Ambient conditions
LORCH
3 Safety precautions
~~~~~~~~~~~~~
Hazard-free working with the machine is
only possible if you read the operating and
safety instructions
co
mpletely and strictly
observe them.
Please obtain practical training before
us-
ing the machine for the
fi
rst time. Heed the
safety regulation
(UVV").
Remove all solvents, degreasers. and other
flammable materials from the weld
in
g area
before welding. Non-movable flammable
materials must be covered.
Only weld
if
the
ambient air contains no high
concentra-
tions
of
dust, acid vapours, gases or flam-
mab
le substances. Special care must
be
taken during repair work on pipe systems
and tanks which contain or have contained
flammable liquids
or
gases.
Never
touch live parts inside
or
outside
of
the housing. Never touch welding elec-
trod
es
or live
we
lding current parts in a
machine that is on.
Do
not
expose the machine
to
rain; do not
clean with sprays
or
steam jets.
Always use a protection shield when
we
ld-
ing. Warn anyone in the
wo
rk
area about
th
e dangers or arc rays.
Plea
se
use a suitable extraction system for
gases
and cutti
ng
vapours.
Always
wear
breathing apparatus when-
ever there is a risk
of
inhaling welding or
cutting fumes.
If the power cable is damaged or severed
while working, do not touch the cable, but
im-
media
te
ly pull out the mains plu
g.
Never use
a machi
ne
if the mains cable is damaged.
Keep a fire extinguisher near the welding
area.
Check
the
weldi
ng
area
fo
r
fi
re after
we
ldi
ng
(see UW '
).
Never t
ry
to disassemble the pressu
re
reducer. Replace
th
e pressure
re
ducer
if
faulty.
The machine must be transported
or
set up
only on
fi
rm
, level surfaces.
T
he
ma
xi
mum admissible angle
of
inclina-
tion
fo
r se
tt
ing up or transporting is 1 o
·.
0 Service and
re
;p
air work may only be car
ri
ed out by a
trained electrician.
0 Ensure that the
re
is good direct contact
for
the ground
cable immed
iat
ely beside the weld poin
t.
Do not pass
10.
13
the welding current through chains, ball bearings,
steel cabl
es,
grounding conductors, etc., as it could
cause these to melt.
0 Secure yourself and the welding machine
wh
en work-
ing in elevated or inclined areas.
0 The m
ac
hine should be con
nec
ted only to a prope
rl
y
grounded mains suppl
y.
(Three-phase four-wire sys-
tem with grounded neutral
co
nductor or single phase-
thr
ee-wi
re
system with grounded neutral conductor)
socket and extension cable must have a functional
protective conductor.
D Wear protective clothing, l
eat
her gloves and leather
apron.
D Protect the
we
lding area with curtains or
mob
ile
screens.
D Do not use welding equipment to
th
aw out frozen wa-
ter pipes or lines.
D In closed
co
ntainers, under cramped
co
nditions, and
in high electrical risk areas, only use machines with
the
S sign.
0 When taking a break, switch off the machine and
close the valve on the gas
cy
linder.
D Secure the gas cylinder with a chain lo prevent it fall-
ing ove
r.
D Disconnect the mains plug from the mains before
changing the place
of
installa
ti
on or making
re
pairs
to
the machine.
*) Only appli
ca
ble for German
y.
Can be
or
dered from
Carl Heymanns-
Ve
rlag, Luxemburger Sir. 449, 50939
Koln.
Please heed the safety
re
gulati
ons
which apply to your
country.
Subject
to
change.
4 Ambient conditions
Temperature range of ambient air:
in operation: -20 °C
..
. +40 °c (-4 °F
..
. +104 °F)
transport and storage: -25 •c
..
. +55 •c (-13 "F
..
. +131
"F)
Relative humidity:
up to
so
% at 40 •c
(1
04 "F)
up to 90 % at 20 "C (68 "F)
~
Operation, storage and transport may only
be carries out within the ranges indicated!
Use
outside of this range is considered not
used with its intended purpose. The
manu-
facturer is not liable
for
damages cause by
misuse.
Am
bient air must be free of dust, acids, corrosive gases
or other damag
in
g substances!
- 5 -
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