CAS-8 OPERATING MECHANISM
MAGNETIC
MECHANICAL THROTTLE
ADJUSTMENT
PI L
0 T
VALVE
AUTOMATIC
INTAKE VALVE
OPERATING ROD
OPERATING
LEVER STOP
MANUAL
TRIP ROD
PILOT VALVE
EXHAUST VALVE
AIR EXHAUST
FIG. 2.
Type CAS-8 Operating Mechanism
Manual Closing.
For closing the mechanism
by hand, a manual closing device is available. To
close the breaker, it is attached to the lower end of
the piston rod which also serves as a guide for the
piston (see Fig. l ) . It should always be removed
when the breaker is to be operated by air, or tripped
from the closed position. An external tripping handle
is also provided on one side of the housing.
Auxiliary Switches.
A 10-pole and a 2-pole
type W multi-contact rotary auxiliari switch, each in
dependently adjusted and mechanically connected
to operate with the breaker contacts is supplied for
signal lights and other control circuits. Contacts not
used for breaker control can be set to close or open
as the breaker closes.
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