Powered by Safety
®
7
Installation
SM-1100
Ch 4 Installation
A. r
emovinG
the
o
ld
A
uXiliAry
S
Witch
A
SSemBly
And
i
nStAllinG
the
r
eplAcement
A
uXiliAry
S
Witch
A
SSemBly
1) Removing the Old Auxiliary Switch Assembly
Perform the following steps to replace the
auxiliary switch assembly:
CAUTION
CAUTION
!
Ensure that the control circuits are
deenergized and the circuit breaker is
deenergized, disconnected by means of a
visible break, and securely grounded. Do NOT
start to work on a closed circuit breaker or a
circuit breaker with the main closing spring
charged.
a. Remove the front cover of the circuit
breaker.
Figure 2
Auxiliary Switch Assembly Installed
a. Operations Counter
b. Auxiliary Switch
c. Mounting Bracket
a
b
c
b. Remove the “E” ring (Figure 3, b)
securing the switch operating arm to
the operations counter linkage.
Figure 3
“E” Ring Removal
a. Odd numbered terminals
b. “E” Ring
a
b
c. Remove the two 10 - 32
x 1⁄2”
R.H.
Machine Screws holding the auxiliary
switch to its mounting bracket and
remove the switch (Figure 4).
Figure 4
Removing Auxiliary Switch
a
b
a. 10 -32 Star Nut
b. 10 -32 x 1⁄2” R.H. Machine Screw
d. Disconnect the wires from the auxiliary
switch (Figure 5), being careful to note
which wires go to which terminal.
Note:
It is important to note that when
removing and replacing the auxiliary
switch that the position of the switch
will always be with the odd numbered
terminals facing up as shown in
Figure 3.
