ABB ZX2 - Emergency Manual Operation of the Three-Position Disconnect and the Disconnect

5. OPERATION 79

position disconnect and the disconnect
Operator control area of the three-position
disconnect mechanism
The operator control area of the three position
disconnect operating mechanism (fig. 5.5.2.1 and
5.5.2.2) consists of the mechanical switch
position indicators
1
for the grounding switch,
2
for the disconnect), the mechanical access
lock
3
and the hand crank receptacle
4
.
Operator control area of the disconnect
mechanism
The operator control area of the disconnect
operating mechanism (fig. 4.5.2.3) consists of the
mechanical switch position indicator
2
, the
mechanical access lock
3
and the hand crank
receptacle
4
.
—
Fig. 5.5.2.1:
Operator control area of
the three position dis-
connect mechanism with
the access lock closed
—
Fig. 5.5.2.2:
Operator control area of
the three position dis-
connect mechanism with
the access lock open
—
Fig. 5.5.2.3:
Operator control area
of the disconnect
mechanism with the
access lock open
2 1 3
1
Switch position indicator for the grounding
switch
2
Switch position indicator for the disconnect
3
Mechanical access lock
2
Switch position indicator
3
Mechanical access lock opened
4
Hand crank receptacle
4
Hand crank receptacle
4
2 4 3
—
Fig. 5.5.2.3
—
Fig. 5.5.2.2
—
Fig. 5.5.2.1