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7
Cutoff discs
- The protection hood must always be on! Change discs only
with the engine off!
- There are two basic types of cutoff discs:
- For metal (hot cutting)
- For masonry (cold cutting)
WARNING!
Never use carbide tipped, circular saw blades or any kind of wood
cutting blades. Never cut any type of wood. Reactive forces can
cause severe personal injury from blade contact or thrown tips.
NOTE: When using diamond cutoff discs, always make sure to observe
the "direction of rotation" markings. Diamond discs should only be
used for cutting masonry/brick/ concrete etc.
- Cutoff 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 /
5 1/2 yards), exert lateral (sideways) pressure, or tip the Power
Cut 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 arbor hole of the cutting disc must be an exact t with the arbor
or shaft. If the arbor hole is larger, it must be tted with an adapter
ring (available as an accessory).
- The cutting disc must be rated for freehand cutting at up to 3850
rpm or 80 m/sec for 400 mm discs, 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 (12). Do not use defective cutting
discs.
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 foot
-
ing.
- Put the Power Cut into operation only as described in this instruc-
tion manual (13). Always place your left foot in the rear handle and
grasp the other handle rmly (with thumb and ngers). Other starting
methods are not allowed.
- When starting the Power Cut 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 ies apart.
- When working with the Power Cut 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 ngers.
-
CAUTION: When you release the throttle lever the disc will
keep spinning for a short period of time (free-wheeling effect).
- Continuously ensure that you have a safe footing.
- Hold the Power Cut such that you will not breathe in the exhaust
gas. Do not work in closed rooms or in deep holes or ditches (danger
of poisoning by fumes).
- Switch off the Power Cut immediately if you observe any
changes in its operating behavior.
-
Switch off the engine before inspecting the V-belt tension or
tightening it, replacing the cutting wheel, repositioning the cutter
attachment (side or middle position) or eliminating faults (14).
- Turn off the engine immediately and check the disc if you hear or
feel any change in cutting behaviour.
- Turn off the Power Cut when taking a break or stopping work (14).
Place the unit in such a way that the disc is not touching anything
and cannot endanger anyone.
- Do not put the overheated Power Cut in dry grass or on any inam
-
mable objects. The mufer is very hot (danger of re).
-
IMPORTANT: After wet cutting, rst turn off the water feed and then
let the disc run at least 30 seconds, to ing off the remaining water
and prevent corrosion.
10
11
13
12
min. 5 m
14
●Maintenance
●Refuelling
●Changing cutoff discs
● Repositioning the
cutting attachment
●Stopping work
●Transport
●Putting out of function