Use - Lincoln Electric LFA 3.0 Manual De Instalación Y De Uso

Fig. 4.8
• Install the rotating hinge (A) on the mounting brackets (C)
of the extension crane with the hexagon-head bolts and
the washers. Make sure that:
- the cable lead-through hole (E) is situated at the side of
the crane; and
- the long end of the pin (D) is pointing to the front, in line
with the cable lead-through hole (E)
Fig. 4.8 Rotating hinge on crane
To install the arm on the rotating hinge:
• proceed with the instructions of Fig. 4.5 and further
4.4.4 Mounting of the hood
WARNING
Leave the tape around the two arm sections until
you have installed the hood.
Fig. 4.9
• Slide a rubber seal over the end of the arm section.
• Fold back 2/3 of the seal.
• Put the flexible hose and the other seal (in that sequence)
temporarily over the end of the arm section (hood side).
• Install the hood on the U-section (A) with the bolt and nut.
In case the extraction arm is provided with a working light
(WL) or a working light with automatic start/stop (WL-AST),
you must now connect the supply cable. For this purpose refer
to the corresponding manual.
• Slide the hose on the arm section. Make sure that at least
one metal ring of the hose covers the ridges of the tube.
• Slide the other side of the hose over the rim of the hood.
Make sure that at least one metal ring of the hose covers
the ridges of the hood.
• Make the connections airtight with the rubber seals.
0507270020/010921/A LFA 3.0 | 4.0 | 3.1 | 4.1
A
Fig. 4.9 Mounting of the hood
• Remove the tape that connects the two arm sections.
• Install the flexible hoses on the arm sections and make the
connections airtight with the rubber seals.
5

USE

Personal protective equipment (PPE)
During use, use PPE to avoid injury. This
also applies for persons who enter the work
area.
5.1 Controls
The hood of the arm is provided with a handle for easy
positioning and a throttle valve to regulate the airflow. All
movement of the arm is controlled from the hood.
Fig. 5.1
A Throttle valve
B Handle
Fig. 5.1 Controls
5.2 Use
Fig. 5.2
• Use the handle (ref. Fig. 5.1B) to position the hood of the
arm at max. 480 mm (19 in.) from the source of pollution.
• Make sure that the throttle valve (ref. Fig. 5.1A) is open.
• If present / desired:
Turn on the working light.
• Turn on the connected extraction device
11. Such as a mobile welding fume extractor, an extraction fan or extraction
system
12. If you have an automatic start/stop (WL-AST or WCS), the extraction device
will start automatically when you start welding
.
11 12
EN | 7