NHTSA ID Number: 10245676
Manufacturer Communication Number: TSB230102
TSB/Document Date: 2023-12-01
Summary
This Technical Service Bulletin describes the verification and resolution of issue of some units of Schneider Electric has notified Cummins
Inc. that a population of PowerPact L 250-600A Molded Case Circuit Breakers (MCCB) may contain a nonconforming component in the mechanism that may result in the circuit breaker not operating as intended under certain conditions. Cummins Inc. is campaigning these generator sets and transfer switches to implement a Product Notice PRB-233066 issued by Schneider Electric. This is an update to the previously submitted communication.
S | Technical Service Bulletin
Technical Service Bulletin: TSB230102 | Released Date: 01-Nov-2023
Cummins Field Action Campaign #4776: Repair of PowerPact L 250A-600A Molded Case
Circuit Breakers, from Schneider Electric.
Cummins Field Action Campaign #4776: Repair of
PowerPact L 250A-600A Molded Case Circuit Breakers,
from Schneider Electric.
Warranty Statement
The information in this document has no effect on present warranty coverage or repair practices, nor does it
authorize TRP or Campaign actions.
Contents
Product Affected
¢ C70D2RE
¢ C100D2RE
Issue
Schneider Electric has notified Cummins Inc. that a population of PowerPact L 250-600A Molded Case
Circuit Breakers (MCCB) may contain a nonconforming component in the mechanism that may result in the
circuit breaker not operating as intended under certain conditions. Cummins Inc. is campaigning these
generator sets and transfer switches to implement a Product Notice PRB-233066 issued by Schneider
Electric.
Verification/Confirmation
For verification and confirmation of this issue, refer to TSB230101
Resolution
Impacted breakers will need to be repaired according to the repair procedure provided by Schneider
Electric. Refer to Service Instructions section for repair steps.
Before performing a repair on the breaker, complete the CVC training at the URL below.
Training link: https://iam.cumminsvirtualcollege.com/?myCN%3D6480%26myLang%3Den
=a r= sv || por |Show/ 10 ~)entries
Course . Course Course
2 Time Type
17101953
Figure 1, CVC Training Course
Service Instructions
1. Breakers which are identified as impacted based on the date code will need to be repaired. UTA testers
have been sent to branches for breaker repair. See - UTA Tester Rollout/Breaker Remediation Plan below
the repair steps.
UTA Tester Rollout/Breaker Remediation Plan:
e Branches receiving a UTA tester will perform the breaker repair/remediation on the same service.
¢ Once all the repairs for that location are completed, return the UTA tester to Dianne Adubato — see
contact details below.
e UTA Testers will be rolled out based on branches having the most affected units
¢ Only 85 Testers available currently
e Schneider in process of acquiring more
e UTA tester logistics to be managed by Schneider
© Contact for UTA testers:
= Dianne Adubato
= 980-229-3804
= [email protected]
¢ UTA tester will be shipped with a bag of “Hammers”.
© Contact Dianne to get Test Kit if your branch does not have one.
o Dianne Adubato is also the contact for reordering any hammers.
Table 1, UTA Test Kit Locations
Location Count of Location Name UTA Testers
HENDERSON CO BRANCH 512 2
Table 1, UTA Test Kit Locations
Location Count of Location Name UTA Testers
IRVINE CA POWER GEN 343 2
BRISTOL PA BRANCH 306 2
HOUSTON TX BRANCH 211 1
GRAND RAPIDS MI BRANCH 194 1
DALLAS TX BRANCH 184 1
BRONX NY BRANCH 183 1
MILWAUKEE WI BRANCH 159 1
DEDHAM MA BRANCH 147 1
CINCINNATI OH BRANCH 145 1
NEW HUDSON MI BRANCH 142 1
