TM-9-2320-365-10 LMTV Operator Manual M1078 Series Download
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TM 9-2320-365-10  b. Spare Tire Stowage (Vehicles  Equipped With Machine Gun Ring).  NOTE  LMHC extension kit is  installed in left front crane  pocket.  (1) Remove pin (1) and plug (2) from  crane pocket (3).  (2) Install crane extension (4) in crane  pocket (3) with plug (2) and quick  release pin (1).  WARNING  Mast weighs approximately  100 lbs (45 kgs). The aid of  an assistant is required to  install mast on crane  extension. Failure to  comply may result in injury  to personnel or damage to  equipment.  (3) Install mast (5) in crane extension (4)  with quick release pin (6).  Change 1 3-110.1