TM 5-3895-373-34C.INSTALL - Continued.Hydraulic fitting sealant can causeeye damage or skin irritation. Washafter skin contact. Wear safetygoggles/glasses when using. Avoidcontact with eyes or skin. If sealantcontacts eyes, flush eyes with waterand get immediate medical attention.c.Apply hydraulic fitting sealant to male threadsof 37° flare fittings. To protect againsthydraulic system clogging, do not applysealant to first thread turn of fittings.When tightening a tube or hosecoupling nut (6), secure mating fittingwith backup wrench (5). Failure tosecure mating fitting can stressconnecting components and mayresult in failure of tube andaccessories.d.Install and tighten coupling nut (6) on 37° flarefitting. Using backup wrench, tighten couplingnut until firmly seated. Check 37° flare fittingsfor leakage during system startup. At thattime, leaking 37° flare fittings can be tightenedas needed to stop leakage.NOTELarge diameter hydraulic hoses takea set during initial hours of operation.When installing a replacement hose,it must be manually shaped toduplicate curvature and orientation ofthe hose it replaces.e.When replacing a 1-1/2 in. (38 mm) diameterhose, install and finger tighten one end of hosefirst. With help of another person, use pipewrenches to rotate and bend hose toapproximate curvature of used hose andconnect remaining loose end of hose to fitting.GO TO NEXT PAGE2-729
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