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8
Installation
Motor Cutoff Switch Assembly
SM-1500
Figure 4
Cut Tie Wrap Holding Wire Harness to
Motor Cutoff Switch Wires
Figure 5
Disconnect Wires from Motor Cutoff
Switch
2) Installing the New Motor Cutoff Switch
Assembly into the Circuit Breaker
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.
Perform the following steps to install the new
motor cutoff switch assembly:
a. Remove the front cover of the circuit
breaker.
b. Elevate and secure the circuit breaker
so that there is at least 6 inches of clear
space below the base pan of the circuit
breaker.
c. Once the circuit breaker is stable and
secure, position the new motor cutoff
switch on the base pan and apply
LockTite 242 or equal to the two
(2) 1⁄4 - 20 x 3⁄4
” hex head bolts. Replace
the two (2) 1⁄4 - 20 flat washers and insert
from underneath the circuit breaker
base pan (Figure 6, b).
