A
Fig. 6.5
Hinge of the wall/unit side
6.3
Lubrication of the rotating hinge
To make sure that the rotating hinge can turn freely, you must
lubricate the axle regularly.
Fig. 6.6
•
(B) Apply grease into the grease nipple with a grease gun.
Recommended grease type: standard EP2 bearing grease
Fig. 6.6
Lubrication of the rotating hinge
7
TROUBLESHOOTING
If the product does not function (correctly), consult
the checklist below to see if you can remedy the
error yourself. Should this not be possible, contact
your supplier.
WARNING!
Obey the safety regulations that are written in
chapter 3 when you carry out the activities below.
Symptom
Problem
General
Extraction
Pollution of
capacity is
the facility
insufficient
0507270020/010921/A LFA 3.0 | 4.0 | 3.1 | 4.1
B
B
Possible
Solution
cause
Throttle valve is
Open the throttle
closed
valve
Flexible hose(s)
Replace flexible
torn or loose
hose(s) or install
correctly
Rubber seal(s)
Replace rubber
torn or installed
seal(s) or install
incorrectly
correctly
Outside air is
Make the duct
extracted into
system airtight
the connected
duct system
Symptom
Problem
Extraction
Hood does
hood not in
not stay in
balance
the desired
position
You cannot
move the
hood in the
desired
position
Entire arm
Arm does not
(both arm
stay in the
sections) falls
desired
down
position
LFA 3.0 | LFA 4.0
Extraction
Arm does not
arm creaks or
move
squeaks
smoothly
Movement
Friction in the
problem of
middle hinge
the hood side
of the arm
LFA 3.1 | LFA 4.1
Extraction
Arm does not
arm creaks or
move
squeaks
smoothly;
excessive
wear of parts
The hood side
Arm does not
of the arm
stay in the
falls down
desired
position
8
SPARE PARTS
The following spare parts are available for the
products;
8.1
LFA 3.0 | LFA 4.0
Refer to exploded view Fig. VI on page 63 and the spare
parts list on page 64
8.2
LFA 3.1 | LFA 4.1
Refer to exploded view Fig. VII on page 65 and the spare
parts list on page 66
9
DISPOSAL
After life of the product, dispose of it in accordance
with federal, state or local regulations.
Possible
Solution
cause
Not enough
Adjust the friction
friction
of the hood hinge;
refer to paragraph
6.2.1
Too much
friction
Spring tension
Increase the spring
too low
tension of the hinge
at the wall/unit
side; refer to
paragraph 6.2.3
Insufficient
Lubricate the hinge
lubrication
points; refer to Fig.
IV (C) on page
61
Not enough
Adjust the friction
friction due to
in the middle
aging
hinge; refer to
paragraph 6.2.2
Too much
(LFA 3.0 and LFA
friction
4.0 arms)
Too much
Clean the friction
friction due to
mechanism in the
pollution
middle hinge
Insufficient
Lubricate the hinge
lubrication
points; refer to Fig.
V (C) on page 62
Lubricate the steel
cable near the
balance wheel;
refer to Fig. V (B)
on page 62
Spring tension
Increase the spring
too low
tension; refer to
paragraph 6.2.2
(LFA 3.1 and LFA
4.1 arms)
EN | 10