CIRCUITBREAKERSHOPREPAIRSOW.doc

USNS PECOS

(T-AO 197)

ELECTRICAL

25 OCT 2018

CIRCUIT BREAKER SHOP EVALUATION AND TESTING

1.0 ABSTRACT

1.1 This items covers the OEM shop evaluation and repair of two (2) Federal Pioneer 100H-3 circuit breakers.

2.0 REFERENCES/ENCLOSURES: None

2.0 ITEM LOCATION/DESCRIPTION/QUANTITY

3.1 LOCATION/QUANTITY

3.1.1 Qty (1) –Circuit Breaker, Federal Pioneer 100H-3, 4000 Amp Interrupting Rating, Serial No. BH28356-84

3.1.2 Qty (1) –Circuit Breaker, Federal Pioneer 100H-3, 4000 Amp Interrupting Rating, Serial No. SN# BH31546-86

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4.1.3 Qty (1) – Circuit Breaker, Federal Pioneer 100H-3, 4000 Amp Interrupting Rating, Serial No. SN# BH31546-84

4.1.4 Qty (1) - Circuit Breaker, Federal Pioneer 100H-3, 4000 Amp Interrupting Rating, Serial No. SN# BH31546-86.

5.0 NOTES:

5.1 The contractor shall provide return shipping to:

N40443 MSC SSU BATS SAN DIEGO

9284 BALBOA AVE.

SAN DIEGO CA 92123

ATTN: USNS PECOS (T-AO 197)

5.2 Finished circuit breakers are to be crated in wood for international shipping using shock absorbing materials and anti-static foam inserts

6.0 QUALITITY ASSURANCE REQUIREMENTS: None Additional.

7.0 STATEMENT OF WORK REQUIRED

7.1 The repair facility shall test and evaluate and overhaul the circuit breakers listed in para. 3.0 to restore to designed operating parameters.

7.1.1 Clean the insulating parts including the bushings

7.1.2 Check and adjust the alignment of the movable and stationary contacts

7.1.3 Ensure that all bolts, nuts, washers, cotter pins and terminal connections are in place and tight.

7.1.4 Check arc chutes for any damage.

7.1.5 Clean and lubricate the operating mechanism. Adjust as required to within manufacturers tolerances.

7.1.6 After servicing check that the contacts move to the fully opened and fully closed positions without any binding.

7.2 Install replacement trip unit AC-Pro ACM-H1-33-VL-4000

7.3 Operationally test the finished circuit breakers. Test should include primary injection test measuring long time delay short time delay and instantaneous delay. Provide test report.

8.0 GENERAL REQUIREMENTS : None