TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311-20-1 GO 1 VTM CONNECTIONS AND CHECKOUT CONTINUED 1 2 CONNECT BATTERY TO VTM: . - PULL OFF VTM power switch. . Connect PI of power cable W5 to J1 on VTM. - Connect red clip El of cable W5 to positive terminal of M109A2/A3/A4/A5 battery. - Connect black clip E2 of cable W5 to negative terminal of M109A2/A3/A4/A5 battery. Make sure all connections are correct and secure. POWER UP. . - PUSH ON VTM power switch. - Verify that display indicates .8.8.8.8 for approximately 2 seconds and then changes to ----- Does the VTM display .8.8.8.8 and then change to --- -? NOTE Aline white mark on connector P1 with large slot in keyway of J1. Twist locking ring until it clicks. If only a portion of .8.8.8.8 or ---- is displayed, a display module may be burned out. Refer to TM 9-4910-571-12&P for module replacement. - Set power switch to PULL OFF. - Check W5 for proper connections. Red clip El on positive terminal, black clip E2 on negative terminal. - Check and clean all battery connections and interconnecting cables. - PUSH ON VTM power switch. 1 Does VTM display .8.8.8.8 and then change to- -- -? Go to step 4, Go to step 3, Figure 2, sheet 4. Figure 2, sheet 3. Figure 2, Sheet 2 of 20 I-8 NOTE