Plymovent 7020-MNF, Руководство пользователя

Страница: 7 / 36

0507280010/010312/E MNF EN - 6
Fig. 5.1
•
Position the extraction nozzle at 40 to 80 cm from the source
of pollution.
Fig. 5.1: Position of nozzle
• Press the ON button on the motor protection switch to put
the fan in operation.
• Start welding.
• Press the OFF button approx. 20 seconds after finishing
welding.
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. If you
observe the necessary caution and carry out the maintenance at
regular intervals, any problems occuring will be detected and
corrected before they lead to a total breakdown.
The indicated maintenance intervals can vary depending on the
specific working and ambient conditions. Therefore it is
recommended to thoroughly inspect the complete product once
every year beside the indicated periodic maintenance. For this
purpose contact your supplier.
6.1 Periodic maintenance
The maintenance activities in the table below can be carried out
by the user.
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!
It is recommended to exhaust the extracted air to the
atmosphere. The air may only be exhausted to an
adjacent working area provided this area is sufficiently
ventilated and the background concentration of
welding fume stays below the legally prescribed level.
Stay away from the outlet while the fan is running.
Avoid any person to look in the outlet opening or
exhaust hose or to breathe the exhausted air.
6 MAINTENANCE
WARNING!
Overdue maintenance can cause fire.
WARNING!
Always fully disconnect the machine from the mains
before carrying out maintenance jobs as mentioned
below. First read the maintenance regulations at the
beginning of this manual.
40 – 80 cm
Component Action Frequency
Before
every
use
Every 12
months
Housing Clean the outside of the fan
with a mild detergent.
X
Fan Check the fan and the fan
housing for encrusted
particles. Clean if necessary.
X
Check the sealing material of
the fan. Replace if
necessary.
X
Hose(s) Check the connected
hose(s) for damages.
Replace if necessary.
X
7 TROUBLESHOOTING
WARNING!
Always switch off the machine and disconnect it from
the mains before carrying out the activities below.
First read the maintenance regulations at the
beginning of this manual.
Symptom Problem Possible cause Solution
Motor does
not start.
Machine does
not function.
No mains
voltage.
Check the mains
voltage.
Mains cord
defective.
Repair or replace
mains cord.
Loose contacts. Repair the contacts.
Motor protection
switch
defective.
Replace the motor
protection switch.
Motor defective. Repair or replace
motor.
Motor makes
a humming
sound, but
does not run.
Machine does
not function.
Motor uses 2
phases instead
of 3 (three-
phase motor
only).
Repair the phase
connection.
Motor capacitor
defective/not
connected
(single phase
motor only).
Repair or replace the
motor capacitor.
Motor stops
automatically.
Machine does
not function.
Motor protection
switch
activated.
Let the machine cool
down for some time.
Check setting of
motor protection
switch (MPS)
according to
electrical diagram.
Motor defective. Repair or replace the
motor.
Poor suction. Machine does
not function
properly.
Inverted
direction of
rotation of the
motor (three-
phase motor
only).
Change the direction
of rotation.
Motor defective. Repair or replace the
motor.
Extraction fan
polluted.
Clean the extraction
fan.
Outside air is
being extracted.
Check or replace the
sealing material.
Vibrations in
the machine.
Machine not
steady.
Imbalance in
the extraction
fan.
Clean the extraction
fan.