TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 484 of 858
TM 9-2350-277-20-1 NO POWER FROM UPS POWER EXTENSION BOX A18 (M1068A3 ONLY)—Continued 0098 00 T 1. Open front cover on ATCCS UPS Storage Box and remove cable W251 plug P1 (1) from UPS jack AC OUT. 2. Remove cable W251 plug P2 (2) from UPS Power Extension Box A18 jack J6 (3). 3. Measure resistance between pins of plugs P1 (1) and P2 (2) of cable W251 as follows: P1 pin A to P2 socket A P1 pin B to P2 socket B P1 pin C to P2 socket C 4. Does multimeter read 0 ohms for each measurement? YES NO TN 1. Replace cable W251 (WP 0852 00). 2. Verify no faults found. 0098 00-2