in the rear
handle and grasp the other handle firmly (with
thumb and fingers). Other starling methods are
not allowed.
•
When starting the Certa Petrol Demolition
Concrete Saw it must be well supported and
securely held.
•
The cutting disc must not be touching anything.
•
If the cutting disc is new, test it by running it at least 60 seconds at top speed, when
doing this, make sure that no persons or body parts are in the extended swing range of
the disc, in case it is defective and flies apart.
•
When working with the Certa Petrol Demolition Concrete Saw always hold it with both
hands.
• Take the back handle with the right hand and the tubular handle with the left hand
Hold the handles tightly with your thumbs facing your fingers.