![background image](http://html1.mh-extra.com/html/eaton/cutler-hammer-chgenlc100ats1se/cutler-hammer-chgenlc100ats1se_o-and-m-manual_4016462032.webp)
Instructional Booklet
Page
32
Effective: August 2007
O & M Manual for the CHGENLC Automatic
Transfer Switch with ATC-100 Control
For more information visit: www.eaton.com
IB00405002E
Step 8:
Apply utility (Source 1) power and place the generator
control selector switch in the “AUTO” position after the
service entrance breaker lugs have been replaced. Test
the system for proper functionality.
7.4.1.12 Generator Breaker Lugs (100A and 200A)
Figure 50. Location of the Generator Breaker Lugs.
Step 1:
Turn the utility (Source 1) power off and turn the genera-
tor (Source 2) control selector switch to “OFF” position
before attempting to replace the generator breaker’s line
side lugs.
Step 2:
Remove the generator breaker from the ATS by following
steps 1 through 5 in Section 7.4.1.10.
Step 3:
Working from the rear of the generator breaker, remove
the two (2) screws securing the lugs to the stabs using a
Phillips screwdriver (See fig. 51)
Figure 51. Location of the Screws Securing the Lugs to the Stabs.
Step 4:
Remove the lugs from the stabs.
Step 5:
Slide the new lugs over the stabs until the holes in each
are aligned.
Step 6:
Secure the new lugs to the stabs using the hardware.
Step 7:
Reinstall the generator breaker in the ATS by following
the steps 6 through 10 in Section 7.4.1.10.
Step 8:
Apply utility (Source 1) power and place the generator
(Source 2) control selector switch in the “AUTO” position
after the generator breaker lugs have been replaced. Test
the system for proper functionality.
7.4.1.13 Service Entrance Cover (Service Entrance Breaker and
Generator breaker)
Figure 52. Service Entrance Cover Installed on the ATS Door.
Step 1:
Turn the utility (Source 1) power off and turn the genera-
tor (Source 2) control selector switch to the “OFF” posi-
tion before attempting to replace the service entrance
cover.
Step 2:
Open the service entrance cover door.
Step 3:
Remove the three (3) screws securing the service
entrance cover to the ATS door using a blade screw-
driver or 0.25 in. nut driver (see Figure 53). Remove the
service entrance cover.
BREAKER LUGS
SCREW
SCREW