TM5-3810-305-10APPENDIX BLubrication InstructionsOil levels are to be checked with the LRT 110Crane parked on a level surface in transport posi-tion. Check while the oil is cold, unless other-wise specified.On plug-type check points, the oil levels are tobe at the bottom edge of the check port. Over-lubrication of nonsealed fittings will not harm thefittings or components. Under-lubrication willlead to a shorter lifetime.On sealed U-joints, care must be exercised toprevent rupturing seals, Fill only until expansionof the seals becomes visible.Items not equipped with grease fittings, such aslinkages, pins, and levers, should be lubricatedwith lubricating oil MIL-L-2104 once a week.Oil, applied sparingly, will provide the necessarylubrication and help prevent the formation ofrust. Grease fittings that are worn and will nothold the grease gun, or those that have a stuckcheck ball, must be replaced. Where slide padsare used, cycle the boom and relubricate to insurecomplete lubrication of the entire wear area.All lubrication and check time intervals are basedon hours of operation under average workingconditions:llllDaily or 8 hours, whichever comes first.Weekly or 40 hours, whichever comes first.Two weeks or 80 to 100 hours, whichevercomes first.Three months or 250 hours, whichever comesfirst.l Four months or 500 hours, whichever comesfirst.l Six months or 1,000 hours, whichever comesfirst.l Yearly or 1,500 to 2,000 hours, whichevercomes first.Time Intervals - Unusual ConditionsThe LRT 110 Crane will require extra serviceand care when operated under unusual condi-tions. High or low temperatures, long periods ofhard use and continued use in sand, water, mudor snow will break down the lubricants. Add orchange lubricants more often under these condi-tions. However, during long periods when thecrane is not in use, the service intervals can belengthened.Turntable Gear and Pinion Gear TeethNever apply grease to turntablegear while the upperstructure isin motion. Failure to follow thisprocedure could cause DEATHor serious injury.Gear teeth must be lubricated with a saturatedbrush or swab. Grease a segment; stand clear,swing the upperstructure 10 degrees and greaseanother segment. Repeat until entire ring gear iscoated.B-1
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