TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-34-1 75 Place holddown strip (172) for intake grille tarpaulin (173) on grille to serve as template for screw holes. Mark and remove strip. Drill and tap six 5/1 6-24 UNF-28 holes. 76 Locate 10 footman’s loop-type fasteners (1 74) and weld into place (TM 9-237). 77 Install intake grille tarpaulin (173) with straps (175) and webbing down. Install six 5/16-24 by 3/4-in. screws (176) and flat washer (177) in holddown strip (172). 78 Secure intake grille tarpaulin (173) by installing straps (175) to 10 loop-type fasteners (174). 10-21