TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9-2350-311-10 Change 4 5-51 5-5 FUZES — CONTINUED d. Fuze Assembly — Continued WARNING When screwing the projectile spotting charge onto the rear of the M577 series fuze, ensure that the shoulder of the projectile spotting charge is seated squarely against the shoulder of the fuze. An improperly seated charge could cause a malfunction causing possible bodily injury. CAUTION When assembling the projectile spotting charge to a fuze, be careful not to damage threads. If binding occurs, consider the charge unserviceable and report it for disposition. If binding has occurred, reinspect the fuze to ensure it is still serviceable. 2 Special preparation for the M577 series fuze includes inspecting the fuze setting. The fuze will be considered unserviceable if the fuze setting is not between • 93.5 and • 95.5, the fuze shows signs of damage, or the window is blackened or sooty inside. 5-6 FUZE SETTING The following procedures apply to all authorized fuzes. Fuze–setting tools and procedures are listed in Table 5-2. Table 5-3. Fuze, Fuze–Setting Tools, and Procedures Fuze PD MT MTSQ PROX ET MOFA MK399 M557 M572 M739 SERIES M565 M564 M501 SERIES M577 SERIES/ M582 SERIES M732 SERIES M728 M514 SERIES M762 SERIES M767 SERIES SETTER PROCEDURE # / PARAGRAPH X X X Fuze– setter, wrench, M18 1/0-4a. X M27 2/0-4b. X M27 3/0-4c. X X M34 4/0-4d. X M35 5/0-4e. X X None 6/0-4f.