NetterVibration NEA Series Operating Instructions Manual page 21

Start-up and operation
Procedure:
1.
2.
3.
4.
5.
6.
The tables below show the type of unbalance and the number of unbal-
Number of
ances per vibrator at the default setting of 100%:
unbalances
Switch off the NEA/NEG at the main switch, secure against uninten-
tional starting and ensure that there is no voltage.
Loosen both unbalance covers.
Loosen the locking nuts or locking screws.
Bring the unbalances to the desired setting according to the following
descriptions for the various unbalance discs. Note the mirror-
symmetrical setting.
Retighten the locking nuts or locking screws. Observe the recom-
mended tightening torques, see chap. Technical data, from page 11
Fasten both covers for the unbalances.
Type: Unbalance
Type
NEA
504 XL
5020 XL
5050 XL
5060 XLs
50120 XLs
50200 XLs
50300 XLs
50550 XLs
50770 XLs
2530 XLs
2570 XLs
25210 XS
25420 XS
25540 XS
25700 XS
Type:
Quantity
NEG
50 Hz 60 Hz
8 8 5020
8 8 5050
18 18 5060
4 4 50120
6 6 50200
10 8 50300
8 6 50550
10 6 50770
8 6 501140
6 6 501540
16 10 501800
4 4 502020
4 4 502270
4 4 503400
4 4 503820
506220
508830
Unbalance
Type Quantity
50 Hz 60 Hz
XL 8 8
XL 18 18
XLs 4 4
XLs 6 6
XLs 10 8
XLs 8 6
XLs 10 6
XLs 8 6
XLs 12 8
XLs 12 8
XLs 14 10
XLs 16 10
XLs 18 12
XLs 12 8
XLs 14 10
XS 4 4
XS 4 4
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