ROCKY HILL CT BRANCH 125 1
PHOENIX AZ BRANCH 112 1
SUMNER WA BRANCH 112 1
OKLAHOMA CITY OK BRANCH | 110 1
NEW ORLEANS LA BRANCH 110 1
MEMPHIS TN BRANCH 106 1
PITTSBURGH PA BRANCH 104 1
ATLANTA GA BRANCH 103 1
GRAND JUNCTION CO 401 4
BRANCH
CHICAGO IL BRANCH 96 1
ORLANDO FL BRANCH 93 1
CLEVELAND OH BRANCH 92 1
GREENSBORO NC BRANCH 84 1
JACKSON MS BRANCH 84 1
MISSISSAUGA ON BRANCH 83 1
AUSTIN TX BRANCH 82 1
INDIANAPOLIS IN BRANCH 81 1
SALT LAKE CITY UT BRANCH 78 1
SYRACUSE NY BRANCH 78 1
SURREY BC BRANCH 77 1
ALBUQUERQUE NM BRANCH 76 1
ST PAUL MN BRANCH 76 1
KEARNY NJ BRANCH 74 1
BIRMINGHAM AL BRANCH 72 1
SCARBOROUGH ME BRANCH 70 1
Table 1, UTA Test Kit Locations
Location Count of Location Name UTA Testers
LAS VEGAS NV BRANCH 67 1
BALTIMORE MD BRANCH 66 1
SAN ANTONIO TX BRANCH 62 1
AMARILLO TX BRANCH 61 1
CHARLESTON SC BRANCH 61 1
PORTLAND OR BRANCH 60 1
SANTA FE SPRINGS CABRCH | 58 1
BUFFALO NY BRANCH 57 1
LOUISVILLE KY BRANCH 57 1
CHARLOTTE NC BRANCH 57 1
OMAHA NE BRANCH 55 1
JACKSONVILLE FL BRANCH 52 1
CHESAPEAKE VA BRANCH 52 1
GREEN BAY WI BRANCH 52 1
ALBANY NY BRANCH 51 1
LAKE CHARLES LA BRANCH 51 1
COBURG OR BRANCH 51 1
HARRISBURG PA BRANCH 50 1
TULSA OK BRANCH 50 1
NORMAL IL BRANCH 50 1
SAVANNAH GA BRANCH 48 1
COLUMBIA SC BRANCH 45 1
COLUMBUS OH BRANCH 44 1
MIAMI FL BRANCH 43 1
LITTLE ROCK AR BRANCH 41 1
CROSS LANES WV BRANCH 40 1
SASKATOON SK BRANCH 38 1
TAMPA FL BRANCH 38 1
CUMMINS CARIBBEAN, LLC. 37 1
SHREVEPORT LA BRANCH 36 1
SUCC. DE CANDIAC 34 1
FENTON MO BRANCH 34 1
SACRAMENTO CA BRANCH 33 1
FRESNO CA BRANCH 32 1
EVANSVILLE IN BRANCH 30 1
SAGINAW MI BRANCH 30 1
Table 1, UTA Test Kit Locations
Location Count of Location Name UTA Testers
CORPUS CHRISTI TX BRANCH | 30 1
FAIRMONT BRANCH 30 1
REGINA SK BRANCH 30 1
WICHITA KS BRANCH 29 1
KENLY NC BRANCH 29 1
MOBILE AL BRANCH 28 1
ROANOKE VA BRANCH 28 1
FARGO ND BRANCH 27 1
DARTMOUTH NS BRANCH 27 1
BOISE ID BRANCH 27 1
2. Follow the steps below to perform repairs as soon as the CVC training is complete and UTA tester
becomes available. If a UTA tester is not available, contact Dianne Adubato. See contact below under “UTA
Tester Rollout/Breaker Remediation Plan”.
2a. Lock out tag out (LOTO) the unit
2b. Open the plastic guard on the breaker and place the breaker in manual.
17101713
Figure 2, MCCB Location
2c. Loosen screw and allow breaker to open.
17101714
Figure 3, Mounting Screw Location
1. Plastic Cover
2d. Insert a small flat screwdriver and remove SDE terminal block.
\\
Figure 4, SDE Terminal Block Location
2e. Remove all six screws and set the assembly to the side.
17101716
Figure 5, MCCB Mounting Screw Locations
Note: For the below steps reference Schneider's PowerPact L Hammer Replacement Instructions at this
URL:
https://articulateusercontent.com/rise/courses/QH9nxmrrKAl_ywe7134xwlczQcbaLqk6/H6wS_vXaU4h8S5u
Powerpact%2520L %2520-%2520NAM%25200rchid%2520V3%2520Instructions%252011_9_2021.pdf
2f. Remove SDE adapter by following instructions on page 8 of Schneider's PowerPact L Hammer
Replacement Instructions located in the training and at the URL below.
2g. Remove Hammer by following instructions on page 10 of Schneider's PowerPact L Hammer
Replacement Instructions located in the training.
2h. Install the new hammer and reinstall the SDE adapter by following instructions on page 11 through 13
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TSB/Document ID: TSB230102
Replacement Service Bulletin Number:
MFR Communication Date: 2023-11-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:ELECTRICAL
MFR Component System:
MFR Component Subsystem:
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