14
8 Service, Maintenance
When servicing the unit please observe the safety regulations in
chapter 4.
Retightening:
Screw connections must be checked and, if necessary, retightened after
1 hour of operation (after initial start-up) and then at regular intervals
(normally each month). On this occasion the specified torque must be
observed (see chapter 6).
Before starting inspection or service
work shut off the compressed air or
nitrogen supply and secure it
against unintended activation!
Check fastening of vibrator, air
connection incl. upstream service
unit and silencer – preferably at
monthly intervals.
Jan. / Feb. / ...
Mist lubricator:
With a lubricator connected in series
make sure that it works as specified
(contents diminishing? number of
drops/h?). Top up oil.
Filter:
Empty the filter when required, clean
the filter insert (wash out).
Cleaning
All NTS vibrators can be externally
cleaned with pressure water, as long
as the exhaust air is discharged
through a hose or the exhaust opening
is closed. Pressure water must not
enter through the silencer into the
piston chamber.
Contamination
Especially on oil free operated units
(NTS of group 1) a film may form,
which slows the vibrator down.
If this is noticed (power drop, possible
stand-still) the unit must be opened
and cleaned inside. The film must be
cleaned off with an oiled cloth from the
inside of the housing and from the
piston.
Further notes can be found in chapter
9 „Troubleshooting“.
The maintenance intervals mainly
depend on the purity of the
compressed air or nitrogen.
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