2) repetition of the laser manufacturer instructions for
setting and use of the laser (where appropriate).
v) information regarding the chip and dust extraction
equipment fitted to the machine as follows:
1) necessary airflow in m
3
h
-1
;
2) pressure drop at each dust extraction connection
outlet at the recommended conveying air velocity;
3) recommended conveying air velocity in the duct in m
s
-1
;
4) cross section dimensions and details of each
connection outlet.
w) information that during use the saw benches shall be
connected to an external chip and dust extraction
system;
NOTE External chip and dust extraction equipment with fixed
installations are dealt with in EN 12779:2004+A1: 2009.
x) instruction that the dust extraction equipment is to be
switched on before commencing machining;
y) information on how to perform maintenance including
the mechanical brake life and performance data, the
minimum life time of the friction coating and method for
replacement and that whenever possible maintenance
shall be only done if the machine is isolated from all
energy sources and involuntary restart is prevented;
z) information on how to perform safe cleaning and that
whenever possible safe cleaning shall be only done if
the machine is isolated from all energy sources and
involuntary restart is prevented;
cc) those safety devices which shall be tested, how
frequently the tests shall be carried out and the test
method. This shall include at least the following:
1) emergency stop(s) - by functional test;
2) interlocked guards - by opening each guard in turn