24
MOUNTING AND OPERATION MANUAL INDOOR AIR SWITCH-DISCONNECTOR, NAL/NALF/VR
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10.0 Adjustment of the hand
operating, mechanism type HE
Opening
1. Make sure that all doors of station are closed.
2. Remove the padlock securing manual drive of
switch-disconnector (if used),
3. Apply lever on the knurled shaft of manual
drive of the switch-disconnector,
4. Pull the locking ring S (Fig.17)
5. Turn the lever in the opening direction -
according to the information shown on the
information label; rotation should be
performed until the end, until the locking
ring snaps into the locked position of the
manual drive.
6. Check whether all poles of the switch-
disconnector have opened correctly
(Fig. 105).
7. Remove the lever from the manual drive and
secure it with a padlock (if used).
8. If the switch-disconnector is equipped with
earthing switch, closing of earthing switch
can take place only after confirming that the
switch-disconnector is in open position
(Fig. 105).
10.1 Adjustment of the hand operating,
mechanism type HE
10.2 K-mechanism. Fig.32
Closing
1. If the switch-disconnector is equipped with
earthing switch, be sure that it is in the open
position (Fig. 105)
2. Make sure that all doors of the station are
closed.
3. Remove the padlock securing manual drive of
the switch-disconnector (if used),
4. Apply lever on the knurled shaft of manual
drive of the switch-disconnector.
5. Pull the locking ring S (Fig. 17.).
6. Turn the lever in the closing direction -
according to the information shown on the
information label; rotation should be
performed until the end - until the locking
ring snaps into the locked position of the
manual drive.
7. Check whether all poles of the switch-
disconnector have closed correctly (Fig.105).
8. Remove the lever from manual drive and
secure it with a padlock (if used).
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32 Switch-disconnector type NAL/VR with Kmechanism
—
33 Switch-disconnector type NAL/VR with Amechanism
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