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Idiomas disponibles
•
Start welding.
•
If desired, partly close the throttle valve to adjust the
airflow.
•
When the welding position changes, move the hood to the
correct position in relation to the weld.
•
Turn off the connected extraction device approx. 20
seconds after finishing welding
A
A = max. 480 mm
Fig. 5.2 Correct position of the hood
6
MAINTENANCE
6.1
Periodic maintenance
The product has been designed to function without
problems for a long time with a minimum of
maintenance. In order to guarantee this some simple, regular
maintenance and cleaning activities are required which are
described in this chapter.
WARNING!
Overdue maintenance can cause fire.
The indicated maintenance intervals can vary depending on
the specific working and ambient conditions. Therefore we
recommend to thoroughly inspect the complete product once
every year beside the indicated periodic maintenance. For this
purpose contact your supplier.
Component
Action
General
Outside of
Clean with a non-aggressive detergent
the arm
Flexible hoses
Check for cracks or damages. Replace
if necessary
Inside of the
Clean thoroughly
arm
Throttle valve
Check the functioning
Hood hinge
Check the horizontal and vertical
movement of the hood. If necessary,
clean the hood hinge or adjust the
friction; refer to paragraph 6.2.1
Rotating
Lubricate the axle; refer to paragraph
hinge
6.3
Steel cables
Check for wear
13. If you have an automatic start/stop (WL-AST or WCS), the extraction device
will stop automatically after a certain stop delay
0507270020/010921/A LFA 3.0 | 4.0 | 3.1 | 4.1
.
13
B = > 480 mm
Frequency:
every X
months
X=3
X=6
X
X
X
X
X
X
X
Component
Action
LFA 3.0 | LFA 4.0
Hinge points
Check and lubricate; refer to Fig. IV
(C) on page 61
Middle hinge
Check the friction. Adjust if necessary;
refer to Fig. IV (A) on page 61
LFA 3.1 | LFA 4.1
Hinge points
Check and lubricate; refer to Fig. V
(C) on page 62
Steel cable
Check and lubricate; refer to Fig. V
near the
(B) on page 62
balance wheel
Balance
Check the balance of the extraction
B
construction
arm. Adjust if necessary; refer to Fig.
V (A) on page 62
6.2
Balance system
If the extraction arm, or a part of it, does not stay in the
desired position, you must adjust the friction and/or balance
system.
To examine and adjust the balance system, do the following.
Fig. 6.1
•
Pull the arm (including the hood) into a horizontal position.
•
Fold the arm.
•
Move the arm and hood up and down, left and right in
straight and folded position.
Arm on mobile unit
Arm on wall brackets
Fig. 6.1 Arm in horizontal position
In case you can easily move the entire arm
(incl. the hood) and it stays in any position,
the balance system is correctly adjusted.
For adjustment of the extraction hood (C):
•
proceed with paragraph 6.2.1
For adjustment of the arm section (hood side) (B):
proceed with paragraph 6.2.2
•
For adjustment of the arm section (wall/unit side) (A):
proceed with paragraph 6.2.3
•
B
A
B
A
B
A
B
A
B
Frequency:
every X
months
X=3
X=6
X
X
X
X
X
C
C
C
C
EN | 8
