TM  10-3930-643-34 HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND  MAINTENANCE. 12-10. Boom Assembly. (Sheet 3 of 11) REMOVAL WEIGHT  HAZARD Weight of boom assembly is approximately  2100  lbs. Use adequate  hoist and sling for removal  and  installation. Keep area clear of unnecessary personnel. Failure to follow this procedure could result in SEVERE 11. 12. 13. 14. INJURY. Attach hoist and sling to rod (21) at front of vehicle. Using a 1-1/8” socket and socket wrench  handle,  remove bolt (13), washer (14) and pin (15). Using a rubber mallet, remove washers (16 and 17) and items 18 thru 21 as an assembly. Rod weights approxi- mately 103 lbs. Washers (16 and 17) are used as shims: their quantity is variable. Remove hoist and sling. Go to sheet 4 12-77

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