Wacker Neuson BTSSeries, Operator'S Manual, Page: 22 / 72

Safety precautions
SV00068GB
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4.6.4 The arbour hole (bore) of the cutting blade must fit the shaft exactly. If
the arbour hole is larger than the shaft diameter, a spacer ring must be
used.
4.6.5 Free-hand cutting blades with a blade diameter of 355 mm (14“) must
be approved for speeds of up to 4370 1/min (rpm) or80 m/s (260 ft./
sec); blades with a blade diameter of 300 mm (12“) must be approved
for speeds of up 5100 1/min (rpm) or 80 m/s (260 ft./sec).
4.6.6 The cutting blade must be free of defects (12). Make sure by sound
testing with a piece of wood. Do not use defective cutting discs.
Always tighten the cutting blade‘s mounting bolt to a torque of 30
Nm (22.2ft.lbs.). Otherwise, the cutting blade could warp.
4.6.7 Make sure you have a steady footing before starting the cutting blade.
4.6.8 Put the cut-off saw into operation only as described in this manual (13).
Always place your left foot in the rear handle and grasp the other
handle firmly (with thumb and fingers). Other starting methods are not
allowed.
4.6.9 When starting the cut-off saw it must be well supported and securely
held. The cutting blade must not be touching anything.
4.6.10 If the cutting blade 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 cutting blade, in case it is
defective and flies apart.
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