Maintenance; Periodic Maintenance; Troubleshooting - PLYMOVENT MNF Manual De Instalación Y De Uso

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.
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.
6

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. 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.
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.
6.1

Periodic maintenance

The maintenance activities in the table below can be carried out
by the user.
0507280010/010219/F MNF
m
0 c
– 8
4 0
Component Action
Housing Clean the outside of the fan
with a mild detergent.
Fan Check the fan and the fan
housing for encrusted
particles. Clean if necessary.
Check the sealing material of
the fan. Replace if
necessary.
Hose(s) Check the connected
hose(s) for damages.
Replace if necessary.
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!
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
Motor does Machine does
not start not function
Motor makes Machine does
a humming not function
sound, but
does not run
Motor stops Machine does
automatically not function
Poor Machine does
extraction not function
capacity properly
Vibrations in Machine not
the machine steady
Frequency
Before Every 12
every months
use
X
X
X
X
Possible cause Solution
No mains Check the mains
voltage voltage
Mains cord Repair or replace
defective mains cord
Loose contacts Repair the contacts
Motor protection Replace the motor
switch defective protection switch
Motor defective Repair or replace
motor
Motor uses 2 Repair the phase
phases instead connection
of 3 (three-
phase motor
only)
Motor capacitor Repair or replace the
defective/not motor capacitor
connected
(single phase
motor only)
Motor protection Let the machine cool
switch activated down for some time.
Check setting of
motor protection
switch (MPS)
according to
electrical diagram.
Motor defective Repair or replace the
motor
Inverted Change the direction
direction of of rotation
rotation of the
motor (three-
phase motor
only)
Motor defective Repair or replace the
motor
Extraction fan Clean the extraction
polluted fan
Outside air is Check or replace the
being extracted sealing material
Imbalance in Clean the extraction
the extraction fan
fan
EN - 6