TM 10-3930-669-34 12-4. STEERING CYLINDER REPAIR (CONT). WARNING Oil  will  spray  from  cylinder  barrel  ports  when  rod  is  moved  in  or  out.    Cover  ports  with  two cleaning cloths to prevent oil from spraying.  Failure to comply may result in injury to personnel. CAUTION Do   not   allow   threaded   or   machined   surfaces   to   come   in   contact   with   other   metal   surfaces. Clearances  between  cylinder  barrel  components  are  very  small,  any  minor  damage  done  during disassembly could require component replacement or make assembly difficult. NOTE • The cylinder barrel has right-hand and left-hand glands. • Tag  and  mark  the  glands,  cylinder  barrel,  and  cylinder  rod  for  installation  in  the  same position at assembly. (2) Position   drain   pan   under   cylinder   barrel (2). (3) Remove    four    nuts    (3)    from    four    thru- fasteners (4) on right-gland (5). 12-10