ABB DCGear Product Manual page 20

20 D C G e a r
To move the trolley from test position to
service position, it needs to move the lever to
the direction like witch shows in the picture. It
frees the trolley to shuttle.
The left picture shows that the trolley which is
in service position is locked and the HSCB is
allowed to be closed. When the trolley reachs
the position, it is needed to move the lever to
the direction of which the picture shows before
closing the HSCB.
P R O D U C T M A N U A L
The lower locker is used to lock the service position
as be showed in picture above, rotating the key
will cause the latch to be plugged into the notch
on the cam to lock the route. Therefore, before
the trolley wants to go, it has to unlock the
locker first.
For the trolley to shuttle from test to service,
inserting the lever into the cam and operate it
in a vertical way. Test position is in left picture
and service in right. To make sure if the trolley
has reached the right position, either of the
locker should could be locked (latch into the
notch).