TM 9-2330-390-14&P2-16. DETACHING FRONT AND REAR DOLLIES FROM SHELTER (SHELTER ONGROUND) (SIDE LIFT OPERATION) (Con’t).e. At front and rear, pull down on two lift cylinder levers (4) to raise top beam (2) until crossbraceassemblies (3) are slightly above shelter (1).f.Deflate all air bags (see paragraph 2-8).Use extreme caution when climbing and working on top of shelter during side liftoperations. Ensure that top of shelter is free of ice or debris which could cause slipsand falls. When working with twist locks from on top of shelter, maintain athree-point contact with shelter as much as possible. When on top of shelter, alwaysbe aware of where other personnel and tools are located to prevent accidentalbumps and trips. Failure to follow this warning may cause serious injury topersonnel.Use extreme caution when removing twist locks. Keep hands and /or feet clear oftop hooks, top beams, and from between beams. Failure to follow this warning maycause serious Injury to personnel.Use extreme caution when loosening and removing twist locks. Loosened twistlocks must be removed or they may fall, causing serious injury to personnel.NOTEIf there is difficulty loosening twist lock nut, or twist locks do not come out, it may benecessary to operate hydraulic control valve to slightly retract or extend each liftcylinder (see paragraph 2-21).2-112
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