TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 446 of 1236
TM 9-2350-261-20-1 NO AC/DC INPUT TO ATCCS UPS POWER BOX (M1068 ONLY) — Continued 0080 00 4Y 1. Set MASTER SWITCH to OFF (see your -10). 2. Open front cover on ATCCS UPS storage box and remove cable W42 plug P1 (1) from UPS jack DC IN. 3. Measure resistance between pins of plugs P2 (2) and P1 (1) of cable W42 as follows: P2 pin A to P1 pin A, E, and F P2 pin B to P1 pin B, C, and D 4. Does multimeter read 0 ohms for each measurement? 4YN 1. Replace cable W42 (WP 0753 00). 2. Verify no faults found. 5Y 1. Faulty ATCCS UPS power. Beyond unit maintenance repair. 2. Notify supervisor. 0080 00-6